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Dynamic and Static Lateral Load Tests on Full-Sized 3-Storey CLT Construction for Seismic Design

https://research.thinkwood.com/en/permalink/catalogue481
Year of Publication
2014
Topic
Seismic
Material
CLT (Cross-Laminated Timber)
Application
Wood Building Systems
Author
Tsuchimoto, Takahiro
Kawai, Naohito
Yasumura, Motoi
Miyake, Tatsuya
Isoda, Hiroshi
Tsuda, Chihiro
Miura, Sota
Murakami, Satoshi
Nakagawa, Takafumi
Year of Publication
2014
Country of Publication
Canada
Format
Conference Paper
Material
CLT (Cross-Laminated Timber)
Application
Wood Building Systems
Topic
Seismic
Keywords
Shake Table Test
Lateral Load Test
Shear Displacement
Joint Deformation
Language
English
Conference
World Conference on Timber Engineering
Research Status
Complete
Notes
August 10-14, 2014, Quebec City, Canada
Summary
The Japanese domestic forests have never been maintained enough, and it was a great fear that the multiple functions of the forest such as watershed conservation, the land conservation, and so on has been declined. The construction employing the cross laminates timber (CLT) panels was offered as a method of large scale building in domestic and foreign countries. However, the seismic design method of CLT panel construction has never completed. So, in order to consider the seismic design method, the shaking table tests and static lateral load tests were conducted to the modelized CLT panel construction.
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The Experimental Study on Seismic Performance of Cross-Laminated-Timber Panel Construction

https://research.thinkwood.com/en/permalink/catalogue972
Year of Publication
2012
Topic
Seismic
Material
CLT (Cross-Laminated Timber)
Author
Suganumi, Naoto
Goto, Hiroshi
Yasumura, Motoi
Hamamoto, Takashi
Miyake, Tatsuya
Minoru, Okabe
Kaiko, Naoto
Nakagawa, Takafumi
Tsuda, Chihiro
Organization
Architectural Institute of Japan
Year of Publication
2012
Country of Publication
Japan
Format
Journal Article
Material
CLT (Cross-Laminated Timber)
Topic
Seismic
Keywords
Static Loading Test
Shaking Table Test
Language
Japanese
Research Status
Complete
Summary
The wood engineering community has dedicated a significant amount of effort over the last decades to establish a reliable predictive model for the load-carrying capacity of timber connections under wood failure mechanisms. Test results from various sources (Foschi and Longworth 1975; Johnsson 2003; Quenneville and Mohammad 2000; Stahl et al. 2004; Zarnani and Quenneville 2012a) demonstrate that for multi-fastener connections, failure of wood can be the dominant mode. In existing wood strength prediction models for parallel to grain failure in timber connections using dowel-type fasteners, different methods consider the minimum, maximum or the summation of the tensile and shear capacities of the failed wood block planes. This results in disagreements between the experimental values and the predictions. It is postulated that these methods are not appropriate since the stiffness in the wood blocks adjacent to the tensile and shear planes differs and this leads to uneven load distribution amongst the resisting planes (Johnsson 2004; Zarnani and Quenneville 2012a). The present study focuses on the nailed connections. A closed-form analytical method to determine the load-carrying capacity of wood under parallel-to-grain loading in small dowel-type connections in timber products is thus proposed. The proposed stiffness-based model has already been verified in brittle and mixed failure modes of timber rivet connections (Zarnani and Quenneville 2013b).
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Lateral Loading Tests on CLT Shear Walls by Assembly of Narrow Panels and by a Large Panel with an Opening

https://research.thinkwood.com/en/permalink/catalogue475
Year of Publication
2014
Topic
Mechanical Properties
Material
CLT (Cross-Laminated Timber)
Application
Shear Walls
Author
Kawai, Naohito
Tsuchimoto, Takahiro
Tsuda, Chihiro
Murakam, Satoru
Miura, Sota
Isoda, Hiroshi
Miyake, Tatsuya
Year of Publication
2014
Country of Publication
Canada
Format
Conference Paper
Material
CLT (Cross-Laminated Timber)
Application
Shear Walls
Topic
Mechanical Properties
Keywords
Lateral Load
Opening
Load-Displacement Curves
Shear Performance
Language
English
Conference
World Conference on Timber Engineering
Research Status
Complete
Notes
August 10-14, 2014, Quebec City, Canada
Summary
In this paper, the results of lateral loading tests on two types of CLT shear wall systems with an opening are summarized, one is the shear wall system with assembling narrow size CLT panels and another is that using one large size panel with an opening. 8 types, 13 specimens in all were tested. Load-displacement curves were obtained and characteristic values of shear performance were derived. As a result, the assembly system revealed higher ductility because of the ductility of connections between panels, while the rapture of large panel system was brittle though the shear capacity was higher than the assembly system.
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Free
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