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Research Outline of Seismic Standard Development for CLT Construction in Japan

https://research.thinkwood.com/en/permalink/catalogue1645
Year of Publication
2016
Topic
Design and Systems
Seismic
Material
CLT (Cross-Laminated Timber)
Application
Wood Building Systems
Author
Araki, Yasuhiro
Nakagawa, Takafumi
Kawai, Naohito
Isoda, Hiroshi
Year of Publication
2016
Country of Publication
Austria
Format
Conference Paper
Material
CLT (Cross-Laminated Timber)
Application
Wood Building Systems
Topic
Design and Systems
Seismic
Keywords
Japan
Language
English
Conference
World Conference on Timber Engineering
Research Status
Complete
Notes
August 22-25, 2016, Vienna, Austria p. 3420-3427
Summary
The national research project to investigate proper structural design method for CLT(Cross Laminated Timber) buildings has been advanced by the subside of the Ministry of Land, Infrastructure, Transport and Tourism of Japan since 2011. This paper provides the outline...
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Final Report for Commercial Building Costing Cases Studies – Traditional Design Versus Timber Project

https://research.thinkwood.com/en/permalink/catalogue271
Year of Publication
2015
Topic
Cost
Design and Systems
Material
CLT (Cross-Laminated Timber)
LVL (Laminated Veneer Lumber)
Glulam (Glue-Laminated Timber)
Application
Wood Building Systems
Author
Dunn, Andrew
Organization
Forest and Wood Products Australia
Year of Publication
2015
Country of Publication
Australia
Format
Report
Material
CLT (Cross-Laminated Timber)
LVL (Laminated Veneer Lumber)
Glulam (Glue-Laminated Timber)
Application
Wood Building Systems
Topic
Cost
Design and Systems
Keywords
Cost comparison
Cost
Language
English
Research Status
Complete
Summary
This project developed Cost Plans for the structure of four building types; a 7 storey office building, an 8 storey apartment building, a 2 storey aged care facility and a single storey industrial shed. Each solution was designed and then independently costed for a timber option as well as a more conventional concrete framed or steel framed solution for a reference location in suburban Sydney. The site was assumed to have no significant cost implications concerning site access, ground conditions or neighbouring properties. The investigations considered only the elements of the building for which there were significant difference and ignored the cost of elements that were the same. The timber structural solutions were found in all cases to be significantly less than the competing non-timber solution. The cost of each of the main components were found to be significantly cheaper in timber for each building. The next best opportunity for the timber industry is the office and institutional building markets as both building forms are similar. This report shows that this market segment has great potential as this building design showed the significant cost savings particularly if a decorative ceiling is omitted.
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Seismic Design of Cross-Laminated Timber Buildings

https://research.thinkwood.com/en/permalink/catalogue1971
Year of Publication
2018
Topic
Seismic
Design and Systems
Material
CLT (Cross-Laminated Timber)
Application
Wood Building Systems
Author
Tannert, Thomas
Follesa, Maurizio
Fragiacomo, Massimo
González Soto, Paulina
Isoda, Hiroshi
Moroder, Daniel
Xiong, Haibei
van de Lindt, John
Publisher
Society of Wood Science and Technology
Year of Publication
2018
Country of Publication
United States
Format
Journal Article
Material
CLT (Cross-Laminated Timber)
Application
Wood Building Systems
Topic
Seismic
Design and Systems
Keywords
Seismicity
Design Standards
Platform-Type Construction
Ductility
Connections
Language
English
Research Status
Complete
Series
Wood and Fiber Science
Summary
The increasing interest in cross-laminated timber (CLT) construction has resulted in multiple international research projects and publications covering the manufacturing and performance of CLT. Multiple regions and countries have adopted provisions for CLT into their engineering design standards and building regulations. Designing and building CLT structures, also in earthquake-prone regions is no longer a domain for early adopters, but is becoming a part of regular timber engineering practice...
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Seismic Design of a 10-Storey CLT Building

