原文传递
Experimental Investigation of Self-Centering Cross-Laminated Timber Walls
| 题名： | Experimental Investigation of Self-Centering Cross-Laminated Timber Walls |
| 其他题名： | ACI(American Concrete Institute).(2008)."Acceptance criteria for special unbonded post-tensioned walls based on validation testing."ACI ITG-5.1-07,Farmington Hills,MI. |
| 正文语种： | 英文 |
| 作者： | Ryan Ganey |
| 关键词： | Cross-laminated timber (CLT);Posttensioned connection;Self-centering;Experimentation;Wood structures |
| 摘要： | Mass timber is an attractive and sustainable alternative structural engineering material to concrete and steel. Despite successful midrise to high-rise timber building projects around the world, such buildings have not been implemented in regions with high seismicity due in part to a lack of research and development on appropriate ductile seismic load resisting systems for heavy timber construction. This paper describes experiments conducted to develop a resilient lateral force-resisting wall system that combines cross-laminated timber (CLT) panels with vertical posttensioning (PT) to provide postevent recentering. Supplemental mild steel U-shaped flexural plate (UFPs) are intended to yield under cyclic loading while the PT and CLT components remain undamaged until large interstory drifts are experienced by the wall. The experiments were designed to explore various limit states for self-centering CLT (SC-CLT) walls, including their dependence on design variables and their effect on performance, and to investigate strength and stiffness degradation at large interstory drifts. It was found that the SC-CLTwalls were able to recenter even after large drift cycles and the crushing of the CLT material was the governing limit state for most specimens. A hierarchy of desirable limit states was identified consisting of UFP yielding, CLT splitting, PT yielding, and CLT crushing. |
| 出版年： | 2017 |
| 论文唯一标识： | P-26Y2017V143N10006 |
| 英文栏目名称： | TECHNICAL PAPERS |
| doi： | 10.1061/(ASCE)ST.1943-541X.0001877 |
| 期刊名称： | Journal of Structural Engineering |
| 拼音刊名(出版物代码)： | P-26 |
| 卷： | 143 |
| 期： | 10 |
| 页码： | 61-74 |
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