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Experimental Study and Numerical Investigation of Blockhaus Shear Walls Subjected to In-Plane Seismic Loads
| 题名： | Experimental Study and Numerical Investigation of Blockhaus Shear Walls Subjected to In-Plane Seismic Loads |
| 其他题名： | Bedon,C.,Fragiacomo,M.,Amadio,C.,and Sadoch,C.(2013)."Experimental and numerical investigation of'Blockhaus'shear walls under in-plane cyclic loads."Proc.,XV ANIDIS Conf.(CD-ROM),Padua,Italy. |
| 正文语种： | 英文 |
| 作者： | Chiara Bedon |
| 关键词： | Wood structures;Timber loghouse shear walls;In-plane seismic loads;Full-scale monotonic and cyclic test;Friction coefficent;Numerical models;Nonlinear analysis;Wood structures |
| 摘要： | Blockhaus systems represent a traditional construction technology in which structural resistance is obtained by direct contact between multiple timber surfaces obtained through carvings, notches, and ancient joints. Native of forested areas, this technology is currently used for the construction of log buildings also in earthquake-prone areas. Their seismic structural behavior hence represents an interesting and not well known research topic. In the paper, experimental results obtained by cyclic and monotonic tests recently performed on Blockhaus shear walls with three different types of joints are presented and discussed. At the same time, sophisticated finite-element numerical models able to take into account the complex structural behavior of log-walls subjected to in-plane seismic forces are described. Performed numerical simulations highlighted that in general multiple factors affect the global structural response of Blockhaus shear walls, including the presence of imperfections (small gaps) in the joints, the contribution of friction phenomena, the mechanical properties of timber, and the interaction between in-plane seismic forces and vertical permanent loads. However, careful calibration of timber mechanical properties and contact interactions between overlapping logs can provide accurate numerical predictions and good correlation with full-scale experimental results. |
| 出版年： | 2015 |
| 论文唯一标识： | P-26Y2015V141N04006 |
| 英文栏目名称： | Technical Papers |
| doi： | 10.1061/(ASCE)ST.1943-541X.0001065 |
| 期刊名称： | Journal of Structural Engineering |
| 拼音刊名(出版物代码)： | P-26 |
| 卷： | 141 |
| 期： | 04 |
| 页码： | 40-50 |
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