Relevant bibliographies by topics / Design Led Research

Academic literature on the topic 'Design Led Research'

Author: Grafiati
Published: 10 December 2022
Last updated: 29 January 2023

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Journal articles on the topic "Design Led Research"

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Li, Fei Xiang. "LED Lighting Driver IC Design and Encapsulation Material Research." Applied Mechanics and Materials 539 (July 2014): 559–62. http://dx.doi.org/10.4028/www.scientific.net/amm.539.559.

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Semi-conductor lighting solution LED is developing quickly and now using wider and wider, and will absolutely replace classical lighting solution because of its high efficiency and reliability,long lifetime and low pollution. The development of white LED lighting solution lead to quickly development of the integrated circuits of driving LED,which creates enormous business opportunities. The thesis first describes I-V characteristics and luminous flux curve of LED and its driving circuit briefly. Then display the working theory of buck converter of LED driver. The thesis brings up a buck-mode LED driver which based on switching power supply technology, supplying higher efficiency compared with other driving mode.
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Li, Xiang Rong, Hai Peng Wang, and Guo Shuai Li. "Design and Research of LED Intelligent Lighting System." Applied Mechanics and Materials 610 (August 2014): 519–22. http://dx.doi.org/10.4028/www.scientific.net/amm.610.519.

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In order to intelligentize the LED lighting systems,this system adopts the Freescale series MC9S08AC16 as the controller, senses the light environment induced by the photoresistor and uses the SS-101 pyroelectric infrared sensors to sense the presence of people. In addition, it uses LM3404 chip to drive LED headlamp unit and by changing the duty cycle of PWM to achieve the switches and automatic adjustment of brightness of LED lights. Experiments show that the light source brightness provided by this system is stable and reliable and the combination of infrared sensing technology and PWM technology achieves the intelligence of LED lights. Moreover, it has high application value.
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Yinhui, Liu, Luo Wei, and Zhao Hang. "Research and design of LED indoor positioning system." E3S Web of Conferences 165 (2020): 04049. http://dx.doi.org/10.1051/e3sconf/202016504049.

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According to indoor positioning requirements, the light intensity sensing circuit is designed with LED as the light source. The function relationship between light intensity and distance is obtained by fitting the experimental data. The distance from the light source to the node to be located is calculated. The coordinate position of the node to be measured on the two-dimensional plane is obtained through the trilateral measurement and positioning algorithm. The experimental results of this system show that the absolute position error is less than 10cm, which can meet the needs of a large number of indoor positioning applications.
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Crowther, P. "Exploring the Principles of Design for Disassembly through Design-led Research." IOP Conference Series: Earth and Environmental Science 1101, no. 6 (November 1, 2022): 062031. http://dx.doi.org/10.1088/1755-1315/1101/6/062031.

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Abstract The construction industry is responsible for a significant portion of the solid waste that industrialised nations dispose of each year. One reason for this is the low rates of reuse and recycling, largely due to the difficulties in deconstructing buildings and an inability to easily separate materials and components. If buildings were designed to facilitate deconstruction and the easier separation of the parts, then future material and component recovery would be easier. Previous research into historic examples of deconstruction has identified numerous principles for design for disassembly. This paper presents research that expands on this understanding of design for disassembly though the application of these principles in architectural design projects. A methodology of ‘research through designing’ is implemented to explore the principles and assess their suitability for integration into mainstream construction practice. Several domestic scaled architectural projects were used to trial the principles and the overarching philosophy. This experimentation and research through creative practice, has confirmed the value of the principles of design for disassembly as strategies for the potential reduction of future demolition waste. Further to this, it has made explicit some of the otherwise unrealised consequences or constraints of designing for future disassembly.
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CHE Zhen, 车振, 张军 ZHANG Jun, 余新宇 YU Xin-yu, and 陈哲 CHEN Zhe. "Optical Design and Research on Phosphors for White LED." Chinese Journal of Luminescence 36, no. 10 (2015): 1220–26. http://dx.doi.org/10.3788/fgxb20153610.1220.

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Pang, Bin, Wenjin Fan, and Xiaodong Xie. "P‐8.5: Research on LED Pad Design in Glass‐based Mini LED Backlight." SID Symposium Digest of Technical Papers 53, S1 (October 2022): 884–87. http://dx.doi.org/10.1002/sdtp.16129.

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Cain, Helen, Richard Strugnell, and Frederic Hollande. "Curriculum design for research-led teaching: Molecule to Malady." Microbiology Australia 37, no. 2 (2016): 65. http://dx.doi.org/10.1071/ma16022.

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Modern medicine is increasingly characterised by a personalised approach to treatment through producing therapies that target specific biological processes. When planning the new Bachelor of Biomedicine (BBiomed) degree, one of two completely new undergraduate courses crafted as part of the ‘Melbourne Curriculum’ introduced by The University of Melbourne in 2008, the paradigm that medical interventions should be evidence-based and driven by a molecular understanding of the cause of disease was a key design parameter. Our intention in developing the curriculum for Biomedicine: Molecule to Malady (M2M), a third-year compulsory capstone subject of this new BBiomed degree, was to enhance the ability of students to apply their core cross-disciplinary knowledge to unfamiliar problems in translational medicine by having expert clinicians/researchers explain the scientific reasoning applied to the development of disease interventions in their specialist areas.
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Liu, Peisheng, Chenhui She, Lipeng Tan, Pengpeng Xu, and Lei Yan. "Development of LED Package Heat Dissipation Research." Micromachines 13, no. 2 (January 30, 2022): 229. http://dx.doi.org/10.3390/mi13020229.

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LEDs are widely used in medicine, navigation and landscape lighting. The development of high-power LED is a severe challenge to LED heat dissipation. In this review, packaging technology and packaging structure are reviewed in terms of the thermal performance of LED packaging, and related technologies that promote heat dissipation in LED packaging are introduced. The design of three components to enhance heat dissipation in LED packaging is described: substrate, lens and phosphor layer. By conducting a summary of the technology and structure of the package, the defects of LED package technology and structure are deeply investigated, and the package is prospected. This has reference value for the heat dissipation design of the LED package and helps to improve the design and manufacture of the LED package.
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Till, Jeremy, Judith Mottram, and Chris Rust. "Adapting research activity AHRC review of practice-led research." Architectural Research Quarterly 9, no. 2 (June 2005): 103–4. http://dx.doi.org/10.1017/s135913550500014x.

