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What is cross-laminated timber (CLT)?
http://awc.org/faqs/materials/clt/what-is-cross-la... [General Information] [Web Page] 2013 American Wood Council Cross Laminated Timber (CLT) is a prefabricated engineered wood product consisting of at least three layers of solid-sawn lumber or structural composite lumber where the adjacent layers are cross-oriented and bonded with structural adhesive to form a solid wood element. ... |
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Future now: Examining the changing architecture of the city
https://www.pbctoday.co.uk/news/planning-construct... [General Information] [Magazine/Newspaper Article] 2017 Planning & Building Control Today From rotating apartment blocks to open-sided office buildings – what does the future hold for the architecture of the city? Oasys – specialists in building design software – explore some new cutting-edge structures and how they have become a reality... |
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City of Saint John the First Municipality in Atlantic Canada to Adopt Wood Mid-R
https://cwc.ca/wp-content/uploads/2017/03/City-of-... [Case Study/Projects] [Magazine/Newspaper Article] 2017 Natalie Tarini The Canadian Wood Council (CWC), along with Atlantic Wood WORKS! , congratulates the City of Saint John on its decision to adopt the 2015 National Building Code provisions to allow wood mid-rise (5- and 6-storey) construction. Joining the list of other jurisdictions such as Québec, Ontario, Alberta and British Columbia, Saint John is the first Atlantic Canada city to make the decision to provide builders with a new construction choice for taller mid-rise buildings that should also increase affor... |
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Optimal design of tuned mass dampers for a multi‐storey cross laminated timber b
https://onlinelibrary.wiley.com/doi/full/10.1002/e... [Vibration/Acoustic Performance] [Journal Article] 2016 In this paper, the effectiveness of different design solutions for tuned mass dampers (TMD) applied to high‐rise cross‐laminated (X‐Lam) timber buildings as a means to reduce the seismic accelerations was investigated. A seven‐storey full‐scale structure previously tested on shaking table was used as a reference. The optimal design parameters of the TMDs, i.e. damping and frequency ratios, were determined by using a genetic algorithm on a simplified model of the reference structure, composed by ... |
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New UBC Student Residence to be Among World۪s Tallest Wood Buildings
https://www.naturallywood.com/resources/news/new-u... [Case Study/Projects] [Magazine/Newspaper Article] 2015 naturally: wood One of the tallest wood buildings in the world will soon be constructed at the University of British Columbia (UBC), providing housing for hundreds of students. When completed, the $51.5-million residence building will stand 53 metres tall (about 174 feet).... |
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Hybrid Construction
https://www.naturallywood.com/emerging-trends/hybr... [Alternative/Hybrid Configurations] [Web Page] naturally:wood Using the combination of wood, concrete and steel provides a cost-effective and sustainable solution to building structures as well as options to improve building performance and design. Hybrid construction is the combination of different materials or techniques to design a range of building types. By utilizing the strength and unique properties of different materials, architects and specifiers have an opportunity to construct taller and larger buildings. Often, a hybrid system will require pref... |
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Canada Tops Out Worlds Tallest Wood-Frame Building | PlanetSave
http://planetsave.com/2016/10/19/canada-tops-world... [Markets] [Others] Minister Carr stated, “This remarkable building, the first of its kind in the world, is another shining example of Canadian ingenuity and innovation, an apt demonstration of how Canada’s forest industry is finding new opportunities through technology and innovation — opening up a world of possibilities for our forest and construction industries.” By launching the Tall Wood Building Demonstration Initiative, Canada is actively working to expand the North American market for Canadian wood product... |
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Updating Code Conforming Wood Designs
http://www.constructionspecifier.com/updating-code... [Standards/Building code] [Magazine/Newspaper Article] 2016 Kenneth E. Bland Designing large buildings with wood offers distinct design options typically not found in other structural materials, along with advantages in economics, energy efficiency, and other sustainability factors. However, building codes and standards are often perceived as too complex for designers and builders, so many provisions that allow for wood use in construction are seldom realized. The American Wood Council (AWC) has developed a document to demonstrate that modern building codes allow large,... |
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Effect of silvicultural practices on the physical and mechanical properties of lake states hardwoods
https://www.fpl.fs.fed.us/products/publications/sp... [Raw Materials] [Report] 2017 Dickinson, Yvette, Xiping Wang, Jan Wiedenbeck Wood quality is an important determinant of its end use and therefore its value. Recent proliferation of novel engineered wood products has created new potential uses for wood. However, a greater understanding of wood quality is needed to allow continued development of these novel wood products. For example, a number of tree species typical of northern hardwood forests (such as sugar maple, American beech, and yellow birch) have been utilized primarily for aesthetic applications and have therefo... |
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Updated report on the fire resistance of exposed wood members released
http://awc.org/news/2015/10/05/updated-report-on-t... [Fire Performance] [Web Page] 2015 American Wood Council The American Wood Council (AWC) has released a revised Technical Report 10 (TR10): Calculating the Fire Resistance of Exposed Wood Members. Revisions incorporate new sections that support the use of the mechanics-based design method for design of exposed structural composite lumber (SCL) and cross-laminated timber (CLT) members in accordance with the 2015 National Design Specification® (NDS®) for Wood Construction. “The superior fire performance of timbers can be attributed to the insulating eff... |
