PERFORMANCE OF CFRP-STRENGHTENED CONCRETE FILLED STEEL TUBES UNDER AXIAL COMPRESSION

被引：0
|
作者：
Wang, Zhi-Bin [1 ]
Tao, Zhong [1 ]
Han, Lin-Hai
机构：
[1] Fuzhou Univ, Coll Civil Engn, Fuzhou 350108, Fujian Province, Peoples R China
来源：
PROCEEDINGS OF THE TENTH INTERNATIONAL SYMPOSIUM ON STRUCTURAL ENGINEERING FOR YOUNG EXPERTS, VOLS I AND II | 2008年
关键词：
Concrete filled steel tubes (CFST); Fiber reinforced polymers (FRP); Hollow section; Stub column; Strengthening;
D O I：
暂无
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
This paper presents an experimental study of concrete Filled steel tubular (CFST) stub columns strengthened with carbon fiber reinforced polymer (CFRP) composites subjected to axial compression. Twenty specimens were tested to investigate the effects of steel tube shape, number of CFRP layers and steel wall thickness oil the performance of the composite columns. The test results indicated that the CFRP jackets enhanced the load-bearing capacity for the circular columns effectively, whereas the enhancement was less significant for square columns. A simple model is proposed in this paper to calculate the ultimate strength of square CFST stub columns wrapped with CFRP. The predicted results are generally in good agreement with the experimental results.
引用
收藏
页码：689 / 694
页数：6
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