Tesis sobre el tema "Construction Lean"
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Tomas, Lindholm. "Lean in Construction Projects : Is lean suitable for all construction projects?" Thesis, KTH, Byggnadsteknik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-146653.
Texto completoBashir, Abubakar Muhammad. "A framework for utilising lean construction strategies to promote safety on construction sites". Thesis, University of Wolverhampton, 2013. http://hdl.handle.net/2436/297665.
Texto completoMarchini-Blanco, Juan 1971. "Lean enterprise in the construction industry". Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/29383.
Texto completoIncludes bibliographical references (leaves 59-61).
This thesis explores the application of the Lean Enterprise Model (LEM) to construction firms. LEM is a framework derived from lean manufacturing principles by MIT's Lean Aerospace Initiative (LAI) for the aerospace industry. Construction firms also need new business models to meet the change in construction industry environment. Lean enterprise could assist in the development of a new business model. In theory, LEM could be applied to any given industry. A matrix has been created in which six key construction characteristics are compared to six key lean enterprise principles in order to asses how compatible would the lean enterprise model be taking into account the particularities of the construction industry. The results show that in some aspects the construction industry is already somewhat lean, e.g. it works on the basis of customer pull, while in others the application of lean principles would require a big mindset and cultural change, e.g. adversarial relationships due to the lump sum bidding system.
by Juan Marchini-Blanco.
S.M.
Garnett, Naomi A. "Changing construction performance using lean construction : an action research approach". Thesis, University of Reading, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.394430.
Texto completoTezel, Bulent Algan. "A Statistical Approach To Lean Construction Implementations Of Construction Companies In Turkey". Master's thesis, METU, 2007. http://etd.lib.metu.edu.tr/upload/12608658/index.pdf.
Texto completoRen, Jiamei. "Lean Construction Supply Chain : A Literature Review". Thesis, KTH, Fastigheter och byggande, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-101279.
Texto completoMorris, Jonathan. "Improving construction design : the lean thinking paradigm". Thesis, Cranfield University, 1999. http://dspace.lib.cranfield.ac.uk/handle/1826/3840.
Texto completoWard, Steven Anthony. "Critical success factors for lean construction intervention". Thesis, University of Dundee, 2015. https://discovery.dundee.ac.uk/en/studentTheses/a08f9653-ee1c-4ab8-8776-7ae6233488c9.
Texto completoMelam, Madhu Chandra. "Development of Rating Scale in Lean Construction". University of Cincinnati / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1312293650.
Texto completoShakarchi, Ahmad y Daniel Fadhil. "Exploring Lean Practices in Commercial Construction Projects". Thesis, KTH, Fastigheter och byggande, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-298317.
Texto completoLean byggproduktion föreslås ofta som ett sätt att öka produktiviteten i byggbranschen. Det finns inga tydliga definitioner av lean byggproduktion, men konceptet beskrivs ofta som en filosofi för byggledning som ämnar minimera avfall och maximera kundvärdet. Att anta lean byggproduktion i ett projekt kan vara svårt och det finns ett antal kritiska faktorer för lyckad implementering, varav en är användandet av lean byggverktyg. Lean byggverktyg är verktyg, tekniker och strategier genom vilka principerna av lean byggproduktion kan implementeras. Det har påpekats att det finns brist på information om antalet befintliga lean byggverktyg och deras användningsområden. Denna rapport identifierade lean verktyg som har implementerats i kommersiella byggprojekt, och kategoriserade de enligt faserna av lean byggproduktion. Rapporten utforskade också vilka lean verktyg för planering och styrning av produktion som har antagits av en kommersiell byggentreprenör. För att identifiera leanverktyg i kommersiella byggprojekt så genomfördes en litteraturanalys baserat på de dokument som granskats av Babalola et al. (2019) i deras artikel ‘Implementation of lean practices in the construction industry: A systematic review’. Detta avslöjade 22 olika lean byggverktyg som implementerats i diverse kommersiella byggprojekt, där Last Planner System har rapporterats mest följt av Just in Time och Pull Scheduling. Litteraturanalysen resulterade också i projektleveransstadierna där varje identifierat verktyg hade implementerats. Detta hjälpte att kategorisera verktygen enligt faserna av lean byggproduktion. Faserna definierades av det konceptuella ramverket ’The Lean Project Delivery System’ som Project Definition, Lean Design, Lean Supply, Lean Assembly och Lean Use. Kategoriseringen visade att (utav de 22 identifierade verktygen) 3 verktyg tillhör fasen Project Definition, medan de resterande faserna innefattar 8, 9, 15 respektive 0 verktyg. För att utforska vilka lean verktyg för planering och styrning av produktion som har antagits av en kommersiell byggentreprenör så utfördes en fallstudie av produktionsfasen av ett stort projekt såkallat Projekt X. Sju medlemmar av produktionsteamet intervjuades för att uppenbara entreprenörens arbetsmetoder vid planering och styrning av produktion beträffande tid, aktivitet och logistik. De uppenbarade arbetsmetoderna jämfördes sedan med 9 av de 22 identifierade leanverktygen eftersom just de tolkades som verktyg för planering och styrning av produktion. Denna analys visade att sex av dessa verktyg var till synes implementerade i produktionen av Projekt X, medan en var delvis implementerad och två inte alls implementerade.
Glad, Calle y Elinor Bäck. "Lean i byggproduktion med fokus på arbetsmiljö". Thesis, Tekniska Högskolan, Högskolan i Jönköping, JTH, Byggnadsteknik och belysningsvetenskap, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-46209.