https://research.thinkwood.com/en/permalink/catalogue384
Year of Publication
2013
Topic
Design and Systems
Seismic
Connections
Material
CLT (Cross-Laminated Timber)
Application
Wood Building Systems
Author
Follesa, Maurizio
Vassallo, Davide
Christovasilis, Ioannis
Organization
FPInnovations
Year of Publication
2013
Country of Publication
Canada
Format
Report
Material
CLT (Cross-Laminated Timber)
Application
Wood Building Systems
Topic
Design and Systems
Seismic
Connections
Keywords
Finite Element Model
Equivalent Seismic Force Procedure
Modal Response Spectrum Method
Language
English
Research Status
Complete
Summary
This report presents the seismic design of a 10-storey Cross Laminated Timber (CLT) building in Vancouver, BC, conducted according to the National Building Code of Canada. The multi-storey condominium consists of 20 apartments for a total floor area of about 2000 m2. First, a preliminary simplified model is formulated assuming the same stiffness per meter for each wall of the building. The Equivalent Seismic Force Procedure is applied and the results serve for a preliminary design of all the major connections that play a significant role on the lateral stiffness of the building, assuming rigid in plane floor diaphragms and well-anchored CLT walls. Based on the results of the preliminary design, a 3 dimensional finite element model is created, describing analytically the modelling approach adopted, and both the Equivalent Seismic Force Procedure (referred as static analysis) and the Modal Response Spectrum Method (referred as dynamic analysis) are applied to obtain the design forces for each wall of the building. Based on the results from the dynamic analysis, the final seismic design of the building is performed and the results are presented for connections dedicated to transfer (i) shear forces from floor diaphragms to walls below and from walls to diaphragms below, (ii) uplift forces for each wall, (iii) boundary forces between CLT panels within the same walls, (iv) boundary forces between perpendicular walls, and (v) boundary forces between CLT floor panels. All connections prescribed to provide ductility and energy dissipation are designed to fail in ductile failure mode according to the CSA 086-09 while connections that should remain within the elastic range to allow the ductile connections to yield are designed with overstrength factor.
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Seismic Design of Timber Buildings with a Direct Displacement-Based Design Method

https://research.thinkwood.com/en/permalink/catalogue1904
Year of Publication
2013
Topic
Seismic
Design and Systems
Material
Light Frame (Lumber+Panels)
Application
Frames
Wood Building Systems
Author
Loss, Cristiano
Piazza, Maurizio
Zonta, Daniele
Editor
Cruz, Paulo J.S.
Publisher
CRC Press
Year of Publication
2013
Country of Publication
United States
Format
Book/Guide
Material
Light Frame (Lumber+Panels)
Application
Frames
Wood Building Systems
Topic
Seismic
Design and Systems
Keywords
Performance-Based Seismic Design
Direct Displacement-Based Design
Displacement
Damping
Language
English
Research Status
Complete
Series
Structures and Architecture: Concepts, Applications and Challenges
ISBN
978-1-4822-2461-0
Summary
Modern seismic design procedures are widely represented by the concept of Performance-Based Seismic Design (PBSD). Direct Displacement-Based Design (DDBD) procedure for PBSD of buildings is considered a very promising method which uses displacement as an input design parameter. The DDBD procedure first codified by Priestley requires an a priori estimate of the design displacement and the associated equivalent viscous damping of the structure, at design performance levels. In this paper, design parameters for the ultimate limit state have been developed for a common construction system for timber buildings. Such parameters are defined as a function of mechanical and geometrical connection configurations.
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Reliability of Sprinkler Protection of Tall Wood Buildings During and After a Seismic Event

https://research.thinkwood.com/en/permalink/catalogue806
Year of Publication
2014
Topic
Fire
Seismic
Application
Wood Building Systems
Author
Harmsworth, Andrew
Year of Publication
2014
Country of Publication
Canada
Format
Conference Paper
Application
Wood Building Systems
Topic
Fire
Seismic
Keywords
High-Rise
Reliability
Tall Wood
Sprinklers
Language
English
Conference
World Conference on Timber Engineering
Research Status
Complete
Notes
August 10-14, 2014, Quebec City, Canada
Summary
A major concern with tall wood buildings is fire during or after an earthquake. Through a survey of factors including reliability of systems, reliability of water supplies, availability of professional and civilian fire fighting, the paper will examine t...
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Seismic Design of Timber Buildings: Highlighted Challenges and Future Trends

https://research.thinkwood.com/en/permalink/catalogue2388
Year of Publication
2020
Topic
Design and Systems
Seismic
Application
Wood Building Systems
Author
Stepinac, Mislav
Šušteršic, Iztok
Gavric, Igor
Rajcic, Vlatka
Publisher
MDPI
Year of Publication
2020
Format
Journal Article
Application
Wood Building Systems
Topic
Design and Systems
Seismic
Keywords
Seismic Design
Tall Timber Buildings
Timber Composites
Seismic Retrofitting
Eurocode 8
Language
English
Research Status
Complete
Series
Applied Sciences
Summary
Use of timber as a construction material has entered a period of renaissance since the development of high-performance engineered wood products, enabling larger and taller buildings to be built. In addition, due to substantial contribution of the building sector to global energy use, greenhouse gas emissions and waste production, sustainable solutions are needed, for which timber has shown a great potential as a sustainable, resilient and renewable building alternative, not only for single family homes but also for mid-rise and high-rise buildings. Both recent technological developments in timber engineering and exponentially increased use of engineered wood products and wood composites reflect in deficiency of current timber codes and standards. This paper presents an overview of some of the current challenges and emerging trends in the field of seismic design of timber buildings. Currently existing building codes and the development of new generation of European building codes are presented. Ongoing studies on a variety topics within seismic timber engineering are presented, including tall timber and hybrid buildings, composites with timber and seismic retrofitting with timber. Crucial challenges, key research needs and opportunities are addressed and critically discussed.
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Seismic Design of Floor Diaphragms in Post-Tensioned Timber Buildings

