Дисертації з теми "Cross-laminated timber panels"
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Logawa, Banda. "Improving the sound absorption of cross-laminated timber panels using resonant absorbent layer." Thesis, University of British Columbia, 2017. http://hdl.handle.net/2429/61947.
Повний текст джерелаApplied Science, Faculty of
Mechanical Engineering, Department of
Graduate
Pearson, Hannah. "Strut and tie modelling of cross-laminated timber panels incorporating angular material properties." Thesis, University of Bath, 2015. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.667741.
Повний текст джерелаArchila, Santos Hector Fabio. "Thermo-hydro-mechanically modified cross-laminated Guadua-bamboo panels." Thesis, University of Bath, 2015. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.675700.
Повний текст джерелаDecker, Brandon T. "In-Plane Lateral Load Capacities of Vertically Oriented Interlocking Timber Panels." BYU ScholarsArchive, 2014. https://scholarsarchive.byu.edu/etd/5304.
Повний текст джерелаFranzoni, Lorenzo. "Mechanical behavior of regularly spaced Cross Laminated Timber panels : Modeling and experimental validation in ambient and fire conditions." Thesis, Paris Est, 2016. http://www.theses.fr/2016PESC1113/document.
Повний текст джерелаCross Laminated Timber (CLT, or crosslam) panels are engineered timber products composed of layers made of wooden lamellas placed side by side, glued on their upperand lower faces and stacked crosswise. In the present thesis, the influence of lateral spaces between lamellas of each layer on the panel’s mechanical response is investigated with modeling and tests. Both configurations of standard panels having short spaces and innovative CLT panels with large spaces are analyzed.As a first approach, the bending behavior of standard crosslam was modeled by means of an equivalent-layer model based on simplified hypotheses on mechanical properties of laterally glued or unglued layers. The good agreement of the predicted behavior with an experiment of the literature finally allowed an investigation on several CLT properties by means of parameter studies.Then, 4-points bending tests on standard and innovative CLT floors were performed in order to quantify the influence of periodic spaces on the panels' mechanical response. It appears that the influence of transverse shear effects on the elastic and failure behavior of spaced CLT increases with the increasing spaces between boards.In order to take into account transverse shear effects, spaced CLT have been modeled as periodic thick plates by means of a higher-order plate theory for laminated plates. This model has been applied to the geometry of spaced CLT with a periodic homogenization scheme. Existing simplified methods for spaced crosslam were compared as well with refined modeling and test results. Moreover, available in-plane shear tests of the literature have been compared to the modeling results. It appears that the bending behavior of spaced CLT can be predicted with simplified existing approaches, while only the more refined modeling can predict the in-plane and transverse shear behavior. Then, closed-form solutions for predicting spaced CLT elastic behavior were derived in order to encourage the application of spaced CLT panels in modern timber construction.One further study within this thesis concerns the analysis of fire-exposed standard CLT floors. The comparison between test results and both advanced and simplified modeling led to a suggestion for a possible improvement the standard fire design model
Vessby, Johan. "Shear walls for multi-storey timber buildings." Licentiate thesis, Växjö University, School of Technology and Design, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:vxu:diva-2420.
Повний текст джерелаWind loads acting on wooden building structures need to be dealt with adequately in order to ensure that neither the serviceability limit state nor the ultimate limit state is exceeded. For the structural designer of tall buildings, avoiding the possibly serious consequences of heavy wind loading while taking account at the same time of the effects of gravitation can be a real challenge. Wind loads are usually no major problem for low buildings, such as one- to two-storey timber structures involving ordinary walls made by nailing or screwing sheets of various types to the frame, but when taller structures are designed and built, serious problems may arise.
Since wind speed and thus wind pressure increases with height above the ground and the shear forces transmitted by the walls increase accordingly, storey by storey, considerable efforts can be needed to handle the strong horizontal shear forces that are exerted on the bottom floor in particular. The strong uplift forces that can develop on the wind side of a structure are yet another matter that can be critical. Accordingly, a structure needs to be anchored to the substrate or to the ground by connections that are properly designed. Since the calculated uplift forces depend very much upon the models employed, the choice of models and simplifications in the analysis that are undertaken also need to be considered carefully.
