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CLT in Canada - Activities, Achievements and Projects
http://neesclt.mines.edu/content/ppt3.pdf... [Other] [Presentation] 2014 Marjan Popovski ... |
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Performance Expectations and Codifying Efforts in the U.S.
http://neesclt.mines.edu/content/ppt4.pdf... [Other] [Presentation] 2014 John W. van de Lindt, M. Omar Amini ... |
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Seismic Resilient Systems: Concepts and Challenges
http://neesclt.mines.edu/content/ppt6.pdf... [Seismic Performance] [Presentation] 2014 James D. Dolan; James M. Ricles; Richard Sause; Jeffery Berman Content will include background of seismically resilient structural systems that can be applied to CLT.... |
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Potential of cross laminated timber in single family residential construction
https://dspace.library.colostate.edu/bitstream/han... [Economics/Costs] [Thesis/Dissertation] 2016 Brad Burback Cross laminated timber (CLT) is a panelized engineered wood product that is gaining popularity in the United States as a structural material for massive timber buildings. CLT is shown to be cost competitive to steel and concrete in large building construction projects, but is seen as uncompetitive for smaller scale projects, especially light frame wood (LFW) residential construction. The purpose of this study is to provide a detailed comparison of the cost to construct a CLT home versus a LFW ho... |
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Structural performance of box based cross laminated timber system used in floor applications
https://open.library.ubc.ca/cIRcle/collections/ubc... [Alternative/Hybrid Configurations] [Thesis/Dissertation] 2011 Yue Chen The current outbreak of Mountain Pine Beetle (MPB) in the province of British Columbia (B.C.) is the most extensive disturbance event occurring in North American forests in recorded history. The concept of converting the beetle killed wood into engineered wood products by defect removal and reconstitution is employed to maximize value recovery from the material. Cross Laminated Timber (CLT), which is produced in modular form and can be utilized as part of a structural system for floor, wall or r... |
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Influence of Orientation and Number of Layers on the Elastic Reponse and Failure Modes on CLT Floors: Modeling and Parameter Studies
https://link.springer.com/content/pdf/10.1007%2Fs0... [Mechanical Performance] [Journal Article] 2016 Lorenzo Fanzoni, Arthur Lebee, Florent Lyon, Gilles Foret In the present paper, the bending behavior of Cross Laminated Timber panels is investigated by means of the linear elastic exact solution from Pagano (1970, 1969). The resulting stresses are the input for a wood failure criterion, which can point out the first-crack load and the respective dominant failure mode. Heterogeneous layers are modeled as equivalent and homogeneous layers. This simplified and deterministic modeling gives results in good agreement with a reference experimental test. A co... |
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Cross Laminated Timber: A competitive wood product for visionary and fire safe buildings
http://www.cost.eu/media/publications/Cross-Lamina... [General Information] [Conference Paper] 2016 Andreas Falk, Philipp Dietsch, Joachim Schmid This conference has compiled knowledge about the material and its use, focusing on the design of CLT structures in ambient and fire situations. To this aim, two COST Actions – FP1402 Basis of structural timber design – from research to standards, and FP1404 Fire Safe Use of Bio-Based Building Products – joined efforts to provide contributions and presentations from world leading experts and to bring together expert communities to realize a scientific discourse on these important and interdiscipl... |
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Economic Use of Beetle‐Killed Trees
https://www.fpl.fs.fed.us/documnts/statusreports/f... [Raw Materials] [Report] 2011 Forest Products Laboratory ... |
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Fire Behavior of Cross-Laminated Timber (CLT) Slabs: Two-Way Action
https://link.springer.com/content/pdf/10.1007%2F97... [Fire Performance] [Journal Article] 2017 Nicholar Doyle, Richard Emberely, Jose L. Torero Two-way action is often stated to be a major benefit of cross-laminated timber; however, it is seldom considered when designing tall timber buildings. A research project has been carried out to investigate this inconsistency with the objective of understanding the significance of cross-laminated timber slabs acting as two-way members. This objective was met through semi-parametric analytical modeling carried out in conjunction with bending tests on small-scale, three-layer cross-laminated timber... |
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Description of small and large-scale cross laminated timber fire tests
https://ac.els-cdn.com/S0379711217300954/1-s2.0-S0... [Fire Performance] [Journal Article] 2017 Richard Emberley, Carmen Gorska Putynska, Aaron Bolanos, Andrea Lucherini, Angela Solarte, Diana Soriguer, Mateo Gutierrez Gonzalez, Katheryn Humphreys, Juan P. Hidalgo, Cristian Maluk, Angus Law, Jose L. Torero A large-scale fire test was conducted on a compartment constructed from cross laminated timber (CLT). The internal faces of the compartment were lined with non-combustible board, with the exception of one wall and the ceiling where the CLT was exposed directly to the fire inside the compartment. Extinction of the fire occurred without intervention. During the fire test, measurements were made of incident radiant heat flux, gas phase temperature, and in-depth temperature in the CLT. In addition, ... |
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Timber Awakening in America
http://www.forestprod.org/assets/wdf/Archive/WDF%2... [General Information] [Journal Article] 2016 Gerald A. Epp Being endowed with a wealth of timber, America has a long history of its use in construction. By the end of the nineteenth century, cities were building multi-storey commercial buildings using heavy timber, and, because of fire concerns, were building large floor plates out of what we would now call mass timber. With advances in structural steel and then reinforced concrete, such use died out. However, the recent development in Europe of prefabricated mass wood panels, along with wood’s natural ... |
