[1]于建兵,郭正兴.新型预制装配框架梁柱节点低周反复荷载试验研究[J].地震工程与工程振动,2017,01(05):139-145.[doi:10.13197/j.eeev.2017.05.139.yujb.016]
 YU Jianbing,GUO Zhengxing.Experimental study on new precast frame connections under low cyclic loading[J].EARTHQUAKE ENGINEERING AND ENGINEERING DYNAMICS,2017,01(05):139-145.[doi:10.13197/j.eeev.2017.05.139.yujb.016]
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新型预制装配框架梁柱节点低周反复荷载试验研究
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《地震工程与工程振动》[ISSN:/CN:]

卷:
01
期数:
2017年05期
页码:
139-145
栏目:
论文
出版日期:
2017-10-01

文章信息/Info

Title:
Experimental study on new precast frame connections under low cyclic loading
作者:
于建兵12 郭正兴12
1. 扬州大学 建筑科学与工程学院, 江苏 扬州 225127;
2. 东南大学 土木工程学院, 江苏 南京 210096
Author(s):
YU Jianbing12 GUO Zhengxing12
1. College of Civil Science and Engineering, Yangzhou University, Yangzhou 225127, China;
2. School of Civil Engineering, Southeast University, Nanjing 210096, China
关键词:
梁柱节点低周反复滞回性能延性刚度退化层间位移角
Keywords:
beam-to-column connectionlow cyclichysteresis curveductilitystiffness degradation curveinterlayer displacement angle
分类号:
TU375;P315.9
DOI:
10.13197/j.eeev.2017.05.139.yujb.016
摘要:
在凝练国内外已有的研究基础上,创新性的提出了一种新型预制装配混凝土框架梁柱节点,为了能够研究新型节点的抗震性能,对2个预制装配混凝土框架梁柱节点及一个现浇节点进行低周反复荷载试验,新型节点与现浇节点的不同点在于新型节点梁的受力钢筋采用预应力钢绞线进行了替代,2个预制节点的不同点在于梁柱节点核心区处是否设置附加钢筋。通过试验对2个预制节点以及现浇节点的极限承载力、滞回曲线、耗能、层间位移、刚度以及延性进行了测试分析,试验发现预制试件的极限承载力优于现浇试件,滞回环的面积与现浇构件滞回环面积基本相当,说明预制节点的耗能能力及延性基本等价于现浇试件。验证了新型节点可以应用于有抗震设防要求的地区。
Abstract:
On the basis of the existing domestic and abroad research, innovative proposed a new precast concrete frame beam-column connection, in order to study the seismic performance of the new connection, two precast concrete frame beam-column connections and a cast connection under low cyclic loading test. The difference between the new precast connections and cast in place connection was that the reinforcement of beam adopted prestressing strand replace of common reinforced. The difference lies in if the core area of two precast connections set additional reinforcement. Through experiments on two precast connections and a cast in place connection, ultimate bearing capacity, hysteresis curve, energy, interlayer displacement, stiffness and ductility were tested, discovered that the ultimate bearing capacity of precast specimens superior cast specimen. Hysteresis loop area of precast specimens is roughly equal to cast specimen, illustrate that energy dissipation capacity and ductility of precast specimens substantially equivalent to cast specimens. Verify that the new precast can be applied to the seismic requirements region.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2016-09-15;改回日期:2017-01-12。
基金项目:国家重点研发计划(2016YFC0701703)
作者简介:于建兵(1983-),男,讲师,博士,主要从事预制装配混凝土结构研究.E-mail:jlyujianbing2008@163.com
通讯作者:郭正兴(1956-),男,教授,博士,主要从事预制装配混凝土结构抗震研究.E-mail:guozx195608@163.com
更新日期/Last Update: 2017-10-25