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In 2005 the Arts and Humanities Research Council initiated a review of practice-led research in art, design and architecture. The purpose of the review was to develop a ‘comprehensive map of recent and current research activity in the area’. What quickly became obvious to the team that won the bid to run the review (led by the three authors) was that to map activity one first had to attempt to define it. The term ‘practice-led research’ means many different things to different people and so immediately raises debate. The positions range from those who believe that the act of making or designing alone constitutes research, to those who believe that research (as analytical activity) is incommensurable with design (as synthetic activity). For the former, the knowledge contained within the artefact is self-evident and beyond the need for additional explication; for the latter, knowledge resides outside the artefact and in the realm of its dissemination and interpretation. The importance of the AHRC review is not that it will settle these arguments, but that it will provide a much firmer context in which to place them.
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Liang, Guo Chao, and Cai Feng Cao. "Research and Implementation of LED Optical Design Focused Web Crawler." Applied Mechanics and Materials 543-547 (March 2014): 2941–44. http://dx.doi.org/10.4028/www.scientific.net/amm.543-547.2941.

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The LED optical design focused web crawler is proposed based on Shark-Search and topical dictionary. Then the crawling strategy is implemented by extending the web crawler Heritrix. The experimental results show that the design scheme (Topic-First) and its web crawler LED-Crawler can effectively capture the LED optical design relevant web pages. And compared to general search engines, LED-Crawler can improve the accuracy.
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Dissertations / Theses on the topic "Design Led Research"

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Haslem, Neal Ragnar, and neal@nealhaslem net. "The practice and the community: a proposition for the possible contribution of communication design to public space." RMIT University. Applied Communication, 2007. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20080212.165002.

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The practice of communication design has developed from a visual-communication service industry into a multi-facetted profession, directly involved with the maintenance and creation of social and cultural capital. The ancestry of communication design has led to its continued perception as a neutral tool for the achievement of communication. This research project aims to investigate the possible contributions of communication design as a practice, if it were to re-align its goals towards supporting and facilitating the community within which it is practiced. This research project is about the communication designer and the communities within which they practice: clients; target markets; companies; managers; neighbourhood groups; groups in a particular place and time; communities of practitioners; and emergent or yet to emerge communities. The project investigates designer agency and the ways for a communication designer to work holistically within communities: being or becoming part of them; working through and with them toward the achievement of communication goals. As much as it is about communicating, it is also about community. It is about designers working as conduits, facilitating and enabling the communities of their practice to find expression. It is about a democratisation of communication design authorship and power. It is about the design process as an educational process - all parts and participants within a design projects' community learning and teaching simultaneously. The research project encompasses a series of component projects, across a range of different media, using a practice-led-research framework and a reflective practitioner methodology as the key investigative tool.
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Nusem, Erez. "A design-led approach to innovation in aged care." Thesis, Queensland University of Technology, 2016. https://eprints.qut.edu.au/96318/23/Erez_Nusem_Thesis.pdf.

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This research explores the journey of a non-profit organisation seeking to respond to prominent change drivers in aged care through the strategic integration of design. A longitudinal action research project investigated the business models of aged care providers, the viability and capacity of existing aged care business models, and the ways aged care organisations could utilise design to drive innovation and address emerging challenges in practice. The thesis identified a new aged care business model typology, a framework and methods for integrating design in practice, offering new knowledge and approaches for leveraging design to realise social and economic outcomes.
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Freixieiro, Gomes de Mello Rafael. "Design-led future forecasting model for mobile communications." Thesis, Brunel University, 2016. http://bura.brunel.ac.uk/handle/2438/13142.

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Since the establishment of the wireless sector, design has been playing a wide range of roles. Specialized literature has been extensively reporting the use of this discipline associated with NPD, focusing on hardware and software development in the mobile communications. On the other hand, evidences of its use to support forecasting are scarce and generic. Finally, formal publications addressing future forecasting from a design perspective in the context of mobile communications have never been reported, leading to a knowledge gap that needs to be addressed. This research investigates the strategic roles, applications and contributions of design and designers for future forecasting in the wireless telecom sector. As a comprehensive discipline, it is used to examine and identify a number of factors that might influence/impact in the development of visionary solutions supporting the design team of traditional handset manufacturers to make better decisions in order to ‘shape’ the future in the wireless industry. Considering these ideas, the aim of this research is to create a ‘design-led future forecasting model for mobile communications’ to assist and support traditional manufacturers’ design team. This PhD study relies on a qualitative methodology comprising a number of data collection and analysis tools (e.g. literature review, case studies analysis, in-depth experts’ interviews, workshops and Grounded Theory). To create the intended framework, extensive secondary and primary data; theoretical and practical inputs were brought together, analysed and combined. The proposed model was evaluated through two rounds of experts’ interviews complemented by two workshops with potential users (e.g. design students) to check and explore its practicalities when applied to design for the future. Finally, this study bridges future forecasting and the wireless telecom through the use of design to address the literature gap. The richness of the developed model provides practical assistance to traditional manufacturer’s design team informing about a broad spectrum of aspects that should be considered when designing for the future in the mobile telecom industry, supporting strategic decision making in different stages of the future-led design process.
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Vones, Katharina Bianca. "Towards the uncanny object : creating interactive craft with smart materials." Thesis, University of Dundee, 2017. https://discovery.dundee.ac.uk/en/studentTheses/2d9a7303-4fd7-4110-ae83-6438904108a5.

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The increasing prevalence of digital fabrication technologies and the emergence of a novel materiality in contemporary craft practice have created the need to redefine the critical context of digital jewellery and wearable futures. Previous research in this area, such as that presented by Sarah Kettley (2007a) and Jayne Wallace (2007), has provided the foundations for further enquiry but has not been advanced significantly since its inception. The artistic research presented in this thesis focuses on how smart materials and microelectronic components could be used to create synergetic digital jewellery objects and wearable futures that reflect changes in the body of their wearer and their environment through dynamic responses. Laying the foundations for a theory of Interactive Craft through evaluating different aspects of creative practice that relate to responsive objects with a close relationship to the human body is at the centre of this enquiry. Through identifying four distinct categories of wearable object, the Taxonomy of the Wearable Object is formulated and clearly delineates the current existing conceptual, technological and material perspectives that govern the relationships between different types of wearable objects. A particular focus is placed on exploring the concept of Digital Enchantment and how it could be utilised to progress towards developing the Uncanny Object that appears to possess biological characteristics and apparent agency, yet is a fully artificial construct. The potential for the practical application of a design methodology guided by playful engagement with novel materials, microelectronics and digital fabrication technologies is analysed, taking into account Ingold’s concept of the textility of making (Ingold, 2011). Through exploring the notion of the Polymorphic Practitioner in the context of Alchemical Practice, a model for experiential knowledge generation through engaging in cross-disciplinary collaboration is developed. This is supported by a qualitative survey of European materials libraries, including accounts of site visits that evaluate the usefulness of materials libraries for creative practitioners invested in novel materiality as well as visually documenting a selection of the visited libraries’ most intriguing material holdings. Utilising a scientific testing protocol, a practical body of work that centres on conducting extensive experiments with smart materials is developed, with a particular focus on testing the compatibility and colour outcomes of chromic pigments in silicone. The resulting chromic silicone samples are collated, together with sourced smart materials, in a customised materials library. Investigational prototypes and the Microjewels collection of digital jewellery and wearable futures that responds to external and bodily stimuli whilst engaging the wearer through playful interaction are presented as another outcome of this body of research.
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Hudson, Roland. "Strategies for parametric design in architecture : an application of practice led research." Thesis, University of Bath, 2010. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.524059.

