[1] Sun Jian, Qiu Hongxing, Lu Bo,. Experimental validation of horizontal jointsin an innovative totally precast shear wall system [J]. Journal of Southeast University (English Edition), 2015, 31 (1): 124-129. [doi:10.3969/j.issn.1003-7985.2015.01.021]
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Experimental validation of horizontal jointsin an innovative totally precast shear wall system(
)
新型全装配式剪力墙结构水平接缝试验验证
)Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]
- Volumn:
- 31
- Issue:
- 2015 1
- Page:
- 124-129
- Research Field:
- Civil Engineering
- Publishing date:
- 2015-03-30
Info
- Title:
- Experimental validation of horizontal jointsin an innovative totally precast shear wall system
- 新型全装配式剪力墙结构水平接缝试验验证
- Author(s):
- Sun Jian1; Qiu Hongxing1; Lu Bo2
-
1Key Laboratory of Concrete and Prestressed Concrete Structures of Ministry of Education, Southeast University, Nanjing 210096, China
2Suzhou Institute of Architectural Design Co., Ltd., Suzhou 215021, China
- PACS:
- TU398.2
- DOI:
- 10.3969/j.issn.1003-7985.2015.01.021
- Abstract:
- To investigate the feasibility and seismic performance of the horizontal joints in an innovative precast shear wall system, two test walls were fabricated, and the monotonic and cyclic loading tests were performed on the two test walls, respectively. Then, the lateral load-top displacement curves, load bearing capacity, ductility, lateral stiffness, strains of steel bars, strain distribution on the connecting steel frame(CSF), and relative slippages between the CSF and embedded limbic steel frame(ELSF)were discussed in detail. The test results show that the load bearing capacity and ductility of the test wall are both favorable with a displacement ductility factor of more than 3.7. The normal and shear stresses in the CSF except for the compression end are far smaller than the yield stresses throughout the test procedure. Certain slippages of about 1.13 mm occurs between the CSF and ELSF on the compression side of the test wall, while almost no slippages occurs on the tension side. The seismic performance of the test wall is favorable and the new-type scheme of the horizontal joints is both feasible and reliable.
- 为了研究新型全装配式剪力墙结构体系中水平接缝的可行性及抗震性能, 制作了2个试件并分别进行单调加载试验与低周反复加载试验.在试验的基础上研究了该全装配式剪力墙的荷载-位移曲线、承载能力、延性性能、抗侧刚度、钢筋应变、连接钢框的应变分布以及连接钢框与内嵌边框之间的相对滑移等.试验结果表明:试件具有较好的承载能力及延性, 位移延性系数达3.7以上;在整个试验过程中, 除受压端外, 连接钢框中的正应力及剪应力远小于其屈服强度;试件受压端内嵌边框与连接钢框之间发生了一定的相对滑移, 达1.13 mm, 而受拉端二者之间未发生明显的相对滑移.该全装配式剪力墙结构体系的水平接缝安全可靠, 抗震性能良好, 方案可行.
References:
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Memo
- Memo:
-
Biographies: Sun Jian(1984—), male, graduate; Qiu Hongxing(corresponding author), male, doctor, professor, qiuhx@seu.edu.cn.
Citation: Sun Jian, Qiu Hongxing, Lu Bo. Experimental validation of horizontal joints in an innovative totally precast shear wall system[J].Journal of Southeast University(English Edition), 2015, 31(1):124-129.[doi:10.3969/j.issn.1003-7985.2015.01.021]