[1]李嘉维,夏樟华,余舟扬.灌浆套筒连接装配式混凝土双柱墩的双向拟静力试验研究[J].地震工程与工程振动,2020,40(03):193-203.[doi:10.13197/j.eeev.2020.03.193.lijw.020]
 LI Jiawei,XIA Zhanghua,YU Zhouyang.Bi-axial quasi-static test on grouting sleeve connected assembled concrete double-column piers[J].EARTHQUAKE ENGINEERING AND ENGINEERING DYNAMICS,2020,40(03):193-203.[doi:10.13197/j.eeev.2020.03.193.lijw.020]
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灌浆套筒连接装配式混凝土双柱墩的双向拟静力试验研究
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《地震工程与工程振动》[ISSN:/CN:]

卷:
40
期数:
2020年03
页码:
193-203
栏目:
论文
出版日期:
2020-06-30

文章信息/Info

Title:
Bi-axial quasi-static test on grouting sleeve connected assembled concrete double-column piers
作者:
李嘉维1 夏樟华2 余舟扬2
1. 阳光学院 土木工程学院, 福建 福州 350015;
2. 福州大学 土木工程学院, 福建 福州 350108
Author(s):
LI Jiawei1 XIA Zhanghua2 YU Zhouyang2
1. College of Civil Engineering, Yango University, Fuzhou 350015, China;
2. School of Civil Engineering, Fuzhou University, Fuzhou 350108, China
关键词:
节段拼装双柱墩双向拟静力试验抗震性能塑性铰
Keywords:
segment assemblydouble column pierbidirectional pseudo-static testseismic performanceplastic hinge
分类号:
TU997
DOI:
10.13197/j.eeev.2020.03.193.lijw.020
摘要:
灌浆套筒连接装配式混凝土双柱墩在桥梁结构中大量应用,但在多向荷载作用下的抗震性能研究缺乏深入认识。本文开展了灌浆套筒连接装配式双柱墩的双向拟静力试验,研究了其破坏模式、滞回特性、刚度退化和延性性能等,并与现浇墩进行了比较。分析了装配式混凝土双柱墩等效计算高度的取值和动轴力的影响,讨论了墩顶位移计算方法。结果表明,在强轴方向,装配式双柱墩的耗能、强度、变形性能和延性等与现浇墩基本接近,而在弱轴方向这些指标明显小于现浇墩。理论计算得到了墩顶极限位移约为实测值的86.8%,具有较好的计算精度,但计算结果偏保守。
Abstract:
Segmental concrete double-column bridge piers are widely used in bridges, but their seismic performance under multi-directional action is still lack of understanding. A bidirectional pseudo-static test for the grouting sleeve connected segmental concrete double-column bridge pier was carried out. The failure mode, hysteretic behavior, stiffness degradation, and ductility were studied and compared with those of the cast-in-place piers. The influence of the equivalent calculation height and dynamic axial force of the segmental concrete double-column pier was further analyzed, and the calculation method of the displacement at the top of the double-column bridge pier was discussed. The results show that the energy consumption, strength, deformation performance and ductility of the segmental double-column pier are similar to those of the cast-in-place pier in the direction of strong axis, but are obviously smaller than those of the cast-in-place pier in the direction of weak axis. The theoretical ultimate displacement of the pier top is about 86.8% of the measured one, which indicates the good calculation accuracy, although the calculation results are relatively conservative.

参考文献/References:

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相似文献/References:

[1]葛继平,王志强,李建中,等.装配式预应力混凝土双柱桥墩抗震性能研究进展[J].地震工程与工程振动,2013,33(03):192.
 GE Jiping,WANG Zhiqiang,LI Jianzhong,et al.Recent development in seismic performance of prestressed concrete precast segmental double-column piers[J].EARTHQUAKE ENGINEERING AND ENGINEERING DYNAMICS,2013,33(03):192.
[2]王志强,葛继平,魏红一,等.节段拼装桥墩抗震性能研究进展[J].地震工程与工程振动,2009,29(04):147.
 WANG Zhiqiang,GE Jiping,WEI Hongyi,et al.Recent development in seismic research of segmental bridge columns[J].EARTHQUAKE ENGINEERING AND ENGINEERING DYNAMICS,2009,29(03):147.

备注/Memo

备注/Memo:
收稿日期:2019-10-09;改回日期:2020-01-24。
基金项目:国家自然科学基金项目(51408360);福建省自然科学基金项目(2019J01779);厦门市建设局科技项目(XJK2017-1-4,XJK2017-1-5)
作者简介:李嘉维(1982-),女,讲师,硕士,主要从事装配式结构受力性能研究.E-mail:18972696@qq.com
通讯作者:夏樟华(1980-),男,副研究员,博士,主要从事预制拼装桥墩抗震研究.E-mail:xiatian@fzu.edu.
更新日期/Last Update: 1900-01-01