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A new specialist design role is emerging in the construction industry. The primary task related to this role is focused on the control, development and sharing of geometric information with members of the design team in order to develop a design solution. Individuals engaged in this role can be described as a parametric designers. Parametric design involves the exploration of multiple solutions to architectural design problems using parametric models. In the past these models have been defined by computer programs, nowcommercially available parametric software provides a simpler means of creating these models. It is anticipated that the emergence of parametric designers will spread and a deeper understanding of the role is required. This thesis is aimed at establishing a detailed understanding of the tasks related to this new specialism and to develop a set of considerations that should be made when undertaking these tasks. The position of the parametric designer in architectural practice presents new opportunities in the design process this thesis also aims to capture these. Developments in this field of design are driven by practice. It is proposed that a generalised understanding of applied parametric design is primarily developed through the study of practical experience. Two bodies of work inform this study. First, a detailed analytical review of published work that focuses on the application of parametric technology and originatesfrompractice. This material concentrates on the documentation of case studies from a limited number of practices. Second, a series of case studies involving the author as participant and observer in the context of contemporary practice. This primary research of applied use of parametric tools is documented in detail and generalised findings are extracted. Analysis of the literature from practice and generalisations based on case studies is contrasted with a review of relevant design theory. Based on this, a series of strategies for the parametric designer are identified and discussed.
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Akama, Yoko, and yoko akama@rmit edu au. "The Tao of Communication Design Practice: manifesting implicit values through human-centred design." RMIT University. Applied Communication, 2008. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20080730.143340.

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This research explores how human values and concerns are manifested and negotiated through the process of design. In undertaking this study, a variety of design interventions were explored to facilitate how values can be articulated and discussed amongst project stakeholders during the design process. These design interventions will be referred to as projects within the exegesis. In this exegesis, I will argue for the importance of a dialogic process among project stakeholders in the creation of a human-centred design practice in communication design. This exegesis explains the central argument of the research and how the research questions were investigated. It presents a journey of the discoveries, learnings and knowledge gained through an inquiry of the research questions. The total submission for this research consists of the exegesis, exhibition and oral presentation. Through each mode of delivery I will share and illuminate how the research questions were investigated.
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Price, Rebecca A. "Implementing design-led innovation in an Australian airport corporation." Thesis, Queensland University of Technology, 2016. https://eprints.qut.edu.au/97994/1/Rebecca_Price_Thesis.pdf.

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This thesis explores the introduction and application of DLI to bring about desired changes in operations, improved business outcomes and to build innovation capabilities in the organisational context of an Australian Airport Corporation (AAC). The study employed qualitative action research methods to explore DLI through action, with the researcher acting as an 'Innovation Catalyst' for the duration of 18 months. Several novel contributions to knowledge are made from this thesis. First, the DLI implementation framework was developed, building upon experiential learning theory, to aid organisations to implement DLI in a way that complements existing organisational processes. Second, three narrative typologies were developed as distinct design tools specifically deployed during DLI. Third, an evidence-based definition of DLI, linking the unique nature of the design-led approach to expected outcomes, was developed.
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Birnie, Steven James. "Local and global explorations through design research." Thesis, University of Dundee, 2014. https://discovery.dundee.ac.uk/en/studentTheses/1788c181-878d-4f5b-9de7-2ad099a68e52.

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This doctoral thesis is a practice-led and corporate-grounded enquiry into the role of design research methods in a global technology company. The work aims to understand and communicate through a series of case studies how locally conducted participatory action research can be integrated into the processes of an in-house design team at the global NCR Corporation. It questions the current approaches taken in the design and development of consumer transaction technologies in the context of a global organisation and new markets. The thesis starts by introducing the reader to the global corporation in which the study is focused and author employed, the NCR Corporation. The contextual grounding of the corporate environment, its heritage, history and continued evolution will illustrate the dynamic yet traditional role design has played within the corporation. As a senior member of the Consumer Experience Design (Cx Design) team in the corporation the author is well placed to evaluate the role of design and how it can evolve. The immediate contextualisation is then followed by a broad examination of the literature in the field of design in a corporate culture, research methods and socially-led innovation. This will define the boundaries of interest and influence in the thesis. A participatory action research approach was taken to address the research questions. Informed by a series of hyperlocal and global community engagements framed and directed from within the corporate culture, the author defines an understanding of the levels of community engagement through design research. The resulting outputs are then applied within the context of the NCR Corporation where the impact and influence on such engagements can be understood. The author concludes that his contribution to new knowledge, the development of a Participatory Action Based Strategic Design Process, can be applied within a global technology company. The process adapts McNiff’s and Whitehead’s (2011) seven phases of action research reporting and Ravi Chhatpar’s strategic decision-making process. The thesis demonstrates the value and influence of design research methods in the design of consumer transaction technologies. The thesis provides an understanding of how design research methods have been applied in a corporate environment, how the insights are applied, and demonstrates how the research has influenced the author’s practice and therefore the wider Cx Design group.
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Finn, Angela Lee. "Designing fashion : an exploration of practitioner research within the university environment." Thesis, Queensland University of Technology, 2014. https://eprints.qut.edu.au/77850/1/Angela_Finn_Thesis.pdf.

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This thesis positions practitioner research within the emerging discipline of fashion and disputes that practitioner knowledge of fashion is predominantly tacit. This research contributes to the understanding of practitioner knowledge and proposes an object based model of practitioner research as an alternative to existing practice-led methodologies. The thesis theorises fashion objects as a site of significant knowledge and argues their potential to record and communicate fashion knowledge and disseminate practice-led research.
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Bletcher, Joanna. "Prototyping the exhibition : a practice-led investigation into the framing and communication of design as a process of innovation." Thesis, University of Dundee, 2016. https://discovery.dundee.ac.uk/en/studentTheses/e45c61a7-201a-4691-81c5-fb4a12ce4fd9.