The present licentiate thesis addresses questions of how wind loads acting on multi-storey timber buildings can be best dealt with and calculated for in the structural design of such buildings. The conventional use of sheathing either nailed or screwed to a timber framework is considered, together with other methods of stabilizing timber structures. Alternative ways of using solid timber elements for stabilization are also of special interest.
The finite element method was employed in simulating the structural behaviour of stabilizing units. A study was carried out of walls in which sheathing was nailed onto a timber frame. Different structural levels were involved, extending from modelling the performance of a single fastener and of the connection of the sheathing to frame, to the use of models of this sort for studying the overall structural behaviour of wall elements that possess a stabilizing function. The results of models used for simulating different load cases for walls agreed reasonably well with experimental test results. The structural properties of the fasteners binding the sheathing to the frame, as well as of the connections between the members of the frame were shown to have a strong effect on the simulated behaviour of shear wall units.
Regarding solid wall panels, it was concluded that walls with a high level of both stiffness and strength can be produced by use of such panels, and also that the connections between the solid wall panels can be designed in such a way that the shear forces involved are effectively transmitted from one panel to the next.
Svensson, Meulmann Sebastian, and Egzon Latifi. "Modelling and testing of CLT panels for evaluation of stiffness." Thesis, Linnéuniversitetet, Institutionen för byggteknik (BY), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-104766.
Повний текст джерелаVessby, Johan. "Analysis of shear wallsfor multi-storey timber buildings." Doctoral thesis, Linnéuniversitetet, Institutionen för teknik, TEK, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-11489.
Повний текст джерелаGavric, Igor. "Comportamento sismico di edifici lignei a pannelli in legno lamellare incrociato." Doctoral thesis, Università degli studi di Trieste, 2013. http://hdl.handle.net/10077/8638.
Повний текст джерелаCross-laminated timber, also known as X-Lam or CLT, is well established in Europe as a construction material. Recently, implementation of X-Lam products and systems has begun in countries such as Canada, United States, Australia and New Zealand. So far, no relevant design codes for X-Lam construction were published in Europe, therefore an extensive research on the field of cross-laminated timber is being performed by research groups in Europe and overseas. Experimental test results are required for development of design methods and for verification of design models accuracy. This thesis focuses on the continuation of SOFIE research project which started in 2005, conducted by IVALSA Trees and Timber Research Institute (San Michele all' Adige, Trentino, Italy). The aim of this project is the development of multi-storey timber building systems using prefabricated cross-laminated panels. As several parts of Italy are earthquake-prone areas, seismic resistance of such building system has to be ensured. Thus, within the scope of the SOFIE project, an extensive experimental research on seismic resistance of X-Lam building system has been performed. The project started with performance of racking tests on wall panels with different layouts of connections and openings and pseudo-dynamic tests on a full scale one-storey building, continued with shaking table tests on a 3-storey building and on a 7-storey building, the latter one conducted at E-Defense facility in Miki, Japan. Experimental tests provided excellent outcomes, as the buildings were able to survive a series of strong recorded earthquakes, such as Kobe earthquake (1995), virtually undamaged, while at the same time demonstrating significant energy dissipation. In the scope of this thesis, an extended experimental programme on typical X-Lam connections was performed at IVALSA Research Institute. In addition, cyclic tests were carried out on full-scale single and coupled cross-lam wall panels with different configurations and mechanical connectors subjected to lateral force. The outcomes of these tests were used for evaluation of mechanical properties, ductility ratio, energy dissipation, and impairment of strength, which are all needed in seismic design and are currently not provided by codes of practice such as the Eurocode 8. In addition, analytical models to predict stiffness and strength at different building levels such as connections, wall systems and entire buildings were developed. Further, capacity design method for X-Lam buildings was introduced and was verified with extensive database of experimental results. In the capacity design, overstrength factors are needed, thus these factors were evaluated based on experimental tests on X-Lam subassemblies. Experimental results served also for calibration of advanced component FE models for non-linear static and dynamic numerical analyses of X-Lam walls and buildings, developed at the University of Trieste. Numerical analysis of X-Lam wall systems using the FE model was carried out in order to extend the results of the experimental tests to different configurations of technical interest. Outcomes of the parametric study provided better understanding of the seismic behaviour and energy dissipation capacities of X-Lam wall systems. It was concluded that the numerical and analytical models, presented in this thesis, are a sound basis for determining the seismic response of cross-laminated timber buildings. However, future research is required to further verify and improve these prediction models.
