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《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

卷:

25卷

期数:

2008年03期

页码:

26-31

栏目:

出版日期:

2008-09-20

文章信息/Info

Title:

Experiment of Axial Bearing Capacity of Self-compacting Concrete-filled Steel Tubular Columns

作者:

李毅¹,唐习龙²

1.湖南大学土木工程学院,湖南长沙410082;2.中山市规划设计院,广东中山528403

Author(s):

LI Yi¹, TANG Xi-long²

1. School of Civil Engineering, Hunan University, Changsha 410082, Hunan, China; 2. Urban Planning and Design Institute of Zhongshan, Zhongshan 528403, Guangdong, China

关键词:

钢管自密实高性能混凝土;  轴压构件;  承载力;  有限元

Keywords:

self-compacting high-performance concrete-filled steel tube;  axial compressive member;  bearing capacity;  finite element

分类号:

TU392.3

DOI:

-

文献标志码:

A

摘要:

对18根钢管自密实高性能混凝土柱进行了轴压强度承载力的试验研究,试验的主要参数分别为自密实混凝土的配合比和加载方式。在确定组成钢管自密实高性能混凝土柱的钢材与混凝土的应力-应变关系的基础上,利用钢管混凝土柱轴压强度承载力的实用计算方法对其受力性能进行了理论分析,并采用有限元程序ANSYS对轴压柱的荷载-应变关系进行了分析,最后得出了试验值高于理论分析值,而与有限元计算值吻合较好的结论。该试验结论对相关工程实践具有一定的参考价值。

Abstract:

Eighteen self-compacting high-performance concrete-filled steel tubular columns were tested under axial compressive loads. The main parameters varied in the tests were mixture ratios of self-compacting concrete and loading modes. Based on the relationship between stress and strain of self-compacting concrete-filled steel tubular and concrete, a practical calculation method for theoretical analysis was applied by using axial strength bearing capacity of steel tubular columns. The finite element program ANSYS was applied to the analysis of axial compressive column load-strain relationship. It shows that the testvalues are higher than the theoretical values and are in good agreement with the finite element analysis. The test results have some practical references for relevant engineering application.

参考文献/References:

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相似文献/References:

[1]段绍臻,马 钰,史艳莉,等.施工初应力作用下内配十字形型钢的圆钢管混凝土 轴压短柱力学性能分析[J].建筑科学与工程学报,2020,37(01):85.[doi:10.19815/j.jace.2019.01034]
　DUAN Shao-zhen,MA Yu,SHI Yan-li,et al.Analysis on Axial Compression Mechanical Behavior of Circular Concrete Filled Steel Tubular Stub Columns with Inner Crossed Profiled Steel Under Construction Pre-load[J].Journal of Architecture and Civil Engineering,2020,37(03):85.[doi:10.19815/j.jace.2019.01034]
[2]王文达,李鲜珺,范家浩.内置型钢钢管混凝土轴压构件设计方法研究及 可靠度分析[J].建筑科学与工程学报,2020,37(06):11.
　WANG Wen-da,LI Xian-jun,FAN Jia-hao.Design Method Research and Reliability Analysis of Concrete-filled Steel Tubular Columns with Inner Steel Under Axial Compression[J].Journal of Architecture and Civil Engineering,2020,37(03):11.

备注/Memo

备注/Memo:

收稿日期:2008-06-16
基金项目:国家自然科学基金项目(50778070)
作者简介:李 毅(1978-),男,湖南郴州人,工学博士研究生,E-mail:liyi_0514@163.com。

常用功能

更新日期/Last Update: 2008-09-20