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A challenge ignited the research outlined in this thesis. Design is increasingly being framed (across academia and industry) as an integral method and strategy for social, cultural and economic innovation. How is this value to be communicated within the museum context, which is more commonly rooted in an object-centric tradition? Temporary exhibitions are a primary means of communication and engagement for museums. The presentation of contemporary design has followed traditions of display stemming from fine art practices, as well being influenced by those in commercial environments. Consequently the thesis argues that there is a prevailing tendency to display the outcomes of design activity, to celebrate aesthetics and functionality, and to concentrate on the personality and talent of the designer. A key concern underpinning this research is that many museum design exhibitions arguably struggle to reveal the complexity of design activity: the intellectual and material processes driving innovation. This arguably risks limiting broader interpretation, and stifles the opportunity to extend audience understanding of design. The aim of this thesis is to question and explore key concepts that constitute the communication and exhibition of design in the museum. Design, innovation, curating, exhibition, audience: in the dynamic, transitioning contexts of design and the museum, all concepts must be scrutinized. In order to navigate this territory, a core method of design inquiry is adopted: prototyping. In this research, prototyping actively puts concepts to work through a dialectical investigation. This involves actively engaging in design to examine the concepts of curatorial practice, the exhibition, and innovation, whilst concurrently exploring concepts of design and innovation through the process of curating exhibitions. This dual-focussed research approach that has been developed, can be described as a hermeneutic, practice-led methodology. Hermeneutics supports a belief in contextually situated, practical action as a basis for developing understanding and knowledge (Bolt, 2011; Heidegger, 1962). The method of exhibition-making is framed and employed as a practical prototyping process: curating exhibitions in order to reflect on the construction of design narratives from within. Prototyping becomes a way to reflexively explore, analyse and question the practice of framing, mediating and communicating design as innovation. Three iterative practical projects act as case studies for the thesis, situated in three concrete contexts: the industry sponsor – V&A Museum of Design Dundee; design in Higher Education; and a national innovation festival. Each can be seen as the exploration and delineation of a design space (Heape, 2007), with all three forming part of the wider design space that is the thesis as a whole. Through reflecting on the acts of evaluating, selecting, editing, juxtaposing, connecting, framing and presenting design practice through exhibition, the research has formulated a curatorial strategy that aims at attending to the complex nature, changing priorities and values of particular design contexts. The thesis names this approach ‘the constellation’: adapting this term from the work of critical theorist Theodor Adorno (1973). The constellation takes the form of a series of visualisations that draw on, combine and develop research on design theory, design processes, and prototyping, by a number of key design researchers (e.g. Buchanan, 1998, 1995a; Dorst, 2015a, 2008; Heape, 2007; Lim et al., 2008; Sanders and Stappers, 2014, 2008). Operating at two levels, the constellation is the manifestation of the reflexive research process, illuminating both design and curatorial practice. It makes an original contribution to knowledge in two ways: firstly as the visual delineation of a prototype curatorial strategy for researching, framing and communicating narratives of design; secondly it offers a conceptualisation of concept development in design practice, shown as the continuous exploration of a design space. This articulates how prototyping, as a key design method, can encourage innovation through the exploration and analysis of concepts at varying levels of detail, with the aim of developing new perspectives. This thesis also makes an original contribution on a methodological level by extending the practice and discourse of prototyping to the method of exhibition, framing it as a strategy for innovation in design research. This adds to current discourse surrounding practice-led research within art and design. It also contributes to nascent discourse in relation to curatorial practice for design, and the growing interest in the specificities of design curation, in the context of the museum.
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Books on the topic "Design Led Research"

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Office, General Accounting. Space Station: Inadequate planning and design led to propulsion module project failure : report to congressional requesters. Washington, D.C. (P.O. Box 37050 Washington 20013): U.S. General Accounting Office, 2001.

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Designs and methods for youth-led research. Thousand Oaks: SAGE Publications, 2006.

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Günther, Hans-Peter, ed. Use and Application of High-Performance Steels for Steel Structures. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2005. http://dx.doi.org/10.2749/sed008.

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<p>New steel production processes have led to a remarkable improve­ment in steel products within the last few years, and now allows steels to be produced according to the desired mechanical and chemical properties. High-Performance Steel (HPS) is the designa­tion given to this new generation of steels that offer higher performance not only in terms of strength but also toughness, weld­ability, cold formability and corrosion resistance, compared to the traditionally used mild steel grades.</p> <p>The development of HPS goes with today's increased demand for slender lightweight structures, as for example in bridge design and the design of high-rise buildings, where there is a strong require­ment to use high-strength materials in combination with good execution and fabrication properties. However, on the structural engineering side there is a need for knowledge on these new steel grades, and quite often design codes do not provide sufficient information to fully exploit the advantageous properties of HPS.</p> <p>The present volume provides an overview of the development and application of HPS on an international level. This is done by giving information on, for example, the production process, the chemical and mechanical properties, the relevant design and fabrication standards and on recent research results. Approximately fifteen included examples of realised applications aim to provide detailed information based on existing technical solutions, and to point out the major benefits when using HPS in comparison to mild steels.</p> <p>The document is thus not a monograph but an assembly of contri­butions from different countries. lt is separated into chapters related to different countries, namely the USA, Canada, Japan and Europe, all of them providing a state-of-the-art report on HPS.</p>
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Keisuke, Arai, ed. Design team revolution: How to cut lead times in half and double your productivity. Portland, Or: Productivity Press, 1994.

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Anderson, John E., Christian Bucher, Bruno Briseghella, Xin Ruan, and Tobia Zordan, eds. Sustainable Structural Engineering. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2015. http://dx.doi.org/10.2749/sed014.

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<p>Sustainability is the defining challenge for engineers in the twenty-first century. In addition to safe, economic, and effi-cient structures, a new criterion, sustainable, must be met. Furthermore, this new design paradigm–addressing social, economic, and environmental aspects–requires prompt action. In particular, mitigation of climate change requires sustainable solutions for new as well as existing structures. Taking from both practice and research, this book provides engineers with applicable, timely, and innovative information on the state-of-the-art in sustainable structural design. <p>This Structural Engineering Document addresses safety and regulations, integration concepts, and a sustainable approach to structural design. Life-cycle assessment is presented as a critical tool to quantify design options, and the importance of existing structures–in particular cultural heritage structures–is critically reviewed. Consideration is also given to bridge design and maintenance, structural reassessment, and disaster risk reduction. Finally, the importance of environmentally friendly concrete is examined. Consequently, structural engineers are shown to have the technical proficiency, as well as ethical imperative, to lead in designing a sustainable future.
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Office, General Accounting. Best practices: Better matching of needs and resources will lead to better weapon system outcomes. Washington, D.C: The Office, 2001.

