[1]谢洪平,贾振宏,韩 超,等.环状钢骨-钢管混凝土柱轴压性能试验研究[J].西安建筑科技大学学报(自然科学版),2022,54(04):524-532.[doi:10.15986/j.1006-7930.2022.04.007]
　XIE Hongping,JIA Zhenhong,HAN Chao,et al.Experimental study on the axial compressive bearing capacity of concrete-filled steel tubular stub column reinforced with annular steel[J].J. Xi'an Univ. of Arch. & Tech.(Natural Science Edition),2022,54(04):524-532.[doi:10.15986/j.1006-7930.2022.04.007]
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环状钢骨-钢管混凝土柱轴压性能试验研究()
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西安建筑科技大学学报（自然科学版）[ISSN:1006-7930/CN:61-1295/TU]

卷:
54
期数:
2022年04期
页码:
524-532
栏目:
出版日期:
2022-08-28

文章信息/Info

Title:
Experimental study on the axial compressive bearing capacity of concrete-filled steel tubular stub column reinforced with annular steel
文章编号:
1006-7930(2022)04-0524-09
作者:
谢洪平1; 贾振宏2; 韩 超1; 朱 姣1; 罗柯镕3; 李布辉2
(1.国网江苏省电力有限公司建设分公司,江苏 南京 210011; 2.中国能源建设集团江苏省电力设计院有限公司,江苏 南京 211102; 3.东南大学 土木工程学院,江苏 南京 211189)
Author(s):
XIE Hongping1;  JIA Zhenhong2;  HAN Chao1;  ZHU Jiao1;  LUO Kerong3;  LI Buhui2
(1.State Grid Jiangsu Electric Power Company Construction Branch, Nanjing 210011, China; 2.Jiangsu Power Design Institute Co., Ltd. of CEEC, Nanjing 211102, China; 3.School of Civil Engineering, Southeast University, Nanjing 211189, China)
关键词:
钢管混凝土柱;  环状钢骨;  轴压承载力;  卧位试验
Keywords:
concrete-filled steel tubular columns;  annular steel;  axial compressive bearing capacity;  horizontal loading test
分类号:
TU398.9; TU311.41
DOI:
10.15986/j.1006-7930.2022.04.007
文献标志码:
A
摘要:
为了研究环状钢骨-钢管混凝土柱轴压承载力以及相关设计参数对轴压性能的影响,对4个普通钢管混凝土柱及12个环状钢骨-钢管混凝土柱进行了卧位加载试验,并对破坏模式、轴向荷载-位移曲线、轴向荷载-侧向位移曲线及应变进行了分析,试验结果表明:与普通钢管混凝土柱相比,环状钢骨-钢管混凝土柱承载力最大可提高20.39%,轴向刚度可提高约82.27%; 整体环向板在试验间距范围内对试件承载力影响较小,对轴向刚度提升幅度较大; 内配环状钢骨能够显著改变试件的破坏模式,且内部环状钢片和整体环向板在整个加载过程中全程参与受力,对试件整体的承载力和刚度都有着一定的贡献.
Abstract:
In order to study the axial compressive bearing capacity of the annular steel-reinforced concrete-filled steel tubular column and the influence of related design parameters on the axial compressive performance, horizontal loading tests are carried out on four ordinary concrete-filled steel tubular(CFST)columns and annular steel-reinforced CFST columns. The failure mode, axial load-displacement curves, axial load-lateral displacement curves and strain are analyzed. The test results show that the maximum bearing capacity of annular steel reinforced concrete-filled steel tubular columns can be increased by 18.67%, and the axial stiffness can be increased by about 82.27% compared with ordinary CFST columns. The integral annular plates within the range of the test distance has little effect on the bearing capacity of the specimen, and has a large increase in the axial stiffness. The failure mode of the specimen can be obviously changed after the annular steel is added. The inner annular steel sheet and the integral annular plate participate in the whole loading process, which makes a certain contribution to the overall bearing capacity and stiffness of the specimen.

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备注/Memo

备注/Memo:
收稿日期:2022-03-01修改稿日期:2022-08-22
基金项目:国家电网有限公司科技资助项目(SGJSJSOOXMJS2000259)
第一作者:谢洪平(1975—),男,硕士,高级工程师,主要从事送变电土建设计研究.E-mail:947820126@qq.com
更新日期/Last Update: 2022-08-28