[1]王 娟,赵均海,李 楠,等.FRP-混凝土-钢双壁空心管轴压短柱力学性能分析[J].西安建筑科技大学学报:自然科学版,2013,(05):633-639,646.[doi:10.15986/j.1006-7930.2013.05.005]
 WANG Juan,ZHAO Jun-hai,LI Nan,et al.Analysis of mechanics properties on FRP-concrete-steel double-skin tubular short columns[J].J.Xi’an Univ. of Arch. & Tech.:Natural Science Edition,2013,(05):633-639,646.[doi:10.15986/j.1006-7930.2013.05.005]
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FRP-混凝土-钢双壁空心管轴压短柱力学性能分析()
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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:
期数:
2013年05期
页码:
633-639,646
栏目:
出版日期:
2013-10-31

文章信息/Info

Title:
Analysis of mechanics properties on FRP-concrete-steel double-skin tubular short columns
文章编号:
1006-7930(2013)05-0633-07
作者:
王 娟赵均海李 楠朱 倩
(长安大学建筑工程学院,陕西 西安 710061)
Author(s):
WANG Juan ZHAO Jun-hai LI Nan ZHU Qian
(School of Civil Engineering, Changan University, Xian 710061,China)
关键词:
薄壁圆筒双剪统一强度理论非线性有限元FRP-混凝土-钢双壁空心管力学性能
Keywords:
thin-walled cylinder the twin shear unified strength theory nonlinear finite element analysis FPR-concrete-steel double-skin tubular mechanics properties
分类号:
TU 398.9
DOI:
10.15986/j.1006-7930.2013.05.005
文献标志码:
A
摘要:
应用薄壁圆筒的双剪统一强度理论极限解,考虑材料中间主应力的影响和内圆钢管的薄壁效应,提出了FRP-混凝土-钢双壁空心管短柱轴压承载力计算公式.借助非线性有限元分析软件ANSYS,建立了组合柱在轴心压力作用下的非线性有限元计算模型,得到了各构件极限承载力及应力-应变关系全过程曲线,并将有限元结果与理论公式计算结果、文献试验结果进行对比验证,吻合较好;在此基础上讨论了荷载对构件纵向应力分布的影响以及钢管厚径比、混凝土强度等对构件承载力的影响规律.
Abstract:
Using the twin shear unified limit solutions of thin-walled cylinder, the formula of axial bearing capacity for FRP-concrete-steel double-skin tubular short columns was presented by considering the influence of intermediate principal stress and the internal thin-walled steel tube effect. Nonlinear element analysis models of composite columns under axial load were developed by using ANSYS program. Then, the ultimate bearing capacities and the stress-strain relationship curves for members were carried out. The finite element results agree well with the calculated results obtained in the paper and test results from the references. Based on the results achieved influences of loads on the stress distribution and the thickness to diameter ratio for steel tube and the concrete strength on bearing capacities for members were studied

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备注/Memo

备注/Memo:
收稿日期:2013-04-02 修改稿日期:2013-07-12
基金项目:国家自然科学基金资助项目(41202191);高等学校博士学科点专项科研基金资助项目(20110205130001);陕西省自然科学基金资助项目(2011JM7002);中国博士后科学基金资助项目(2012M520079)
作者简介:王 娟(1987-),女,陕西延安人,博士生,主要从事组合结构基本理论及其应用研究工作.
更新日期/Last Update: 2015-10-05