Seismic Performance of a New Precast Concrete Shear Wall with Bolt Connection

doi:10.15961/j.jsuese.201801163

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	Seismic Performance of a New Precast Concrete Shear Wall with Bolt Connection
	Li, Wanrun 1,2,3; Xiang, Rongjiang 1; Du, Yongfeng 1,2,3
刊名	Gongcheng Kexue Yu Jishu/Advanced Engineering Science
	2019-09-20
卷号	51 期号:5 页码:78-86
关键词	Aspect ratio Axial compression Bearing capacity Bolts Cast in place concrete Finite element method Precast concrete Seismic waves Seismology Stiffness Bolt connection Height width ratio Pre-cast Prefabricated components Reliable connections Seismic Performance Shear wall structure Ultimate bearing capacity
ISSN号	20963246
DOI	10.15961/j.jsuese.201801163
英文摘要	In prefabricated shear wall structures, the reliable connection between prefabricated components is the concerning focus. In order to avoid the tedious post-pouring process of horizontal joints during construction, a new type of connection method of precast concrete shear wall horizontal joint is proposed and its seismic performance was studied. The seismic performance of the cast-in-place monolithic shear wall was analyzed by establishing a refined finite element model, and the reliability was verified by comparing with the test results. Hereby the finite element model of the precast specimens with new connection method and the same size cast-in-place integral shear wall was established, and the seismic performance of the precast specimens was analyzed by considering the axial compression ratio and aspect ratio, respectively. The results show that the ultimate bearing capacity of precast concrete shear wall YZ-3 under forward loading is 3.3% higher than that of XJ-3 and the reverse loading is 5.4%, The ultimate load of model YZ-1 is 4.8% higher than that of the model XJ-1. Obviously, the bearing capacity of precast concrete shear wall is higher than that of cast-in-place shear wall under the same condition, and the bearing capacity of the prefabricated shear wall increases more obviously with the increase of the axial compression ratios; with the decrease of aspect ratio, compared with model YZ-2, the ultimate bearing capacity of the models YZ-4 and YZ-5 is increased by 44.2% and 79%, respectively, and the initial stiffness is increased by 18.0% and 47.1%, respectively. Therefore, the bearing capacity of precast concrete shear wall becomes stronger with the decrease of aspect ratio, while the initial stiffness becomes larger gradually, and the ductility of the precast model is better than that of monolithic shear wall, and the seismic performance is basically similar. The new connection method can transfer the stress of steel bar effectively and can be used as a reliable connection way. © 2019, Editorial Department of Advanced Engineering Sciences. All right reserved.
语种	中文
出版者	Sichuan University
内容类型	期刊论文
源URL	[http://ir.lut.edu.cn/handle/2XXMBERH/113946]
专题	兰州理工大学
作者单位	1.Inst. of Earthquake Protection and Disaster Mitigation, Lanzhou Univ. of Technol., Lanzhou; 730050, China; 2.Key Lab. of Disaster Prevention and Mitigation in Civil Eng. of Gansu Province, Lanzhou Univ. of Technol., Lanzhou; 730050, China; 3.Western Eng. Research Center of Disaster Mitigation in Civil Eng. of Ministry of Education, Lanzhou Univ. of Technol., Lanzhou; 730050, China
推荐引用方式 GB/T 7714	Li, Wanrun,Xiang, Rongjiang,Du, Yongfeng. Seismic Performance of a New Precast Concrete Shear Wall with Bolt Connection[J]. Gongcheng Kexue Yu Jishu/Advanced Engineering Science,2019,51(5):78-86.
APA	Li, Wanrun,Xiang, Rongjiang,&Du, Yongfeng.(2019).Seismic Performance of a New Precast Concrete Shear Wall with Bolt Connection.Gongcheng Kexue Yu Jishu/Advanced Engineering Science,51(5),78-86.
MLA	Li, Wanrun,et al."Seismic Performance of a New Precast Concrete Shear Wall with Bolt Connection".Gongcheng Kexue Yu Jishu/Advanced Engineering Science 51.5(2019):78-86.