Texto completoAlmeida, Joao Carlos. "Strategic issues in lean construction and the higher education construction market sector". Link to electronic thesis, 2003. http://www.wpi.edu/Pubs/ETD/Available/etd-0220103-154015.
Texto completoSarhan, Jamil Ghazi I. "Development of a lean construction framework for the Saudi Arabian construction industry". Thesis, Queensland University of Technology, 2018. https://eprints.qut.edu.au/119173/1/Jamil%20Ghazi%20I_Sarhan_Thesis.pdf.
Texto completoNesensohn, Claus. "An innovative framework for assessing lean construction maturity". Thesis, Liverpool John Moores University, 2014. http://researchonline.ljmu.ac.uk/4320/.
Texto completoHäggroth, Michael y Rapport Nils Odén. "Hur fungerar Lean construction? : En fallstudie av NCC". Thesis, Uppsala University, Department of Business Studies, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-9450.
Texto completoDet har blivit allt dyrare att bygga i Sverige, den svenska byggnadsindustrin har halkat efter övrig producerande industri och byggföretagen måste börja tänka i nya banor om de ska klara de nya utmaningarna. Lean-tänkande har länge nyttjats inom den tillverkande industrin och byggföretag har på senare år börjat snegla på dessa koncept i syfte att öka sin produktivitet. Problemet är att byggindustrin inte har homogena produktionsmiljöer och därmed inte kan använda samma lean-koncept som exempelvis bilindustrin. Därför har ett nytt koncept som kallas Lean construction utvecklats som bygger på ett antal principer från traditionella produktionssynsätt (Koskela, 2000). Konceptet är relativt nytt och forskningen inom området har främst fokuserat på lösningar på specifika problem istället för att skapa förståelse för konceptets helhet. I denna studie ligger därför fokus på att skapa förståelse för helheten genom att belysa hur Lean-constructionprinciper samverkar och påverkar varandra i ett produktionssystem. För att förstå dessa kopplingar har ett byggföretag som aktivt arbetar med olika lean-koncept studerats i en fallstudie. I studien framgår att produktionsprinciperna kan vara överordnade varandra och att vissa principer kan vara mer eller mindre centrala i Leanconstruction. Studien identifierar också ett nytt område byggföretag kan ha problem med, vilket benämns som kunskapsslöseri.
Al-Sasi, Basil Omar. "A lean approach to capacity management in construction". Thesis, University of Southampton, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.443046.
Texto completoLabib, Y. A. M. "Lean framework for assessing construction logistics in Jordan". Thesis, University of Salford, 2017. http://usir.salford.ac.uk/41280/.
Texto completoMUTCHLER, MATTHEW A. "lean architecture". University of Cincinnati / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1212009216.
Texto completoSoto, Leticia S. M. Massachusetts Institute of Technology. "Construction design as a process for flow : applying lean principles to construction design". Thesis, Massachusetts Institute of Technology, 2007. http://hdl.handle.net/1721.1/42995.
Texto completoIncludes bibliographical references (p. 108-111).
Delays and cost overruns are the rule rather than the exception in the construction industry. Design changes due to lack of constructability late in the construction phase generating costly ripple effect which create delay and disruption throughout the entire organization, are the largest contributors to the stated rule. In the building construction industry, of increased competitiveness, demand from many companies continued effort to develop new methods and tools, in which the design for quality, cost, construability and reliability play an important role. The planning and management of building design has historically focused upon traditional methods of planning such as Critical Path Method (CPM). Little effort is made to understand the complexities of the design process; instead design managers focus on allocating work packages where the planned output is a set of deliverables. This current design method forces design teams to manage their work on a discipline basis, each working on achieving their deliverable as dictated by the design program with little regard of the relationship with other disciplines and organizations. In addition, because Architect and Engineering firms view design and construction as two separate independent phases of work in project it makes it difficult to verify constructability in a design and create flow in the overall process. The goal of this study is to look at how aligning interests, objectives and practices based on lean fundamentals, during the earliest stages of a project, as a method of improving construction performance.
by Leticia Soto.
S.M.
Dave, B. A. "Developing a construction management system based on lean construction and building information modelling". Thesis, University of Salford, 2013. http://usir.salford.ac.uk/30820/.
Texto completoHerrera, Valencia Rodrigo Fernando. "Impact of BIM/LEAN on the interaction of construction project design teams". Doctoral thesis, Universitat Politècnica de València, 2020. http://hdl.handle.net/10251/158718.
Texto completo[CAT] Els equips de diseny dels projectes de construcción están compostos per diferents interesats; açó podría dificultar les interaccions. Les metodologies BIM i Lean tenen un impacte positiu en els projectes de construcció. A més, ni hi ha proves de l'aplicació conjunta de BIM i Lean; no obstant, es desconeix la relació empírica entre practiques Lean i els usos de BIM en fase de diseny. Tampoc existix una comprensió mes profunda dels fenómens socials que es generen entre els equips de diseny quan s'apliquen les metodologies de gestió BIM-Lean. Per tant, l'objectiu d'esta investigació es entendre l'impacte de les practiques de gestió de diseny Lean (LDM) i els usos BIM en l'interacció dels equips de diseny dels projectes de construcción. El métode de investigació te dos fases: 1) la creació de ferramentes per a evaluar el nivell d'aplicació de les practiques LDM i els usos BIM, i per a comprendre les interaccions en un equip de diseny; i 2) l'análisis de les relacions entre BIM, Lean i la interacció, basades en informació empírica de projectes de construcció en fase de diseny. Els resultats presenten un instrument d'evaluació d'usos del BIM i un questionari de practiques de LDM per a mesurar la gestió del diseny, i un método per a comprendre els diferents tipos d'interacció en un equip de diseny. Basades en les dades de 64 projectes, un análisis chi cuadrado va revelar 33 relacions empíricas entre els usos del BIM i les práctiques LDM; a més, l¿aplicació dels usos del BIM implica una major aplicació de les práctiques LDM. El projecte que aplica la gestió BIM-Lean obté nombroses interaccions en el seu equip de diseny; fluxes d'informació transparents, ordenats i estandarizats; un entorn de colaboració, confiança i aprenentatge; i una gestió del compromis. Tots estos elements d'interacció no son visibles en el projecte, en el que no es va aplicar la gestió BIM-lean.