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High Performance Cross-Laminated-Timber Shear Connection with Self-Tapping Screw Assemblies
http://schd.ws/hosted_files/wcte2014/4e/ABS353_Dan... [Connectors] [Conference Paper] 2014 Ilana Danzig, Maximilian Closen, Thomas Tannert The research presented in this paper examines the performance of a shear connection using self-tapping screws (STS) in 3-ply Cross-Laminated Timber (CLT) panels. CLT panels were connected with STS assemblies at an inclined angle in two directions. The capacity of the STS assemblies was tested for the purpose of designing a CLT roof diaphragm of a large storage facility where a high-performance and low-manufacturing-cost solution was required. A total of eleven full-scale specimens were subjected... |
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Tall Building in Numbers
http://global.ctbuh.org/resources/papers/3350-TBIN... [Tall Buildings] [Report] 2017 CTBUH Journal In the past few years, the tall building industry has become increasingly interested in the use of timber as a major structural element in skyscrapers. This has resulted in a now-worldwide wave of research, built projects, and ever more daring speculative proposals using mass timber - engineered wood products that are just as robust as their concrete and steel counterparts. This study examines recently completed and under construction timber structure buildings as well as a wave of new proposals... |
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Tall, cross-laminated and massive timber buildings: A United States perspective
https://search.proquest.com/docview/1784209679?pq-... [Markets] [Thesis/Dissertation] 2016 Hannah K. d'Errico This research was conducted to discover how the U.S. building construction and forest products sectors could benefit from the development of tall, cross-laminated (CLT) and mass timber buildings. Barriers that may restrict such development were also investigated. The primary benefits were discovered to be eco-performance and job creation. Code restrictions and material performance misconceptions were found to be the largest obstacles. Case studies of Treet, Tamedia, and the WIDC were conducted t... |
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Understanding Fire Performance of Wood-Concrete Composite Floor Systems
https://www.researchgate.net/publication/311607518... [Fire Performance] [Conference Paper] 2016 Christian Dagenais, Lidsay Ranger, Samuel Curerrier-Auclair Three timber-concrete composite floor assemblies were evaluated for fire performance to understand how shear connectors might impact heat transfer into the assemblies. The floor assemblies tested included a CLT- concrete floor with self-tapping screws, a screw-laminated 2x8-concrete using truss plates, and a LVL-concrete using lag bolts as shear connectors. During the fire-resistance testing, minimal heat transfer was observed into the concrete topping and overall the assemblies performed very w... |
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Fundamentals for the Fire Design of Cross Laminated Timber Buildings
https://espace.library.uq.edu.au/view/UQ:418246/s4... [Fire Performance] [Thesis/Dissertation] 2017 Richard L. Emberley A timber renaissance has occurred in the built environment in an effort for architectural freedom and increased sustainable construction. Current building codes place limits on the extent to which timber can be exposed. Overall building heights and floor areas are capped due the perception that timber burns continuously. Original fire resistance requirements were derived on the concept of complete burnout of the fuel within a compartment. Whether non-combustible or combustible materials are used... |
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Portfolio: Stadthaus, Murray Grove
http://www.klhuk.com/portfolio/residential/stadtha... [Commercial/Company Information] [Web Page] 2015 KLH-UK Constructed entirely in timber, the nine-storey high-rise in Hackney is the pioneer of timber residential tower buildings in the world. Comprising private and affordable housing, Murray Grove will provide twenty nine apartments. The KLH cross laminated solid timber panels form a cellular structure of timber load bearing walls, including all stair and lift cores, with timber floor slabs.... |
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Experimental study of cross-laminated timber wall panels
https://link.springer.com/content/pdf/10.1007%2Fs0... [Mechanical Performance] [Journal Article] 2009 Johan Vessby,Bertil Enquist,Hans Petersson,Tomas Alsmarker The use of cross-laminated structural timber elements is becoming increasingly popular. The number of layers varies normally from three upwards. The structural performance of five-layer cross-laminated timber elements was investigated. The five layers consisted of 19 mm thick boards, laid successively at right angles to each other and glued together with PU-adhesive, layers 1, 3 and 5 lying in one direction and layers 2 and 4 in the other. The stiffness and strength of four cross-laminated timbe... |
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Rolling Shear Stregths of Southern Pine Cross Laminated Timber
http://www.forestprod.org/assets/wdf/Archive/WDF%2... [Mechanical Performance] [Journal Article] 2016 Mengzhe Gu,Weichiang Pang Cross-laminated timber (CLT) is a relatively new engineered wood product. While CLT has gained acceptance and utilization in Europe, Australia and other countries, its applications in the United States are limited. Limited information is available on CLT made from US wood species. This paper presents the rolling shear test results of CLT panels made using one of the US wood species, Southern Pine (SP). Four types of adhesive, namely Melamine Formaldehyde (MF), Phenol Resorcinol Formaldehyde (PRF... |
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D.R. Johnsons Engineered CLT
http://oregonclt.com... [Commercial/Company Information] [Web Page] 2017 D.R. Johnson ... |
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