斜跨异型拱桥的设计与分析  

Design and Analysis of Slanting Cross Special-shaped Arch Bridge

作　　者：王会利[1] 秦泗凤[2] 张哲[1] 杨光 

机构地区：[1]大连理工大学桥梁工程研究所,大连116023 [2]大连大学材料破坏力学数值试验研究中心,大连116022 [3]林同棪国际(重庆)工程咨询有限公司,重庆401121

出　　处：《武汉理工大学学报（交通科学与工程版）》2012年第6期1157-1160,1165,共5页Journal of Wuhan University of Technology（Transportation Science & Engineering）

摘　　要：斜跨异型拱桥造型新颖别致,适合于城市景观桥梁.文中以张家口通泰大桥为工程背景,介绍斜跨异型拱桥的设计方法,分析斜跨拱桥的静力特性和稳定性.建立空间有限元计算模型,分别得到拱肋和主梁在最不利荷载组合下的应力包络图,以及拱肋在各阶段的稳定系数.计算结果分析得到,由于吊索不平衡水平分力和风荷载作用,横向荷载是斜跨异型拱的控制荷载.The slanting cross special-shaped arch bridge is fit for urban landscape bridge, with unique design and updated style. Based on Tongtai Bridge in Zhangjiakou, the design method, static charac- teristic, and stability of the bridge are introduced. The stress envelopes of girder and arch under the most unfavorable load combination, the arch stability of various stages are gotten by spacial FEM. From the results, we can draw the conclusion that the lateral load is governing load for slanting cross special-shaped arch bridge because of horizontal component of suspender and wind load.

关 键 词：斜跨 异型拱桥 设计 静力特性 稳定性 

分 类 号：U441.2[建筑科学—桥梁与隧道工程]