[EN] Design teams of construction projects are composed of different stakeholders; this fact could make the interactions difficult. BIM and Lean methodologies have a positive impact on construction projects. Besides, there is evidence of the combined implementation of BIM and Lean; however, it is not known the empirical relationship between Lean practices and BIM uses in the design phase. Also, there is not a deeper understanding of the social phenomena that are generated among design teams when BIM-Lean management methodologies are implemented. Therefore, the objective of this research is to understand the impact of Lean design management (LDM) practices, and BIM uses in the interaction of construction project design teams. The research method has two phases: (1) the creation of tools to assess the level of implementation of LDM practices and BIM uses and to understand the interactions in a design team; and (2) the relationship analyses between BIM, Lean, and interaction, based on empirical information from construction projects in the design phase. The results present a BIM uses assessment tool and an LDM practices questionnaire to measure the design management and a method to understand the different types of interaction in a design team. Based on data from 64 projects, a chi-square analysis revealed 33 empirical relationships between BIM uses and LDM practices; also, the application of BIM uses implies a greater application of LDM practices. The project that applies BIM-Lean management achieves many interactions among its design team; transparent, orderly, and standardized information flows; a collaborative, trust, and learning environment; and commitment management. All these interaction elements are not visible in the project, where BIM-lean management was not applied.
Herrera Valencia, RF. (2020). Impact of BIM/LEAN on the interaction of construction project design teams [Tesis doctoral]. Universitat Politècnica de València. https://doi.org/10.4995/Thesis/10251/158718
TESIS
Khan, Muhammad Sharjeel. "The construction of a model for lean product development". Thesis, Cranfield University, 2012. http://dspace.lib.cranfield.ac.uk/handle/1826/8043.
Texto completoDeville, del Águila Alejandro y Rentería Gian Pedro Gallo. "Contribución de lean construction para alcanzar la construcción sostenible". Bachelor's thesis, Pontificia Universidad Católica del Perú, 2017. http://tesis.pucp.edu.pe/repositorio/handle/123456789/10184.
Texto completoTesis
Fernandes, André Jorge Ramos Chaves. "Lean construction e construção sustentável: um estudo de caso". Master's thesis, [s.n.], 2015. http://hdl.handle.net/10284/4935.
Texto completoA implementação de princípios de planeamento e controlo, baseados na filosofia Lean Construction, podem conduzir a ganhos substanciais do ponto de vista económico e financeiro. Baseando-se nestes princípios, a presente dissertação analisa o estudo de caso de um empreendimento de reabilitação, situado na cidade do Porto, destinado a residência de estudantes, para comprovar se esses princípios conduzem ou não a ganhos substanciais na gestão de um empreendimento imobiliário. Tendo em vista os princípios da Lean Construction, pretende-se a racionalização do investimento, que leve a um produto elaborado em menos tempo, menos desperdício e menor período de retorno. Os métodos de análise utilizados, incluem o máximo aproveitamento de produtos de desconstrução, e a separação de resíduos, para reciclagem, dos restantes produtos de demolição. No processo construtivo considera-se, para além da reutilização de partes da pré-existência, a utilização de materiais sustentáveis e recicláveis sempre que possível. São focados, com particular destaque, os métodos de planeamento que conduzem à diminuição dos prazos de execução e à minimização dos desperdícios, o que se reflete em ganhos substanciais económicos e de tempo. O estudo de caso conclui-se com a determinação do período de retorno do investimento imobiliário, o qual se encontrava fixado pelo promotor, podendo ser melhorado se os métodos de gestão utilizados assim o permitissem. O estudo prova que esse período de retorno pode ser melhorado, e apresenta as justificações que assim o determinaram.
The implementation of planning and control principles, based on the Lean Construction philosophy, can lead to substantial economical and financial gains. Based on these principles, this dissertation analyzes the case study a building rehabilitation project, located in Porto, aimed at student residence, to test whether these principles lead to substantial gains in real estate management. Bearing in mind the principles of Lean Construction, the aim was to rationalize the investment, leading to a product produced in less time, with less waste a reduced payback period. The analytical methods used include the maximum utilization of deconstruction products and waste separation (for recycling) of the remaining demolition products. In addition to the use of pre-existing material, the building process considered the use of sustainable and recyclable materials at all possible instances. The planning methods that lead to decreased production time and minimization of waste are focused with particular emphasis, as they result in substantial gains in terms of time and economy. The case study concludes with the determination of the payback period for the real estate investment, which was fixed by the promoter, and could have been improved if the management methods so allowed. The study proves that this payback period can be improved and presents the reasons that so determined.
SOLOMON, JULIE A. "APPLICATION OF THE PRINCIPLE OF LEAN PRODUCTION TO CONSTRUCTION". University of Cincinnati / OhioLINK, 2004. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1092947456.