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Office, General Accounting. Best practices: Better matching of needs and resources will lead to better weapon system outcomes. Washington, D.C: The Office, 2001.

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Bartoli, Gianni, Francesco Ricciardelli, Anna Saetta, and Vincenzo Sepe, eds. Performance of Wind Exposed Structures. Florence: Firenze University Press, 2006. http://dx.doi.org/10.36253/978-88-6453-156-4.

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PERBACCO (a free Italian acronym for Life-cycle Performance, Innovation and Design Criteria for Structures and Infrastructures Facing Æolian and Other Natural Hazards) is a research project partly funded by the Italian Ministry for University (MIUR) in the PRIN (Progetti di Ricerca di Interesse Nazionale) framework, for the years 2004-05.Within the project, a first attempt has been made to integrate different disciplines aiming at an overall optimization of the performance of a wide range of wind exposed structures and infrastructures, with consequent benefi cial impact on the society.The overall objectives were (a) to provide unifi ed concepts for "expected performance" and "risks induced by æolian and other natural hazards", to be applied to structures and infrastructures over their whole life-cycle, such to be acceptable to stakeholders in the construction process (i.e. from the owner to the end-user), (b) to provide models and methodologies for dynamic monitoring of the performance of structures and infrastructures, to be integrated in appropriately designed procedures, and (c) to collect, refi ne, fi le and disseminate the knowledge available on a European basis, concerning the performance of wind-exposed structures and facilities, in a way such to be of use to Construction Industry. This volume summarises the main results obtained during the Project, with each Section addressing a different class of problems, to which many research Units have contributed. A list of papers containing the main results of the research activities carried out within the Project is also provided in each Section.
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Mitchell, Richard G. Secrecy and fieldwork. Newbury Park: Sage, 1993.

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Office, General Accounting. Best practices: Better matching of needs and resources will lead to better weapon system outcomes : report to the Chairman and Ranking Member, Subcommittee on Readiness and Management Support, Committee on Armed Services, U.S. Senate. Washington, D.C. (P.O. Box 37050, Washington 20013): U.S. General Accounting Office, 2001.

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Book chapters on the topic "Design Led Research"

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Weinel, Jonathan, and Stuart Cunningham. "Practice-led and Interdisciplinary Research." In Doing Research in Sound Design, 151–68. London: Focal Press, 2021. http://dx.doi.org/10.4324/9780429356360-10.

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Rossi, Maurizio. "Case Study: An Applied Research for Circadian Lighting Design." In Circadian Lighting Design in the LED Era, 209–56. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-11087-1_6.

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Echevrri, Daniel. "Dear Design Journal: A Visual Journey and a Reflective Account of a Practice-Led Doctoral Research." In [ ] With Design: Reinventing Design Modes, 1975–89. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-4472-7_129.

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Zhang, Qiaofen, Huaizhong Li, Liming Wu, Jian Gao, Guitang Wang, and Yaohua Deng. "Research on Lens Design for LED Source of Microscopic Measuring System." In Sustainable Design and Manufacturing 2018, 11–20. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-04290-5_2.

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Hicks, Ben. "Patterns and Paths for Realising Design-Led Impact: A Study of UK REF Cases Studies." In Impact of Design Research on Industrial Practice, 45–65. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-19449-3_3.

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Shan, Guo-Yong, and Jian-Hua Zhang. "The Research Progress of Bioinformatics-Led Design of Single-Chain Antibody Molecules." In Advances in Intelligent and Soft Computing, 175–81. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-27537-1_23.

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Allpress, Brent, Robyn Barnacle, Lesley Duxbury, and Elizabeth Grierson. "Supervising Practice-Led Research by Project in Art, Creative Writing, Architecture and Design." In Supervising Practices for Postgraduate Research in Art, Architecture and Design, 1–14. Rotterdam: SensePublishers, 2012. http://dx.doi.org/10.1007/978-94-6209-019-4_1.

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Rijo, Cátia, Helena Grácio, Javier Antón, and Victor Larripa. "Visual Thinking Through Practice Led Research: Case Study Decryption as a Triggering Creative Mechanism for Design Ideas." In Springer Series in Design and Innovation, 39–49. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-09659-4_4.

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Nkhoma, Clara, and Mathews Nkhoma. "A Research-Led Approach to Authentic Assessment Design for an Introductory Accounting Course." In Transformations in Tertiary Education, 199–211. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-9957-2_16.

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Warnke, Philine, Tanja Bratan, and Ulrike Wunderle. "Public Engagement in the Tradition of Participatory Approaches – An Approximation." In Putting Responsible Research and Innovation into Practice, 123–46. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-14710-4_7.

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AbstractPublic engagement is viewed as a prominent aspect of responsible research and innovation (RRI) both in academia and policy circles. In our paper, we would like to contribute to refining the notion of public participation as an RRI element by assessing the potential of four domains of participatory R & I theory and practices that have to date received little recognition in the RRI context: 1. Participatory design, 2. user-led innovation, 3. participatory research and 4. systemic R & I policy instruments. We test the usefulness of our concepts with a set of case studies from a recent RRI research project.
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Conference papers on the topic "Design Led Research"

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Warwick, Laura, and Robert Djaelani. "Exposing charities to design-led approaches through design research." In Design Research Society Conference 2016. Design Research Society, 2016. http://dx.doi.org/10.21606/drs.2016.297.

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Jian, Sun. "RESEARCH-LED DESIGN PRACTICE: A NEW APPROACH OF RESEARCH THROUGH DESIGN." In 2nd Arts & Humanities Conference, Florence. International Institute of Social and Economic Sciences, 2018. http://dx.doi.org/10.20472/ahc.2017.002.003.

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Mäkelä, Anna. "Reflection and Documentation in Practice-led Design Research." In Nordes 2011: Making Design Matter. Nordes, 2011. http://dx.doi.org/10.21606/nordes.2011.009.

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Macdonald, Alastair S., David Loudon, Susan Wan, and Colin Macduff. "Disentangling complexity: a visualisation-led tool for healthcare associated infection training." In Design Research Society Conference 2016. Design Research Society, 2016. http://dx.doi.org/10.21606/drs.2016.76.

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Stoimenova, Niya, and Christine de Lille. "Building the Foundation for a Design-Led Ambidexterity in a Medium-SizedTech Company." In Design Research Society Conference 2018. Design Research Society, 2018. http://dx.doi.org/10.21606/drs.2018.401.

