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Analytical and Experimental Lateral-Load Response of Self-Centering Posttensioned CLT Walls
| 题名： | Analytical and Experimental Lateral-Load Response of Self-Centering Posttensioned CLT Walls |
| 正文语种： | 英文 |
| 作者： | Tugce Akbas, Ph.D., A.M.ASCE; Richard Sause, Ph.D., P.E., M.ASCE; James M. Rides, Ph.D., P.E.; Ryan Ganey; Jeffrey Berman, Ph.D., A.M.ASCE; Sarah Loftus; J. Daniel Dolan, Ph.D., P.E., F.ASCE; Shiling Pei, Ph.D., M.ASCE; John W. van de Lindt, Ph.D., F.ASCE; Hans-Erik Blomgren, P.E., S.E., M.ASCE |
| 作者单位： | ATAK Engineering;ATLSS Engineering Research Center, Dept, of Civil and Environmental Engineering, Lehigh Univ., Bethlehem;Univ, of Washington;Western Federal Lands Highway Division, Vancouver;Colorado School of Mines;Colorado State Univ |
| 关键词： | Lateral loads; Seismic analysis; Seismic tests; Shear walls; Cross-laminated timber; Structural response; Timber construction; Wood structures. |
| 摘要： | A cross-laminated timber (CLT) panel is a heavy timber structural component fabricated by laminating layers of timber boards in an orthogonal pattern. This paper presents a study of the lateral-load response of self-centering (SC) posttensioned CLT structural walls (i.e., SC-CLT walls), which are constructed by posttensioning CLT wall panels to the foundation with vertical posttensioning steel bars. The bars pass through the CLT panels and are anchored to the CLT panels at the top of the wall and to the foundation at the bottom of the wall. Cyclic loading tests were conducted on a series of SC-CLT wall specimens with different configurations. Structural limit states of SC-CLT walls under lateral load are identified. Two types of analytical models are proposed to predict SC-CLT wall response, namely, a design-oriented analytical model based on simple mathematical expressions, and a fiber-element-based numerical model. Comparisons between the analytical and experimental results are made, which indicate that the simple mathematical expressions and the fiber-elementbased numerical model provide accurate estimates of the lateral-load response of SC-CLT walls under cyclic loading. DOI: 10.1061/(ASCE) ST.1943-541X.0001733. © 2017 American Society of Civil Engineers. |
| 出版日期： | 2017.06 |
| 出版年： | 2017 |
| 期刊名称： | Journal of Structural Engineering |
| 卷： | Vol.143 |
| 期： | NO.06 |
| 页码： | 04017019 |
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