XXV Ciclo
1985
RIU, RICCARDO. "Caratterizzazione di pannelli x-lam in pino marittimo sardo." Doctoral thesis, Università degli Studi di Cagliari, 2016. http://hdl.handle.net/11584/266697.
Повний текст джерелаBuck, Dietrich. "Mechanics of Cross-Laminated Timber." Licentiate thesis, Luleå tekniska universitet, Träteknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-68729.
Повний текст джерелаExternal cooperation: Martinson Group AB and Research Institutes of Sweden (RISE)
Richardson, Benjamin Lee. "Examination of the Lateral Resistance of Cross-Laminated Timber in Panel-Panel Connections." Thesis, Virginia Tech, 2015. http://hdl.handle.net/10919/56969.
Повний текст джерелаMaster of Science
Bednář, Jiří. "Bytový dům ve svahu." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2014. http://www.nusl.cz/ntk/nusl-226789.
Повний текст джерелаBartošová, Andrea. "Občanská stavba." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2020. http://www.nusl.cz/ntk/nusl-409977.
Повний текст джерелаPassarelli, Rafael Novais. "Cross laminated timber: diretrizes para projeto de painel maciço em madeira no Estado de São Paulo." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/102/102131/tde-06052014-145836/.
Повний текст джерелаThe work aims to establish guidelines for cross laminated solid timber panel design, suitable to the forestry industry in São Paulo. It intendeds to contribute for knowledge diffusion about this building system and enhancing the discussion on timber construction in Brazil. First, the research\'s scope was explained as well as its main questions, hypothesis and objectives. Then, the main features of different types of cross laminated solid timber panels and it\'s production process were analysed. Information on the basic features and production process of five different products were gathered: Mayr Melnhof Holz BSP, Novatop Solid, Massivholz Mauer, Holz 100 and MassiveWand 5. Hereafter, a comparative analysis between the forestry industry in Austria, currently the largest cross laminated timber producer in Central Europe, and the State of São Paulo was developed. The analysis was divided into two stages: in the first stage, forest reserves and timber industry in Austria and in the State of São Paulo were investigated; in the second stage, cost estimates for the production of a solid timber vertical element in Vienna and in the metropolitan area of São Paulo were developed. Finally, all the information gathered previously was used in order to establish design guidelines for cross laminated solid timber panel relating product\'s design influence on the production process and the possibilities and limitations offered by the forestry industry in São Paulo. The guidelines were developed from the point of view of timber utilisation, panel design and its adaptation to São Paulo\'s forestry industry. Then, a preliminary solid wood panel proposal has been developed as a way to synthesise the guidelines set previously.Information for the research was obtained through factory visits, theses and related publications and research on the manufactures website.
Hartman, František. "Energeticky efektivní horská chata." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2017. http://www.nusl.cz/ntk/nusl-265229.
Повний текст джерелаStančík, Adam. "Mateřská škola v Novém Jičíně." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2015. http://www.nusl.cz/ntk/nusl-227500.
Повний текст джерелаZemla, Kinga. "The right to one's home." Thesis, KTH, Arkitektur, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-281402.
Повний текст джерелаNolet, Vincent. "Analytical Methodology to Predict the Behaviour of Multi-Panel CLT Shearwalls Subjected to Lateral Loads." Thesis, Université d'Ottawa / University of Ottawa, 2017. http://hdl.handle.net/10393/36999.
Повний текст джерелаPotůčková, Kristýna. "Horečky." Master's thesis, Vysoké učení technické v Brně. Fakulta architektury, 2018. http://www.nusl.cz/ntk/nusl-377207.
Повний текст джерелаHorká, Petra. "Sportovní hala." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2012. http://www.nusl.cz/ntk/nusl-225530.
Повний текст джерела