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Yemtim, Adolphe, Achille Sévérin Lebongo Onana, Charlotte Ray, Jamie Cross, Craig Martin, and Arno G. Verhoeven. "Methods Across Borders: reflections of using design-led qualitative methods in Burkina Faso." In Design Research Society Conference 2018. Design Research Society, 2018. http://dx.doi.org/10.21606/drs.2018.599.

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Karanisa, Theodora, Ahmed Ouammi, Helmi Hamdi, Imen Saadaoui, Noora Fetais, and Sami Sayadi. "A Design-led FEWW Nexus Approach for Qatar University." In Qatar University Annual Research Forum & Exhibition. Qatar University Press, 2021. http://dx.doi.org/10.29117/quarfe.2021.0011.

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Demographic explosion, climate change, urbanization, change of life quality, and food demand have put extra pressure on Food, Energy, Water, and Waste (FEWW) resources.A special focus has been placed on university campuses as they are representative urban communities with a substantial need for food, energy, and water and they generate waste. Furthermore, universities can be models for the community as they can apply and disseminate new ideas. The case study of the Qatar University via the Doha Living Lab (DLL) generates ideas and gives solutions to the FEWW Nexus through urban agriculture practices adopted to the climatic conditions of Qatar. The DLL follows the M-NEX Design method consisting of three steps: Design Development, Design Evaluation, and Implementation by engaging stakeholders and the local community. The areas of the DLL increase food production on the campus while minimizing the use of energy and water, enhance biodiversity as well as soil quality by valorizing food waste. The carbon footprint of DLL is reduced by 2% when the same quantity of food is produced locally than imported. This applies when 75% of the energy needs come from renewable sources, 75% of the needed animal feed comes from bio waste, and finally, when novel greenhouse technologies are utilized with low energy consumption. According to the research results, the FEWW Nexus and food production on campus can be sustainable in terms of low carbon footprint with minimal resource use, use of renewable energy sources, and food waste valorization.
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Haijin Liao, Yonghai Yu, and Xiaojian Liu. "The research of humanized design of the LED landscape lighting lamp." In 2009 IEEE 10th International Conference on Computer-Aided Industrial Design & Conceptual Design. IEEE, 2009. http://dx.doi.org/10.1109/caidcd.2009.5375280.

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Haijin Liao, Jihong Zhu, Zhuoyi Dai, and Xiaojian Liu. "Research on evaluation system of user-centered LED garden lamp design." In 2010 IEEE 11th International Conference on Computer-Aided Industrial Design & Conceptual Design 1. IEEE, 2010. http://dx.doi.org/10.1109/caidcd.2010.5681288.

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Zhang, Yang, Guanghan Fu, Lei Xue, and Binghu Wang. "Research and design of tunnel LED intelligent lighting system." In Seventh International Conference on Electromechanical Control Technology and Transportation (ICECTT 2022), edited by Said Easa. SPIE, 2022. http://dx.doi.org/10.1117/12.2645610.

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Reports on the topic "Design Led Research"

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Kramer, Robert. LED Street Lighting Implementation Research, Support, and Testing. Purdue University, 2020. http://dx.doi.org/10.5703/1288284317274.

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This report describes the results of technical analysis, field tests, and laboratory tests that were performed for LED highway lighting options by the Energy Efficiency and Reliability Center (EERC) at Purdue University Northwest for the Indiana Department of Transportation (INDOT). This effort was conducted over the past 3 years to evaluate and test the technology and viability of using modern highway lighting technology to enhance energy efficiency, safety, security, and economic development of communities and roadways. During the testing period there was a continuous discussion between INDOT and EERC regarding the laboratory and field testing of INDOT approved luminaires submitted by vendors. There were multiple discussions with INDOT and vendors regarding the individual details and issues for the 29 luminaires that were tested. A comparison study was conducted by EERC of the various alternatives and comparison to currently installed luminaires. Data was collected for field tests of the luminaires by EERC and INDOT personnel for the luminaires. Field data was evaluated and compared to lighting models using vendor supplied ies data files. Multiple presentations were made at 3 separate Purdue Road Schools regarding the results and procedures of the testing program by EERC in conjunction with INDOT. A total of 22 final reports, considered confidential by INDOT, for individual vendor luminaires have been prepared as part of this effort. These reports were submitted sequentially to INDOT as testing was completed during the course of this effort. A total of 29 luminaires were tested. Some luminaire testing was terminated during testing due to design issues or vendor requests. All testing was summarized in the INDOT specification sheet attached to each report. Observations regarding the consistency of the supplied test luminaire with the requirements of Section 7.2 of the INDOT test procedure “Procedure for evaluation and approval list requirements for solid state ballasted luminaires ITM 957-17P” is provided in the Appendix to the report for each luminaire. Details regarding how these tests were performed and the respective associated evaluation of performance and reliability are provided in the report. This effort included: consideration of published and vendor information; appraisal of products consistent with national industry standards; review of physical design, thermal performance; laboratory testing of photopic performance, reliability, life cycle data and characteristics, and power characteristics; technical and probabilistic risk studies; and field testing and analysis of LED light sources including comparison to currently installed conventional light sources. Assistance in preparing INDOT standards for highway lighting was provided on multiple occasions.
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Altstein, Miriam, and Ronald J. Nachman. Rational Design of Insect Control Agent Prototypes Based on Pyrokinin/PBAN Neuropeptide Antagonists. United States Department of Agriculture, August 2013. http://dx.doi.org/10.32747/2013.7593398.bard.

