Compressive behaviour of concrete elliptical columns confined by single hoops

被引：15
作者：
Campione, Giuseppe [1 ]
Fossetti, Marinella [1 ]
机构：
[1] Univ Palermo, Dipartimento Ingn Strutturale & Geotecn, I-90128 Palermo, Italy
来源：
ENGINEERING STRUCTURES | 2007年 / 29卷 / 03期
关键词：
confinement; hoops; ellipse; maximum compressive strength; ultimate strain; ultimate stress; stress-strain curves;
D O I：
10.1016/j.engstruct.2006.05.006
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The compressive behaviour of short concrete members having elliptical cross-sections and confined with single steel hoops is investigated. A simplified model for compressed concrete members with elliptical cross-sections able to determine the maximum compressive strength of confined concrete is proposed. Based on equilibrium consideration the confining pressures due to steel hoops, referring to a fictitious reduced area of the confined core, were determined. Therefore, the stress-train curves of confined concrete are generated by using compatibility conditions and referring to a fictitious equivalent compressed cylinder. Finally analytical results are compared with experimental values available in the literature showing good agreement. (c) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码：408 / 417
页数：10
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