双层桥面大跨钢管拱面内极限承载力分析  

Ultimate Bearing Capacity Analysis of Double-deck Large-span Steel Tube Concrete Arch Bridge

作　　者：陈阶亮[1] 张付奎[2] 

机构地区：[1]杭州市城市基础设施建设发展中心,浙江杭州310012 [2]中国建筑设计研究院,北京100044

出　　处：《施工技术》2007年第12期82-83,86,共3页Construction Technology

摘　　要：通过建立空间复合梁单元,将钢管拱根据不同的材料划分为纵向的纤维,每根纤维在纵向分段,纵向的分段通过取若干积分点来实现,采用这样的方法可以更加全面地追踪结构极限承载力的发展过程,并把这种方法用于分析大跨径钢管混凝土拱桥,取得了较好的效果。Based on setting up space complex girder, engineers divide steel pipe arch into longitudinal fibre by different materials. Each fibre is divided into several elements which fulfilled by several integral points. In this way, engineers can roundly trace the process of ultimate bearing capacity, using this method, engineering get better effect in the analysis of large span concrete arch bridge filled steel tube.

关 键 词：桥梁工程 空间复合梁 极限承载力 拱桥 

分 类 号：TU375.01[建筑科学—结构工程] U441[建筑科学—桥梁与隧道工程]