Analysis of steel-concrete composite structure with overlap slab of Xingguang bridge

来源期刊：中南大学学报(英文版)2007年第1期

论文作者：叶梅新 黄琼 吴芹芹

文章页码：120 - 120

Key words：composite structure; numerical method; two-step finite element method; mechanical behavior

Abstract: Finite element modeling methods of steel-concrete composite structure with overlap slab were investigated. A two-step finite element method was presented. It was applied to analyze an extra long span composite bridge. The conversion of structure system and the mechanical behavior of the bridge were analyzed with two different construction methods. The stresses of steel beams, precast slabs and in-situ-place concrete under the total load were compared. The results show that steel-concrete composite structure with overlap slab has many advantages, the construction method that the top in-situ concrete and the concrete in construction joints are cast respectively is rather reasonable than the one that the top in-situ concrete and the concrete in construction joints are cast at the same time, and the two-step finite element method is affective to such large-scale structures.

基金信息：the Science and Technology Development Program of Railways Department, China