Texto completoZIMMER, ERIC R. "IMPROVING LEAN SUPPLY CHAIN MANAGEMENT IN THE CONSTRUCTION INDUSTRY". University of Cincinnati / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1147652049.
Texto completoSolomon, Julie A. "Application of the principles of lean production to construction". Cincinnati, Ohio : University of Cincinnati, 2004. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=ucin1092947456.
Texto completoRoalsø, Fredrik. "Implementeringen av Lean Construction i det norske entreprenørselskapet Kruse Smith AS". Thesis, Karlstads universitet, Avdelningen för energi-, miljö- och byggteknik, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-13776.
Texto completoDette rapporten er en undersøkelse om bruken av Lean Construction i entreprenørselskapet Kruse Smith AS. Undersøkelsen tar opp hvor godt implementeringen av Kruse Smiths nye Lean policy utføres, hvilke forbedringer som kan gjøres og hvordan selve policyen kan forbedres. Lean er en planleggings metodikk som brukes av bedriften for å øke produksjons flyten og minke sløsing i et prosjekt. Lean Construction er en videreutvikling av Lean for å tilpasse byggebransjen. Kruse Smith AS er et entreprenørselskap som driver med bygg-, anlegg- og eiendomsvirksomhet. Denne undersøkelsen tar for seg prosjekter innen bygg. Undersøkelsen ble gjort ved å inkludere tre pågående byggeprosjekt: Prosjekt 1 – Boligblokker i Kristiansand Prosjekt 2 – Ungdomsskole i Lyngdal Prosjekt 3 – Boligblokker i Sandnes Av resultatene ser man at de ulike prosjektene tolker policyen på forskjellige måter og ender derfor opp med forskjellig organisering og strukturering av arbeidsplassen. Allikevel ser man at de elementære målene i policyen kan bli nådd uten å nødvendigvis måtte gjøre det samme. For å styrke implementeringen av policyen kan det fra bedriftens side legges fokus på oppfølging av de ulike prosjektene, gjerne mest der hvor ansvarlige ikke er vant med bruken av Lean. I tillegg kan det for å informere alle og skape en bedre kjennskap til Lean legges inn noe om dette i helse, miljø og sikkerhets planen (HMS-planen) da denne skal leses av alle. Man kan også bevist plassere de mest Lean erfarne med andre uerfarne i de ulike prosjekt. Policyen kan styrkes ved å legge større fokus på evaluering og kontinuerlig forbedring ved eksempelvis å legge inn faste møter for dette, det kan også fokuseres på fjerning av sløsing slik at man kvitter seg mest mulig med unødvendig transport, leting og venting. Policyen kan i tillegg forbedres ved en videreutvikling av avviksystemet som i dag kun har fokus på uønskede hendelser og kvaliteter, til å også inkludere forbedrings forslag.
Amezquita, Tony. "Lean remanufacturing in the automotive industry". Thesis, Georgia Institute of Technology, 1996. http://hdl.handle.net/1853/23166.
Texto completoKarlsson, Emil y Jacob Öman. "LEAN I BYGGBRANSCHEN : -En studie om hur svenska företag inombyggbranschen arbetar med och resonerar kring Lean". Thesis, Högskolan i Halmstad, Akademin för ekonomi, teknik och naturvetenskap, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-37223.
Texto completoAhlander, Alfred y Pontus Ekroth. "Kommunikationsmodell för APD-plan vid användning av materialrutor och gångstråk". Thesis, Tekniska Högskolan, Högskolan i Jönköping, JTH, Byggnadsteknik och belysningsvetenskap, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-36816.
Texto completoPurpose: On-site construction is a complicated process. A temporary factory, with new zones for materials and workplace area must be established for each new project, which complicates the process further. Material management stands for a big saving opportunity in building projects and 40 % of the time lost on a construction site can be attributed to material management. To overcome this waste connected to material management a well-processed logistics planning, god communication as well as experience feedback from previous projects is required. The aim for this thesis is therefore to identify improvement measure regarding the use of material-dedicated buffer zones and walking paths, and as well as create a model of communication that supports experience feedback. Method The thesis is a case study on two projects within the organization of NCC. A qualitative data collection with literature review, interviews, document analysis and observation has been conducted. Semi-structured interviews have been conducted and includes seven respondents with different position within the construction industry. Findings: The thesis has produced factors that should be taken into consideration when material zones and walking paths are planned. The result shows that resources and structured processes are required if experience feedback should work during the construction project. To succeed with the use of material-dedicated buffer zones and walking paths, good communication of the construction site plan is needed. Furthermore, the thesis has resulted in a model of communication that supports experience feedback. Implications: It’s during the purchase and delivery planning that the conditions for the material-dedicated buffer zones and walking paths are set, therefore the construction site planning should be involved more in this phase. A prerequisite for using dedicated material zones and walking paths are resources which supports the construction management with planning and performance. By using logistic resources within the organization facilitates planning and management of material at the construction site, enables that collected experience can be conveyed between projects. In the production there should be a responsible receiver of material deliveries, who is extra briefed in the constructions site plan and the material-dedicated buffer zones through continuous communication with the construction management and logistic resource. Limitations: Since the thesis only includes two building projects, there is a limitation of the factors and arguments that are treated. Although the result is based on two building projects the fundamental processes and course of events are similar and can therefore be applied on other building projects.
Svensson, Kristoffer. "Erfarenhetsåterföring : Vad skapar en bra erfarenhetsåterföring och hur den kan implementeras i ett traditionellt byggföretag". Thesis, Umeå universitet, Institutionen för tillämpad fysik och elektronik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-182823.
