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Lateral-Load Resistance of Cross-Laminated Timber Shear Walls
| 题名： | Lateral-Load Resistance of Cross-Laminated Timber Shear Walls |
| 其他题名： | ASTM.(2002)."Standard test method for evaluating dowel-bearing strength of wood and wood-base products."ASTM D5764,West Conshohocken,PA. |
| 正文语种： | 英文 |
| 作者： | Thomas Reynolds |
| 关键词： | Cross-laminated timber (CLT);Engineered wood;Digital image correlation;Kinematics;Wood structures |
| 摘要： | Cross-laminated timber shear wall systems are used as a lateral load resisting system in multistory timber buildings.Walls at each level typically bear directly on the floor panels below and are connected by nailed steel brackets. Design guidance for the lateral-load resistance of such systems is not well established and design approaches vary among practitioners. Two cross-laminated two-story timber shear wall systems are tested under vertical and lateral load, along with pullout tests on individual steel connectors. Comprehensive kinematic behavior is obtained from a combination of discrete transducers and continuous field displacements along the base of the walls, obtained by digital image correlation, giving a measure of the length of wall in contact with the floor below. Existing design approaches are evaluated. A new offset-yield criterion based on acceptable permanent deformations is proposed. A lower bound plastic distribution of stresses, reflecting yielding of all connectors in tension and cross-grain crushing of the floor panel, is found to most accurately reflect the observed behavior. |
| 出版年： | 2017 |
| 论文唯一标识： | P-26Y2017V143N12020 |
| 英文栏目名称： | TECHNICAL NOTES |
| doi： | 10.1061/(ASCE)ST.1943-541X.0001912 |
| 期刊名称： | Journal of Structural Engineering |
| 拼音刊名(出版物代码)： | P-26 |
| 卷： | 143 |
| 期： | 12 |
| 页码： | 238-243 |
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