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The general objective of this study was to develop rationally designed mimetic antagonists (and agonists) of the PK/PBAN Np class with enhanced bio-stability and bioavailability as prototypes for effective and environmentally friendly pest insect management agents. The PK/PBAN family is a multifunctional group of Nps that mediates key functions in insects (sex pheromone biosynthesis, cuticular melanization, myotropic activity, diapause and pupal development) and is, therefore, of high scientific and applied interest. The objectives of the current study were: (i) to identify an antagonist biophores (ii) to develop an arsenal of amphiphilic topically active PK/PBAN antagonists with an array of different time-release profiles based on the previously developed prototype analog; (iii) to develop rationally designed non-peptide SMLs based on the antagonist biophore determined in (i) and evaluate them in cloned receptor microplate binding assays and by pheromonotropic, melanotropic and pupariation in vivo assays. (iv) to clone PK/PBAN receptors (PK/PBAN-Rs) for further understanding of receptor-ligand interactions; (v) to develop microplate binding assays for screening the above SMLs. In the course of the granting period A series of amphiphilic PK/PBAN analogs based on a linear lead antagonist from the previous BARD grant was synthesized that incorporated a diverse array of hydrophobic groups (HR-Suc-A[dF]PRLa). Others were synthesized via the attachment of polyethylene glycol (PEG) polymers. A hydrophobic, biostablePK/PBAN/DH analog DH-2Abf-K prevented the onset of the protective state of diapause in H. zea pupae [EC50=7 pmol/larva] following injection into the preceding larval stage. It effectively induces the crop pest to commit a form of ‘ecological suicide’. Evaluation of a set of amphiphilic PK analogs with a diverse array of hydrophobic groups of the formula HR-Suc-FTPRLa led to the identification of analog T-63 (HR=Decyl) that increased the extent of diapause termination by a factor of 70% when applied topically to newly emerged pupae. Another biostablePK analog PK-Oic-1 featured anti-feedant and aphicidal properties that matched the potency of some commercial aphicides. Native PK showed no significant activity. The aphicidal effects were blocked by a new PEGylated PK antagonist analog PK-dF-PEG4, suggesting that the activity is mediated by a PK/PBAN receptor and therefore indicative of a novel and selective mode-of-action. Using a novel transPro mimetic motif (dihydroimidazole; ‘Jones’) developed in previous BARD-sponsored work, the first antagonist for the diapause hormone (DH), DH-Jo, was developed and shown to block over 50% of H. zea pupal diapause termination activity of native DH. This novel antagonist development strategy may be applicable to other invertebrate and vertebrate hormones that feature a transPro in the active core. The research identifies a critical component of the antagonist biophore for this PK/PBAN receptor subtype, i.e. a trans-oriented Pro. Additional work led to the molecular cloning and functional characterization of the DH receptor from H. zea, allowing for the discovery of three other DH antagonist analogs: Drosophila ETH, a β-AA analog, and a dF analog. The receptor experiments identified an agonist (DH-2Abf-dA) with a maximal response greater than native DH. ‘Deconvolution’ of a rationally-designed nonpeptide heterocyclic combinatorial library with a cyclic bis-guanidino (BG) scaffold led to discovery of several members that elicited activity in a pupariation acceleration assay, and one that also showed activity in an H. zea diapause termination assay, eliciting a maximal response of 90%. Molecular cloning and functional characterization of a CAP2b antidiuretic receptor from the kissing bug (R. prolixus) as well as the first CAP2b and PK receptors from a tick was also achieved. Notably, the PK/PBAN-like receptor from the cattle fever tick is unique among known PK/PBAN and CAP2b receptors in that it can interact with both ligand types, providing further evidence for an evolutionary relationship between these two NP families. In the course of the granting period we also managed to clone the PK/PBAN-R of H. peltigera, to express it and the S. littoralis-R Sf-9 cells and to evaluate their interaction with a variety of PK/PBAN ligands. In addition, three functional microplate assays in a HTS format have been developed: a cell-membrane competitive ligand binding assay; a Ca flux assay and a whole cell cAMP ELISA. The Ca flux assay has been used for receptor characterization due to its extremely high sensitivity. Computer homology studies were carried out to predict both receptor’s SAR and based on this analysis 8 mutants have been generated. The bioavailability of small linear antagonistic peptides has been evaluated and was found to be highly effective as sex pheromone biosynthesis inhibitors. The activity of 11 new amphiphilic analogs has also been evaluated. Unfortunately, due to a problem with the Heliothis moth colony we were unable to select those with pheromonotropic antagonistic activity and further check their bioavailability. Six peptides exhibited some melanotropic antagonistic activity but due to the low inhibitory effect the peptides were not further tested for bioavailability in S. littoralis larvae. Despite the fact that no new antagonistic peptides were discovered in the course of this granting period the results contribute to a better understanding of the interaction of the PK/PBAN family of Nps with their receptors, provided several HT assays for screening of libraries of various origin for presence of PK/PBAN-Ragonists and antagonists and provided important practical information for the further design of new, peptide-based insecticide prototypes aimed at the disruption of key neuroendocrine physiological functions in pest insects.
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Do, Thao, and Eric Kasper. The Impact of Covid-19 Response Policies on Select Vulnerable Groups in Vietnam. Institute of Development Studies, May 2022. http://dx.doi.org/10.19088/ids.2022.038.

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Despite the significant impact of the pandemic’s fourth wave, Vietnam’s overall strategy was seen as well planned with one of the lowest infection rates globally in 2020–2021. In June 2019, an estimated 540,000 Vietnamese migrant workers were recorded working legally in 40 countries and territories, making Vietnam a major labour exporter and one of the top ten countries to receive international remittances. Our research shows how Vietnam’s Covid-19 policy response has influenced Vietnamese migrant workers and counter-trafficking work, particularly in border areas. The research discussed four main findings. Firstly, border closures left many overseas migrant workers vulnerable and led them to rely on people smugglers. Secondly, the suspension of commercial international flights and a lack of transparency and favouritism in allocating seats on repatriation flights left many stranded. Thirdly, the national pandemic response plan suffered from limitations. Lastly, Covid-19 policies have led to new trafficking trends and challenges. Based on this evidence, the research suggests that digitalising and modernising social services could strengthen the inclusion of vulnerable groups, simplify the administrative and management process, save costs, and reduce corruption. Participation of vulnerable groups, especially ethnic minorities and overseas migrant workers, including fishers, should be ensured in national policy design and local implementation. Additionally, improving transparency and accountability of support systems could help gain citizens’ trust in the government, which would be beneficial for future crisis responses.
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Wang, Guanyi, Cezary Bojanowski, Andrew Hebden, Dhongik Yoon, Erik Wilson, and Leslie Foyto. University of Missouri Research Reactor LEU Fuel Element Flow Test Conceptual Design – Hydraulic Reactor Design Parameters. Office of Scientific and Technical Information (OSTI), August 2021. http://dx.doi.org/10.2172/1821189.

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Bojanowski, Cezary, Guanyi Wang, Ron Kmak, Andrew Hebden, Aaron Weiss, Wade Marcum, David Jaluvka, Leslie Foyto, and Erik Wilson. University of Missouri Research Reactor LEU Fuel Element Flow Test Conceptual Design. Office of Scientific and Technical Information (OSTI), September 2021. http://dx.doi.org/10.2172/1822436.

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Ahmed, Syeda Kashfee, Pru Mitchell, and Jenny Trevitt. Rapid review of effective practice principles in the design and delivery of digital resources for teachers. Australian Council for Educational Research, June 2021. http://dx.doi.org/10.37517/978-1-74286-671-0.