Texto completoExperience feedback leads to several benefits such as increased results and more satisfied customers. Traditional construction lacks a method and model for experience feedback. Industrial construction has come a long way in the work with experience feedback, but in general there is room for a better experience feedback in the construction industry. In the manufacturing industry, they work successfully with experience feedback through continuous improvement and Lean. The purpose of the study was to investigate how industrial builders and the manufacturing industry work with experience feedback and how it can be implemented with a traditional construction company. Through the question of what creates a good experience feedback, the goal was to design a model for implementing experience feedback at the target company Contractor. To gain insight, a literature study was conducted, as well as interviews with industry companies. The study shows that the industrial builders work with daily meetings and there is one or more people responsible for the feedback of experience. In the manufacturing industry, they do not use the concept of experience feedback even though the purpose and goal are the same as in the construction sector; to improve and achieve a higher result. Therefore, the concept of experience feedback can be used in both industries, but the manufacturing industry works more systematically. They have a stronger culture and see a greater value in the work because it is a higher priority. What has been shown to create a good experience feedback is first and foremost when the company management has a clear strategy linked to experience feedback. There must be a person who drives the work with experience feedback, a coordinator who creates a desire for experience. Structuring of the work takes place through continuous use of pulse meetings where deviations, improvements and planning are discussed. Motivated employees are needed to highlight deviations and experiences, where feedback and transparency in the results is important for the motivation to report. Finally, the implementation of the EF model can take place in a pilot project where working methods with pulse meetings are tested on a smaller scale and then evaluated and tested again, to be determined later. The established way of working can then be spread to more work teams and finally the entire organization, where in-demand leadership remains important. The issue of experience feedback must be constantly worked on, otherwise it is not important.
Lofjärd, Anna. "Implementering av Lean Construction inom byggbranschen : Ett slöseri eller ett verktyg?" Thesis, Högskolan i Borås, Akademin för textil, teknik och ekonomi, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-23562.
Texto completoIn Sweden housing has been given further focus to build cheaper and faster. Construction have constant requirements to build more effective and at the same time maintain their quality. The industry evolves all the time and many businesses have created own tools and methods to keep improving the efficiency and quality of their work. The original ideas came from Toyotas production ideas from the early 1900. The theories about quality thinking and efficiency have been popular to implement and the concept has for example developed within construction and is called Lean Construction. Since there is a lot of theory within the field the writer felt that the subject should be relevant to examine and see how Lean Construction is working in reality. Therefore, the aim of this study is to investigate if the construction firm should be able to implement some tools and methods that you can find within Lean Construction. Would these tools and methods be able to generate more efficiency in the construction firm’s daily work. To be able to implement this study, a questionnaire has been sent out to 3 different construction firms. In the questionnaire the respondents rank the different tools and methods they thought had efficiency and the one’s that didn’t have any efficiency. Where they answered which tools and methods within Lean construction that they thought would improve the efficiency and if they already have worked by a method that should rise the efficiency. Most of the respondents have heard of the Lean Construction before but not everyone had used it. Between the different construction firm’s opinions about what kind of methods about efficiency varied. A wide study of different methods was made to determine what kind of methods should be used when writing this essay, the different methods have been balanced between each other to determine which should complete the collected data. By using the questionnaire and collected theory, a qualitative method was selected. The benefit with this method was that the writer could compare the collected data with the theory. The writer chose only 3 construction firms so that the study shouldn’t be generalized but instead be more open for interpretive picture of how the work within construction looks like. To be able to answer the purpose, the writer set some limitations, by only focusing on the tools and methods within Lean that should contribute to a higher efficiency at the construction firm. Through the respondents answer it emerged that methods within 5S can be applied within construction. The collected theory and the empirical data were analyzed and led to the conclusion. The study showed that the 5s method is the easiest method to implement at the construction firm. Respondents meant that some of the methods within 5S already is applied in their daily work.
Ruokamo, Marika y Sofia Viklund. "Lean Mognadsmodell för industriellt byggande- LMI". Thesis, Umeå universitet, Institutionen för tillämpad fysik och elektronik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-184814.
Texto completoElkherbawy, Ahmed Abdelbasset. "Lean construction versus Project Management in road projects : scheduling comparison". Doctoral thesis, Universitat Politècnica de Catalunya, 2019. http://hdl.handle.net/10803/668908.