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LCT ONE: Case Study of an Eight-Story Timber Office Building
http://www.structuremag.org/?p=644&replytocom=3890... [Case Study/Projects] [Magazine/Newspaper Article] 2013 Nabih Tahan ... |
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Evaluating rolling shear strength properties of cross-laminated timber by short-span bending tests and modified planar shear tests
https://link.springer.com/article/10.1007%2Fs10086... [Mechanical Performance] [Journal Article] 2017 Minghao Li This paper presents an experimental study on rolling shear (RS) strength properties of non-edge-glued cross-laminated timber (CLT) made out of New Zealand Radiata pine (Pinus radiata) structural timber. CLT specimens with 35 and 20 mm thick laminations were studied to evaluate the influence of lamination thickness on the RS strength of CLT. Short-span three-point bending tests were used to introduce high RS stresses in cross layers of CLT specimens and facilitate the RS failure mechanism. Modifi... |
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Fire Tests on Loaded Cross-laminated Timber Wall and Floor Elements
http://iafss.org/publications/fss/11/626... [Fire Performance] [Journal Article] 2014 Michael Klippel, Claude Leyder, Andrea Frangi, Mario Fontana Cross-laminated timber (CLT) panels are relatively new engineered wood products that can be used as load bearing walls, floors and roof elements in innovative and high quality modern timber structures. The fire behavior of cross-laminated timber panels requires careful evaluation to allow the expansion of CLT elements usage in buildings. A University of British Columbia study has been conducted at the Trees and Timber Institute CNR-IVALSA in San Michele all’Adige, Italy to experimentally evaluat... |
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Cross-Laminated Timber
http://www.awc.org/faqs/materials/clt/what-is-cros... [Markets] [Others] Cross Laminated Timber (CLT) is a prefabricated engineered wood product consisting of at least three layers of solid-sawn lumber or structural composite lumber where the adjacent layers are cross-oriented and bonded with structural adhesive to form a solid wood element. The 2015 National Design Specification® (NDS®) for Wood Construction has new provisions for CLT. A new CLT chapter, consistent with other wood product chapters has been added. The applicable product standard for CLT is ANSI/APA ... |
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High quality cross laminated timber from large dimensional timber
https://doi.org/10.1007/s00107-009-0393-2... [Vibration/Acoustic Performance] [Journal Article] 2010 Michael Tratzmiller Cross laminated timber (CLT) is an approved, large scale structural element for wood buildings. Its dimensional stability makes it a suitable building material for multilevel constructions. These structural elements, which are light and thereby highly capable of bearing load, are of advantage for such multilevel constructions. The study shows how light CLT with high stiffness can be produced using specially rift sawn boards with high modulus of elasticity and low density from large dimension tim... |
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Delivery of long-term performance sustainability of massive panel products in tall timber construction
https://futuretimberhub.org/projects/delivery-long... [Environmental Performance] [Others] 2017 Adam Redman This research aims to increase the availability of within-specified performance of structural elements to provide confidence for building professionals and end-consumers to choose and accept tall timber construction structural elements using Australian species. Outcomes from this work will include recommendations for optimum drying techniques and quality assessment techniques to maximise the performance of structural elements for tall timber construction. ... |
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Non-destructive evaluation of elastic material properties and acoustic characterisation of wood based massive panels
https://futuretimberhub.org/projects/non-destructi... [Vibration/Acoustic Performance] [Others] 2017 Henri Bailleres This project aims to develop and optimise a protocol to determine the global stiffness properties of full-scale mass timber panels directly in the production line and to assess their acoustic performance. ... |
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Superior sound isolation of CLT using junction detailing
https://futuretimberhub.org/projects/superior-soun... [Vibration/Acoustic Performance] [Others] 2017 Grant Emms Intertenancy acoustic isolation is an important consideration for multi-storey buildings. At a minimum, building code requirements must be met, and higher quality buildings are expected to have superior acoustic performance.... |
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The behaviour of critical connections and core wall systems in tall timber buildings
https://futuretimberhub.org/projects/behaviour-cri... [Seismic Performance] [Others] 2017 Minghao Li In Australasia, the available mass timber products such as Cross-Laminated Timber (CLT) and Laminated Veneer Lumber (LVL) provide a great opportunity to build tall timber buildings. With increased building height and weight, the lateral performance of the buildings becomes more critical, and robust lateral load design must be achieved for safety and serviceability. ... |
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Pathways to Net Zero Energy for Engineered Wood Multi-storey Buildings in Australian Tropical and Sub-Tropical Climates
https://futuretimberhub.org/projects/pathways-net-... [Environmental Performance] [Others] 2017 Paola Leardini This project takes evidence-based development approach, through simulation and experimental testing of optimised construction systems and details to improve the environmental performance of multi-storey CLT buildings in tropical and sub- tropical climates, with focus on their hygro-thermal behaviour and airtightness.... |
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