https://research.thinkwood.com/en/permalink/catalogue507
Year of Publication
2014
Topic
Design and Systems
Seismic
Material
LVL (Laminated Veneer Lumber)
Application
Walls
Floors
Author
Moroder, Daniel
Sarti, Francesco
Palermo, Alessandro
Pampanin, Stefano
Buchanan, Andrew
Year of Publication
2014
Country of Publication
Canada
Format
Conference Paper
Material
LVL (Laminated Veneer Lumber)
Application
Walls
Floors
Topic
Design and Systems
Seismic
Keywords
Post-Tensioned
Frame Elongation
Rocking
Diaphragm
Lateral Load Resisting System
Language
English
Conference
World Conference on Timber Engineering
Research Status
Complete
Notes
August 10-14, 2014, Quebec City, Canada
Summary
Seismic damage to floor diaphragms because of displacement incompatibilities are a point of concern in many structures. This paper studies the behaviour of timber diaphragms subjected to frame elongation and rocking of walls in post-tensioned timber buildings. Experimental tests with special connection details between floor panels and between the diaphragm and the lateral load resisting system show that floor damage in severe earthquakes can be avoided by designing for flexibility and proper connection detailing
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Seismic Design of Core-Walls for Multi-Storey Timber Buildings

https://research.thinkwood.com/en/permalink/catalogue134
Year of Publication
2013
Topic
Design and Systems
Seismic
Material
CLT (Cross-Laminated Timber)
Application
Shafts and Chases
Author
Dunbar, Andrew
Pampanin, Stefano
Palermo, Alessandro
Buchanan, Andrew
Year of Publication
2013
Country of Publication
New Zealand
Format
Conference Paper
Material
CLT (Cross-Laminated Timber)
Application
Shafts and Chases
Topic
Design and Systems
Seismic
Keywords
Multi-Storey
Prefabrication
Pres-Lam
Residential
Quasi-Static Loading
Energy Dissipation
U-Shaped Flexural Plates
Language
English
Conference
New Zealand Society for Earthquake Engineering Conference
Research Status
Complete
Notes
April 26-28, 2013, Wellington, New Zealand
Summary
This paper describes options for seismic design of pre-fabricated timber core-wall systems, used as stairwells and lift shafts for lateral load resistance in multi-storey timber buildings. The use of Cross-Laminated Timber (CLT) panels for multi-storey timber buildings is gaining popularity throughout the world, especially for residential construction. This paper describes the possible use of CLT core-walls for seismic resistance in open-plan commercial office buildings in New Zealand. Previous experimental testing at the University of Canterbury has been done on the in-plane behaviour of single and coupled Pres-Lam post-tensioned timber walls. However there has been very little research done on the behaviour of timber walls that are orthogonal to each other and no research into CLT walls in the post-tensioned Pres-Lam system. This paper describes the proposed test regime and design detailing of two half-scale twostorey CLT stairwells to be tested under a bi-directional quasi-static loading. The test specimens will include a half-flight stair case with landings within the stairwell. The “High seismic option” consists of post-tensioned CLT walls coupled with energy dissipating U-shaped Flexural Plates (UFP) attached between wall panels and square hollow section steel columns at the corner junctions. An alternative “Low seismic option” uses the same post-tensioned CLT panels, with no corner columns or UFPs. The panels will be connected by screws to provide a semi-rigid connection, allowing relative movement between the panels producing some level of energy dissipation.
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A Seismic Design of 3-Story Building Using Japanese "Sugi" CLT Panels

https://research.thinkwood.com/en/permalink/catalogue682
Year of Publication
2014
Topic
Design and Systems
Seismic
Material
CLT (Cross-Laminated Timber)
Application
Wood Building Systems
Author
Matsumoto, Kazuyuki
Miyake, Tatsuya
Haramiishi, Takeshi
Tsuchimoto, Takahiro
Isoda, Hiroshi
Kawai, Naohito
Yasumura, Motoi
Year of Publication
2014
Country of Publication
Canada
Format
Conference Paper
Material
CLT (Cross-Laminated Timber)
Application
Wood Building Systems
Topic
Design and Systems
Seismic
Keywords
Panels
Sugi
Japan
Dynamic Analysis
Language
English
Conference
World Conference on Timber Engineering
Research Status
Complete
Notes
August 10-14, 2014, Quebec City, Canada
Summary
In this paper, the general process and results of the seismic design on a 3-story building with Japanese Sugi CLT construction based on the time history response analysis as the only legal structural design method in Japan at the present moment, are show...
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10 records – page 1 of 1.