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This rapid review, commissioned by Life Education Australia (LEA), gathered evidence about effective practice in the design and delivery of digital professional learning for teachers. Its goal was to inform development of principles to guide the design and delivery of LEA’s own digital resources for teachers. The key research question for the review was: What does the research evidence say about the design and delivery of digital / online resources for teachers and what practice implications and recommendations could be made based on this research evidence?
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Lippert, David, Marshall Thompson, and Charles Wienrank. Performance of Interstate Rubblization in Illinois. Illinois Center for Transportation, July 2021. http://dx.doi.org/10.36501/0197-9191/21-005.

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In Illinois, hot-mix asphalt overlaid concrete pavements typically exhibit reflective cracking of joints and cracks from the pavement below, resulting in shortened life and maintenance issues. Over the years, various patching, fabric, and crack and seat techniques were attempted with few positive results. This led to more aggressive techniques to eliminate the slab action of the concrete pavement where the pavement would be broken or rubblized into pieces typically less than 12 inches. Since the first rubblizing project in 1990, policy, procedures, and specifications have evolved to the point that rubblization is the mainstream option in dealing with problematic concrete pavements. This report summarizes the performance of several interstate rubblizing projects in Illinois by analyzing available data in Illinois Department of Transportation’s pavement management system. Condition rating survey data allowed the serviceability of these projects to be evaluated by surface mix types and asphalt performance grades. Traffic in the form of 18,000 lb equivalent single axle loads was determined for the projects to evaluate fatigue and rutting as well as compare section performance to the design procedure. The research team reviewed plans, design procedures, and specifications to determine best practices and identify where improvements might be made. Data showed that the use of stone matrix asphalt surface mixtures and mixes using PGXX-28 asphalt binders provides improved performance. Overall, rubblizing has shown good to excellent performance. To provide additional life with improved performance, recommendations include adopting softer asphalt grades, increasing the use of stone matrix asphalt, and improving procedures for protecting culverts.
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Crespi, Gustavo, Lucas Figal Garone, Alessandro Maffioli, and Ernesto H. Stein. Research Insights: Does R&D Activity Stimulated by Chile’s FONDEF and FONTEC Programs Lead to Knowlege Spillovers? Inter-American Development Bank, August 2020. http://dx.doi.org/10.18235/0002928.

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Chile's FONDEF and FONTEC R&D grant programs both boost the productivity of direct beneficiaries, increasing total factor productivity (TFP) by around 4.2 percent. However, spillover effects are contingent on program design. Only FONDEF funded projects (requiring collaboration between firms and research centers) generate positive spillovers. FONTEC projects, which fund R&D within the firm, do not. Spillover effects are nonlinear according to the share of firms within a sectorregion receiving subsidies. Positive knowledge spillovers dominate when the share of treated firms is small. However, if the program supports a large share of a firms rivals, spillovers decline as a result of a business-stealing effect.
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Haddock, John E., Reyhaneh Rahbar-Rastegar, M. Reza Pouranian, Miguel Montoya, and Harsh Patel. Implementing the Superpave 5 Asphalt Mixture Design Method in Indiana. Purdue University, 2020. http://dx.doi.org/10.5703/1288284317127.

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Recent research developments have indicated that asphalt mixture durability and pavement life can be increased by modifying the Superpave asphalt mixture design method to achieve an in-place density of 95%, approximately 2% higher than the density requirements of conventionally designed Superpave mixtures. Doing so requires increasing the design air voids content to 5% and making changes to the mixture aggregate gradation so that effective binder content is not lowered. After successful laboratory testing of this modified mixture design method, known as Superpave 5, two controlled field trials and one full scale demonstration project, the Indiana Department of Transportation (INDOT) let 12 trial projects across the six INDOT districts based on the design method. The Purdue University research team was tasked with observing the implementation of the Superpave 5 mixture design method, documenting the construction and completing an in-depth analysis of the quality control and quality assurance (QC/QA) data obtained from the projects. QC and QA data for each construction project were examined using various statistical metrics to determine construction performance with respect to INDOT Superpave 5 specifications. The data indicate that, on average, the contractors achieved 5% laboratory air voids, which coincides with the Superpave 5 recommendation of 5%. However, on average, the as-constructed mat density of 93.8% is roughly 1% less than the INDOT Superpave 5 specification. It is recommended that INDOT monitor performance of the Superpave 5 mixtures and implement some type of additional training for contractor personnel, in order to help them increase their understanding of Superpave 5 concepts and how best to implement the design method in their operation.
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DeSantis, John, and Jeffery Roesler. Longitudinal Cracking Investigation on I-72 Experimental Unbonded Concrete Overlay. Illinois Center for Transportation, February 2022. http://dx.doi.org/10.36501/0197-9191/22-002.

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A research study investigated longitudinal cracking developing along an experimental unbonded concrete overlay (UBOL) on I-72 near Riverton, Illinois. The project evaluated existing literature on UBOL (design, construction, and performance), UBOL case studies, and mechanistic-empirical design procedures for defining the mechanisms that are contributing to the observed distresses. Detailed distress surveys and coring were conducted to assess the extent of the longitudinal cracking and faulting along the longitudinal lane-shoulder joint. Coring over the transverse contraction joints in the driving lane showed stripping and erosion of the dense-graded hot-mix asphalt (HMA) interlayer was the primary mechanism initiating the longitudinal cracks. Cores from the lane-shoulder joint confirmed stripping and erosion was also occurring there and leading to the elevation difference between the driving lane and shoulder. Field sections by surrounding state departments of transportation (DOTs), such as Iowa, Michigan, Minnesota, Missouri, and Pennsylvania, with similar UBOL design features to the I-72 section were examined. Site visits were performed in Illinois, Michigan, Minnesota, and Pennsylvania, while other sections were reviewed via state DOT contacts as well as Google Earth and Maps. Evidence from other DOTs suggested that HMA interlayers, whether dense graded or drainable, could experience stripping, erosion, and instability under certain conditions. An existing performance test for interlayers, i.e., Hamburg wheel-tracking device, and current models reviewed were not able to predict the distresses on I-72 eastbound. Adapting a dynamic cylinder test is a next step to screen HMA interlayers (or other stabilized layers) for stripping and erosion potential. To slow down the cracking and faulting on I-72 eastbound, sealing of the longitudinal lane-shoulder joint and driving lane transverse joints is suggested. To maximize UBOL service life, an HMA overlay will minimize water infiltration into the interlayer system and significantly slow down the HMA stripping and erosion mechanism that has led to longitudinal cracking and lane-shoulder faulting.
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