Texto completoLean Construction es considerado como un enfoque innovador para la gestión de diversos tipos de proyectos en el campo de la construcción. Por más que se aplique actualmente en algunos países, su expansión es inevitable, ya que se obtienen mejores resultados generales y los objetivos de los proyectos se cumplen con mayor precisión. A pesar del hecho de que Lean Construction ofrece soluciones a muchos problemas que ocurren bajo el enfoque de administración tradicional conocido como Gestión de Proyectos (Project Management, PM), el alcance de su aplicación no es tan prometedor. Los países en los que se aplica mínimamente el Lean Construction son los Estados Unidos de América y el Reino Unido, además de otros países de Europa y América Latina. Sin embargo, todavía no se aplica de manera más exhaustiva en estos países y está completamente ausente en muchos otros en todo el mundo. Este estudio se centra principalmente en la aplicación de el Lean Construction a Infraestructura, específicamente en proyectos viales; Investigando soluciones de Lean Construction para los desperdicios del tiempo. A través de la realización de una investigación de estudio de caso, este trabajo se enfoca en investigar el impacto de la aplicación del Sistema Last Planner como una herramienta Lean Construction en la eliminación de actividades sin valor agregado (NVA), es decir, desechos en un proyecto vial en El Cairo, Egipto. Este estudio incluye un estado del arte tanto en el enfoque de gestión tradicional de proyectos Project Management como en Lean Construction. El estudio se aplica a un enfoque comparativo entre la aplicación del enfoque de el Project Management y el Lean Construction en proyectos viales. Por lo tanto, el investigador realizó diferentes simulaciones del proyecto de carretera estudiado, teniendo en cuenta los dos enfoques (Project Management y Lean Construction), y luego obtuvo los resultados de las simulaciones. Se utilizan dos parámetros como criterios de comparación: Plan de porcentaje completado (PPC) y Porcentaje de residuos de actividad (PAW). El último (PAW) es un nuevo parámetro introducido por el investigador para investigar sus resultados antes / después de aplicar las herramientas de el Lean Construction. Los hallazgos del estudio apoyan la hipótesis de la investigación de que la aplicación del enfoque de Lean Construction a los proyectos viales aumenta la productividad al eliminar los desechos relacionados con el tiempo y disminuir la duración del proyecto. Esta investigación apoya el argumento de que los proyectos viales pueden mejorarse en gran medida con la aplicación de el Lean Construction en lugar del enfoque tradicional el Project Management.
Fosse, Roar. "Forbedring av arbeid på byggeplass ved operasjonsanalyse og Lean Construction". Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for bygg, anlegg og transport, 2014. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-25809.
Texto completoDauber, Volker Ferdinand. "Measuring and minimising waste in construction by applying lean thinking". Thesis, University of Dundee, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.445871.
Texto completoTaguchi, Hiroshi 1973. "Application of lean enterprise concept to construction firms in Japan". Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/29397.
Texto completoIncludes bibliographical references (p. 79-80).
Construction firms in Japan are struggling with the change in construction industry environment and need a new business model to meet the change. On the other hand, Japanese manufacturing companies, especially automobile companies, are at their peak standing on their strong production system, which is called the lean production system. The lean production system has its origin in the Japanese automobile industry and has changed the dynamics of international competition of the manufacturing industry. The construction industry is a non-manufacturing business; however, lean concepts could assist in the development of a new business model in the construction context. This thesis derived lean concepts from the manufacturing industry and examined their applicability for construction firms in Japan, by exploring the business processes of the Japanese construction industry from three perspectives: the production level, the enterprise level, and the extended enterprise level. This thesis revealed that the peculiarities of the construction industry created barriers to reap the full benefit of the lean transformation at the production and the enterprise level. This thesis concluded that the Japanese construction industry should apply lean concepts at the extended enterprise level. A case study of a new airport construction project in Japan supported this conclusion.
by Hiroshi Taguchi.
S.M.
AlSehaimi, Abdullah. "Improving construction planning practice in Saudi Arabia by means of lean construction principles and techniques". Thesis, University of Salford, 2011. http://usir.salford.ac.uk/42997/.
Texto completoFigueiredo, Duarte Maria Almeida Godinho Rêgo. "Tornando lean mais lean – uma nova abordagem da elaboração do mapeamento do fluxo de valor com base em sinergias lean construction e PMBOK". Master's thesis, Faculdade de Ciências e Tecnologia, 2012. http://hdl.handle.net/10362/9900.
Texto completoO Mapeamento do Fluxo de Valor (MFV) é a ferramenta principal da filosofia Lean. Na elabora-ção MFV é muito difícil de quantificar desperdícios, corrigi-los, propor soluções e quantificar a eficácia do mesmo. É essencial que o desenvolvimento do MFV seja rápido, eficiente e sem desperdícios. Em construção há grande dificuldade na elaboração MFV, porque as tarefas não são repetitivas, nem as condições de realização iguais. Assim a elaboração do MFV é muitas vezes difícil e realizada sem fluxo contínuo o que leva uma ferramenta Lean muitas vezes a não ser Lean na sua essência. Por essa razão o método de elaboração de MFV proposto neste estudo tem o objectivo de tornar a elabora-ção do MFV mais lean, ou seja, com menos desperdícios e mais eficaz. O método de elaboração de MFV apresentado é baseado nas diretrizes propostas pelo Shook e Rother (1998), mas utilizando termos proposto pelo PMBOK para a gestão de projectos. A utilização do PMBOK é explicada pelo reconhecimento de um grande número de gestores de nível mundial, da eficácia de algumas orientações propostas por este guia. A utilização conjunta do PMBOK e filosofia do Lean no desenvolvimento da MFV tem como objectivo padronização do método de elaboração do MFV. Os casos de estudos realizados tiveram como base a comparação entre MFV preparado com e sem o método proposto. Esta comparação é possível porque as actividades eram semelhantes, na quantidade de trabalho e da cadeia de sub-actividades. No caso de estudo foi observado que o desenvolvimento da MFV com o método proposto torna a ferramenta mais Lean, na sua vertente de elaboração, fica mais rápida, e na vertente de qualidade do mesmo, por ter mais informação, o que possibilita a sua melhor utilização para a passagem para o MFV futuro.
Khoogar, Saman. "Mot en standardiserad NCC Projektstudio". Thesis, Högskolan i Gävle, Avdelningen för bygg- energi- och miljöteknik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-22078.
