Journal
JOURNAL OF STRUCTURAL ENGINEERING
Volume 142, Issue 4, Pages -Publisher
ASCE-AMER SOC CIVIL ENGINEERS
DOI: 10.1061/(ASCE)ST.1943-541X.0001348
Keywords
Wood structures
Funding
- Forest Agency
- JSPS KAKENHI [26450227]
- Grants-in-Aid for Scientific Research [26450227] Funding Source: KAKEN
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This study examines the mechanical performance of large and small cross-laminated timber (CLT) wall panels with different applications. Two CLT structures were subjected to reversed cyclic lateral loads. One structure consisted of 90-mm-thick, large CLT wall panels (6x2.7m), and the other consisted of 90-mm-thick, small CLT wall panels (1x2.7m). A weight was installed on the roof of two-story structures to simulate the weight of three-story structures, designed by elastic calculations with a base shear coefficient of 1.0. The number of screws for each joint was determined by a linear finite-element method (FEM) analysis. The experimental results showed that the ultimate capacity of these structures is 60-80% higher than the design load, indicating high structural performance. A three-dimensional, nonlinear analysis was conducted via the FEM, which accurately predicted the mechanical performance of the CLT structures. This design procedure, based on linear analysis, resulted in a conservative design, and simulation using the nonlinear FEM provided an effective tool for design optimization. (C) 2015 American Society of Civil Engineers.
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