原文传递
Global experimental response of a three-story, full-scale precast concrete shear wall structure with reinforcing bars spliced by grouted couplers
| 题名： | Global experimental response of a three-story, full-scale precast concrete shear wall structure with reinforcing bars spliced by grouted couplers |
| 正文语种： | 英文 |
| 作者： | Wenlong Han; Zuozhou Zhao; Jiaru Qian |
| 关键词： | Connection; grouted coupler; quasi-static test; sandwich wall; shear wall structure; substructure pseudodynamic test; superimposed concrete slab support; window belly wall |
| 摘要： | This paper presents an experimental study of a three-story, full-scale precast concrete shear wall structure in which vertical reinforcing bars in the walls were spliced by grouted couplers, adjacent precast concrete panels were connected by vertical segments, and precast concrete slabs with cast-in-place concrete topping were used as diaphragms tying vertical members together. Critical joints, such as horizontal and vertical wall-to-wall joints, window belly wall connections, slab-to-wall joints, slab-to-slab joints, and precast concrete sandwich panel connections, were designed and verifed. Results of a series of pseudodynamic and quasi-static tests showed that the test model exhibited excellent seismic performance and failed in the desired mode. The adopted joints were strong enough to ensure behavior of the precast concrete shear wall with grouted coupler systems as if monolithic. The performance levels and damage states of the test model under various seismic intensities were evaluated according to Chinese code GB 50011-2010 and FEMA 356. Particular attention was placed on the influence of window belly walls, the performance of precast concrete sandwich walls, and the performance of superimposed concrete slabs with different slab-to-wall joints. |
| 出版年： | 2019 |
| 期刊名称： | PCI-Prestressed Concrete Institute Journal |
| 期： | 1 |
| 页码： | 65-80 |
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