Texto completoAtt leverera kostandeffektiva och felfria produkter som lever upp till kundernas önskemål och behov under den bestämda tidsramen är projekteringsgruppens främsta mål. Då dagens projektering innefattar tiotal konsulter med olika expertis som tillför nya kunskaper i skiftande faser krävs allt bättre kommunikation och informationsöverföring mellan berörda aktörer. Således har NCC tagit fram projekteringsmetodiken NCC Projektstudio (PS) som har influenser av Lean Construction och Lean filosofin. Syftet med detta examensarbete är att identifiera vilka förbättringsmöjligheter leder till underlättning av konsulternas involvering i det tidiga skedet inför PS-projekt men också under hela projekteringsfasen. Arbetet omfattas av en bakgrundstudie som behandlar de viktiga grundprinciper bakom projekteringsmetodiken NCC Projektstudio samt en intervjustudie. En helhetsbedömning av bakgrundstudien och intervjustudien tyder på ett gemensamt önskemål från samtliga parter att det krävs större tydlighet, i så tidigt skede som möjligt. Detta ska leda till bättre förutsättningar för konsulternas involvering i det tidiga projekt skedet.
Eriksson, Michaela. "Utvärdering av byggprojekts tillämpning av Lean Construction i produktionen : framtagning av en mognadsmodell". Thesis, Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-76078.
Texto completoIn comparison to the manufacturing industry, with companies such as Toyota in the lead, the construction industries attempt to increase productivity has remained low for the past 40 years. The manufacturing industry has achieved great results by working with Lean Production. Lean at is core is about minimise waste and maximise value. Waste comes in many forms, and one definition is the eight wastes of Lean: overproduction, waiting, transportation, extra processing, inventory, motion, defects and non-utilized talent. The objective with the master thesis was to develop a maturity model that evaluate construction sites involvement with Lean Construction based on the eight wastes of Lean, and that it should be possible to use the model as a template for improvements. The master thesis, which foremost has a qualitative research strategy, is an exploratory study that has answered on how construction sites can be assessed by Lean with the base of the eight wastes of Lean. The research approach is deductive since the maturity model has been devel- oped by using existing theory in order to assess construction sites in real situations. To ensure validity a work procedure by triangulation has been used. The supervisors reviewing the work has also contributed to the validity. The reliability has been sought by documentation and con- tact with supervisors continuously. The maturity model consists of 20 categories that in different ways has a base in the eight wastes of Lean. These categories are assessed by a level scale 1-5, where level one is the lowest im- plementation, and level five is the highest implementation. The results from the assessments showed that there are differences between the construction sites even though they are performed by the same company, and that there is potential for improvements. The analysis suggests that the majority of the categories need some sort of modification. Mainly by sectioning some categories into two or more categories, or reformulation of categories that did not work based on reality that appeared during the site visits. It also appeared that some categories overlapped each other, and that it was hard remembering all the categories with its descriptions when testing the model. This imply that the model should be more compact and less limiting. The maturity model was also analysed by an analysis model to investigate when a maturity model like the one that has been developed could be used. The master thesis would have improved if it had been performed with a co-writer since a qual- itative study like this result in subjectivity which had been more objective if there would have been two perspective. The base for the maturity model which was the eight wastes of Lean is considered, now afterwards, to be a little too narrow since there is other areas in Lean Con- struction which are considered to be important, such as security. If the maturity model would have been tested before the primary assessments it could have been realised and thereby mod- ified before the site visits. More development and research have to be done after this thesis is presented. There are five focus areas which should be included in a maturity model in order to assess the application of Lean Construction, these could be divided into several categories as long as they aren’t too extensive. The result shows that there is a difference between the investigated build- ing productions in four categories, but the reason behind this is unknown. The maturity model has been developed in such a way that it can be used in the improvement work and the devel- opment of the application of Lean Construction.
Storm, Andreas. "Effektivisering av parkeringshusbyggnationer: En fallstudie av spännbalkssystem". Thesis, Luleå tekniska universitet, Industriellt och hållbart byggande, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-81221.
Texto completoATTERSTRÖM, VICTOR y HENRIC THEORIN. "Continuous Improvements – The Key to Industrial Construction in Practice? : A case study at a large Swedish construction firm". Thesis, KTH, Industriell Management, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-159075.
Texto completoThe construction industry has during a long time suffered from poor development in productivity compared to other industries, especially the manufacturing industry. Many initiatives for industrialization have been made during the past decade in order to benefit from standardized products and processes, in Sweden most notably through "Miljonprogrammet" in the 1960s. This era was heavily influenced by the prevailing production philosophy in the manufacturing industry at the time - mass production. Today the industrialization initiatives are based on concepts from lean production where the focus is upon eliminating all forms of waste through what is related to as industrial construction. This report is based on the purpose to, using lean philosophies and tools, investigate how concepts from industrial construction is applied in the production of residential buildings using prefabricated concrete elements. The perspective of lean production is chosen because it is suitable for the study of value flows, especially in a production environment. One of the largest Swedish construction firms - NCC AB, currently deploys technical platforms and conceptual products in order to industrialize the processes used to construct rental housing with production cost and time reduction in focus. One of the key components used are prefabricated concrete elements which means the company is suitable as a case study. Some of the main results extracted through this research is that the studied company and in extension the entire construction industry performs poorly in terms of continuous improvements. This could be a main explanation for the industry’s productivity development in comparison with other industries, especially the manufacturing industry. Further, three areas of particular importance are derived from the case study and compared to theory within industrial construction. These areas are, in this report, labeled pillars for industrialization and it is argued for that these pillars needs to be considered in order to enable a successful industrialized construction process.
Pagano, Nicola. "Innovazione e produttività nel settore delle costruzioni: applicazione dell'approccio Lean Construction". Master's thesis, Alma Mater Studiorum - Università di Bologna, 2022.
