Research on Seismic Behavior of Prefabricated Concrete Columns and Independent Foundation with Grouted Corrugate Sleeve

Jun CHEN; Yue PENG; Zimei CAO; Fu XU; Chenhui ZHAO; Caiqian YANG; Bai ZHANG

doi:10.13409/j.cnki.jdpme.201911019

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Research on Seismic Behavior of Prefabricated Concrete Columns and Independent Foundation with Grouted Corrugate Sleeve

更新时间：2025-09-25

- Research on Seismic Behavior of Prefabricated Concrete Columns and Independent Foundation with Grouted Corrugate Sleeve
- Journal of Disaster Prevention and Mitigation Engineering Vol. 42, Issue 1, Pages: 142-150(2022)
- 作者机构：
  
  1.湘潭大学土木工程与力学学院，湖南湘潭 411100
  2.东南大学土木工程学院，江苏南京 210009
- 作者简介：
- 基金信息：
- DOI：10.13409/j.cnki.jdpme.201911019
  CLC： TU375.3
- Published：28 February 2022
- 稿件说明：
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陈俊,彭月,曹子美等.预制混凝土柱与独立基础浆锚连接抗震性能研究[J].防灾减灾工程学报,2022,42(01):142-150.

CHEN Jun,PENG Yue,CAO Zimei,et al.Research on Seismic Behavior of Prefabricated Concrete Columns and Independent Foundation with Grouted Corrugate Sleeve[J].Journal of Disaster Prevention and Mitigation Engineering,2022,42(01):142-150.
陈俊,彭月,曹子美等.预制混凝土柱与独立基础浆锚连接抗震性能研究[J].防灾减灾工程学报,2022,42(01):142-150. DOI： 10.13409/j.cnki.jdpme.201911019.

CHEN Jun,PENG Yue,CAO Zimei,et al.Research on Seismic Behavior of Prefabricated Concrete Columns and Independent Foundation with Grouted Corrugate Sleeve[J].Journal of Disaster Prevention and Mitigation Engineering,2022,42(01):142-150. DOI： 10.13409/j.cnki.jdpme.201911019.

摘要

为研究预埋波纹套管内预制混凝土柱与独立基础浆锚连接试件的抗震性能，进行了6个预制装配式柱和1个现浇柱的拟静力低周循环往复荷载试验。试验重点研究了柱纵筋锚固长度、轴压比、柱底纵筋局部脱黏（柱底锚固纵筋5倍直径范围内）对预制柱抗震性能的影响。结果表明：柱纵筋锚固长度为10

时（

为钢筋直径），基础发生了开裂破坏，随着锚固长度的增加，破坏形态由基础开裂破坏变为柱脚弯曲破坏；为使预制柱与现浇柱的抗震性能相当，柱纵筋最小浆锚长度不宜小于20

；轴压比一定时，对柱纵筋进行局部脱黏处理，可改善试件的延性及耗能能力。柱纵筋锚固长度一定时，随着轴压比的增加，试件的水平极限承载力及刚度均增大。

Abstract

To study the seismic performance of prefabricated columns and independent foundation connection with grouted corrugate sleeve， six prefabricated columns and one cast-in-place column were tested under pseudo-static low-frequency cyclic load. The influences of anchorage length of column reinforcement， axial compression ratio and the partial debonding of column reinforcement with 5 times the diameter of the column reinforcement on the seismic behavior were investigated. The results show that when the anchorage length of the column reinforcement is 10

， the foundation breaks； with the increase of the anchorage length， the failure mode changes from the base cracking to the column bending failure； in order to make the seismic performance of the prefabricated column equivalent to the cast-in-place column， the minimum anchorage length of the column reinforcement should not be less than 20

； when the axial compression ratio is constant， the partial debonding of column reinforcement can improve the ductility and energy consumption of the specimen. When the anchorage length of the column reinforcement is constant， the horizontal ultimate bearing capacity and the stiffness of the specimen increase with the increase of the axial compression ratio.

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references

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