钢-混组合连续箱梁桥的设计要点  

Design Points of Steel-concrete Composite Continuous Box Girder Bridge

作　　者：徐亮 XU Liang(Liaoning Provincial Transportation Planning and Design Institute Co.,Ltd.,Shenyang 110166,China)

机构地区：[1]辽宁省交通规划设计院有限责任公司,沈阳市110166

出　　处：《北方交通》2020年第12期1-4,共4页Northern Communications

摘　　要：以沈阳市长青街快速路工程为背景,通过桥梁博士对40m+48m+40m跨钢-混组合连续箱梁桥进行计算分析,针对组合梁采用单梁计算模型设计过程中存在的问题和难点,提出了相应的解决方法,总结了钢混组合箱梁桥的设计要点。Taking the expressway project of Changqing street in Shenyang as the background,the corresponding solutions are put forward through the calculation and analysis of 40m+48m+40m span steel-concrete composite continuous box girder bridge with bridge doctor program as well as the problems and difficulties in the design process of composite beam using single beam calculation model,so as to summarize the design points of steel-concrete composite box girder bridge.

关 键 词：钢混组合箱梁 开裂截面 施工阶段 腹板剪力分配比 纵向抗剪界面 

分 类 号：U448.216[建筑科学—桥梁与隧道工程]