Buscar texto completoMahashabde, Vedangi. "Comparison of Lean Construction in India and United States of America". TopSCHOLAR®, 2016. http://digitalcommons.wku.edu/theses/1728.
Texto completoDugme, Fatma Zehra. "A Guide For Construction Companies T Apply Lean Six Sigma Methodology". Master's thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/3/12609465/index.pdf.
Texto completogME, Fatma Zehra M.S., Department of Civil Engineering Supervisor: Asst. Prof. Dr. Yasemin NIELSEN April 2008, 245 pages The construction sector is an immensely important industrial sector in terms of economic and social impact and also employment facilities. Nonetheless, much research has pointed out a gap in terms of labor productivity, quality, performance and responsiveness to customer needs when compared with other large industrial sectors
sectors that have recently experienced huge gains and cost reductions via methods like Lean Six Sigma. In this study, the construction industry will be examined for determination of the potential Lean Six Sigma implementation level and expected benefits from its use. The author conducted interviews with three companies in order to find out their readiness for such a management by innovation. One of the companies was selected for further study due to suitability of their organizational structure, innovative strategy and interest in this study. By taking up this pilot study and Lean Six Sigma principles as references, five roadmaps are generated as a guidance to implement Lean Six Sigma methodology for companies indicating the general steps before and during the implementation. The proposed roadmaps and applied questionnaire/interview questions developed in this thesis will also be helpful to construction companies to scrutinize their own structure and performance levels and as a guide on how to pursuit improvements through the proposed implementation of the Lean Six Sigma methodology.
Rodewohl, Christoph Friedrich. "The presence of Lean Construction principles in Norways transport infrastructure projects". Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for bygg, anlegg og transport, 2014. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-27095.
Texto completoGustafsson, Fredrik. "EFFEKTIVARE MATERIALHANTERING I PRODUKTIONEN HOS SMÅBYGGFÖRETAG- MED HJÄLP AV LEAN CONSTRUCTION". Thesis, Tekniska Högskolan, Högskolan i Jönköping, JTH, Byggnadsteknik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-30408.
Texto completoSyfte: Byggbranschen i Sverige har under en längre tid haft högre och ökandeproduktionskostnader jämfört med övrig industri. Byggkostnader för bostadsbyggandehar på senare år ökat samtidigt som produktiviteten i byggbranschen varit relativtoförändrad sedan 1990-talet. 10 % av byggkostnaderna utgörs av ineffektiv materialhantering.För att förbättra produktionen har på senare decennier kvalitetssystem såsom Lean Construction blivit etablerat inom stora företag, men har inte riktigt fått något genomslag hos små och mellanstora företag. Syftet med studien har varit attundersöka hur förbättringsverktyg så som 5S kan användas av små byggföretag för att skapa en mer effektiv materialhantering. Metod: En fallstudie har utförts på ett litet byggföretag. Metoder som använts istudien var litteraturstudier för att utreda kunskapsfronten inom området, semistruktureradeintervjuer med ägare, arbetsledare och byggnadsarbetare i företaget samt ostrukturerade observationer på två byggarbetsplatser. Resultat: I studien undersöktes hur Lean-verktyget 5S kan anpassas för att användasav ett litet byggföretag för att mottagning och förflyttning av material. Först identifierades slöserier i materialhanteringen i form av onödiga moment vilka skaparonödiga kostnader. Slöserierna bestod av onödiga transporter eller förflyttningar ochonödigt stora materiallager. Studien visar även att rutiner för hur materialhanteringska skötas saknades i företaget. Därefter togs ett teoretiskt förslag fram för hur dessaslöserier skulle kunna minskas. Förslaget utgörs av en checklista baserad på 5S ochstudiens empiri. Checklistan är avsedd att standardisera arbetssättet förmaterialmottagning och materialförflyttning. Implementering av checklistan kan skevid både större och mindre byggprojekt. Till sist redovisas kraven hos ett litetbyggföretag för att kunna införa ett förbättringsverktyg i företaget. Det som krävs ären vilja i organisationen till förändringen och resurser i form av tid, ekonomi ochpersonal som kan arbeta aktivt med förändringen. Konsekvenser: Genom att använda checklistan vid planering av en byggarbetsplatsorganisering säkerställs att material placeras på korrekt plats och i korrekt ordning,vilket är syftet med 5S. Detta minskar förflyttningar som måste göras av materialet.Vid produktionen används checklistan för mottagning av material vilket bidrar till attmaterial placeras korrekt och förvaras på rätt sätt. Detta leder till att minska kassationav material. Genom att tillämpa detta medför rutinen att onödiga kostnader minskas vilket bidrar till att den totala byggkostnaden av projektet minskar. Begränsningar: Fallstudien undersöker endast ett litet byggföretag och är därmedinte applicerbar på stora byggföretag. Även andra små byggföretag kan ha andraförutsättningar än företaget som studerats. Fallstudien bygger på intervjuer ochobservationer. Fokus har lagts på 5S som verktyg ur Lean Construction och ingetannat verktyg har undersökts. Hänsyn tas inte till personalens ergonomi vidmaterialhantering. Slutligen är förslaget som tagits fram i studien teoretiskt och harinte tillämpats praktiskt på grund av studiens omfattning. Nyckelord: Lean Construction, 5S, SMF, byggbranschen
Ogunbiyi, Oyedolapo Ekundayo. "Implementation of the lean approach in sustainable construction : a conceptual framework". Thesis, University of Central Lancashire, 2014. http://clok.uclan.ac.uk/10563/.
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