Experimental and analytical behavior of haunched thin-walled RC girders and box girders

被引：13
|
作者：
Galal, Khaled [1 ]
Yang, Qing [1 ]
机构：
[1] Concordia Univ, Dept Bldg Civil & Environm Engn, Montreal, PQ H3G 1M8, Canada
来源：
THIN-WALLED STRUCTURES | 2009年 / 47卷 / 02期
关键词：
Reinforced concrete; Bridges; Haunched girder; Torsion; Eccentric load; Box section; Open section; ADINA; CONCRETE; ADINA; MODEL;
D O I：
10.1016/j.tws.2008.05.010
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
This paper presents an experimental and analytical investigation on the behavior of haunched thin-walled reinforced concrete (RC) girders and box girders subjected to centric and eccentric loads. Five tests were conducted on medium-scale RC girders and box girders to study the effect of load eccentricity and the influence of bottom slabs on their ultimate load-carrying capacities, failure mechanisms and load-deformation relationships. Accordingly, the tested girders were modeled using ADINA, and a nonlinear finite element analysis was conducted. The investigation showed that load eccentricities considerably reduced the ultimate loads and the ductility of the girders with open sections. However, when the open section was converted to a full-span box section, the behaviors of the girders were significantly improved. (c) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码：202 / 218
页数：17
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