[1]蔡健,梁伟盛,林辉.方钢管混凝土柱抗剪性能试验研究[J].深圳大学学报理工版,2012,29(No.3(189-282)):189-194.[doi:10.3724/SP.J.1249.2012.03189]
　CAI Jian,LIANG Wei-sheng,et al.Experimental study on shear resistance performance of concrete filled square steel tubular columns[J].Journal of Shenzhen University Science and Engineering,2012,29(No.3(189-282)):189-194.[doi:10.3724/SP.J.1249.2012.03189]
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方钢管混凝土柱抗剪性能试验研究()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第29卷
期数:
2012年No.3(189-282)
页码:
189-194
栏目:
土木建筑工程
出版日期:
2012-05-21

文章信息/Info

Title:
Experimental study on shear resistance performance of concrete filled square steel tubular columns
作者:
蔡健1; 2; 梁伟盛1; 林辉1
1） 华南理工大学土木与交通学院，广州 510641；2）华南理工大学亚热带建筑科学国家重点实验室，广州 510641
Author(s):
CAI Jian1;  2;  LIANG Wei-sheng1;  and LIN Hui1
1) School of Civil Engineering and Transportation, South China University of Technology, Guangzhou 510641, P.R.China
2) State Key Laboratory of Subtropical Building Science, South China University of Technology, Guangzhou 510641, P.R.China
关键词:
结构工程; 方钢管混凝土; 柱; 力学性能; 有限元法; 抗剪承载力
Keywords:
structural engineering;  concrete filled square steel tube;  column;  mechanical performance;  finite element method;  shear bearing capacity
分类号:
TU 352.1
DOI:
10.3724/SP.J.1249.2012.03189
文献标志码:
A
摘要:
研究方钢管混凝土柱在弯剪和压弯剪受力状态下的力学性能，进行了6个足尺方钢管混凝土柱的抗剪承载力试验，以剪跨比和轴压比作为主要参数，讨论试件的破坏形态、剪力-位移曲线等试验结果，分析剪跨比和轴压比等因素对构件抗剪承载力的影响，并对构件的抗剪性能进行非线性有限元分析．根据有限元计算结果，拟合推导出考虑轴压力影响的方钢管混凝土柱弯剪试件抗剪承载力与剪跨比关系的经验公式，公式计算结果与试验结果吻合较好，稍偏于安全，可供工程实践参考．
Abstract:
In order to study the mechanical performance of concrete filled square steel tubular columns under the action of bending and shear force, and the action of compression, bending and shear force, the experiments of 6 full scale concrete filled square steel tubular columns were carried out, in which the shear span ratio and the axial compression ratio are taken as the main parameters. The damage feature and load-displacement curves of the specimens were discussed. The influences of the shear span ratio and the axial compression ratio on the shear resistance of the specimens were analyzed. The shear performance of the columns were analyzed by nonlinear finite element method. According to the analytical calculating results, a formula of the shear bearing capacity of concrete filled square steel tubular column relating to shear span ratio was inferred, which considered the benefits of axial compression to the shear bearing capacity. The calculating results agree well with the experimental results, the formula can be used to the engineering computation．

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备注/Memo

备注/Memo:
Received：2012-03-15；Accepted：2012-05-05
Foundation：National Natural Science Foundation of China（50878087）
Corresponding author：Professor CAI Jian. E-mail：cvjcai@scut.edu.cn
Citation：CAI Jian, LIANG Wei-sheng, LIN Hui. Experimental study on shear resistance performance of concrete filled square steel tubular columns［J］. Journal of Shenzhen University Science and Engineering, 2012, 29(3): 189-194.（in Chinese）
 基金项目：国家自然科学基金资助项目（50878087）
作者简介：蔡健(1959-)，男（汉族），广东省潮州市人，华南理工大学教授、博士． E-mail：cvjcai@scut.edu.cn
引文：蔡健，梁伟盛，林辉．方钢管混凝土柱抗剪性能试验研究［J］. 深圳大学学报理工版，2012，29（3）：189-194.
更新日期/Last Update: 2012-05-28