摘要
简支钢桁架桥受力明确,构造简单明快;钢桁架的制作主要在梁场进行,环境可控,制作工艺成熟可靠,成品质量高;桥梁架设周期短,节约工期,特别适用于施工工期受限制的项目;施工期间对环境影响小,污染小,且桥型简洁、美观、大方,因此钢桁架桥梁越来越多地应用于工程实践。主要介绍了不老河大桥主桥简支钢桁架的总体设计及结构计算分析过程,可为此类桥梁设计提供参考。
Simply supported steel truss bridge has clear force and simple structure;the manufacture of steel truss is mainly carried out in girder yard with controllable environment,mature and reliable fabrication technology and high-quality finished product;the bridge erection cycle is short and the construction period is saved,which is especially suitable for projects with limited construction period;the construction period has little impact on the environment,the pollution is low,and the bridge type is concise,beautiful and generous.Therefore,steel truss bridges are more and more used in engineering practice.The overall design and structural calculation and analysis process of the simply supported steel truss of the main bridge of the Bulaohe Bridge are mainly introduced,which can provide reference for the design of similar bridges.
作者
张灿华
刘樊程
ZHANG Can-hua;LIU Fan-cheng(Xuzhou Communications Planning and Design Institute,Xuzhou 221006,China)
出处
《北方交通》
2019年第12期11-14,共4页
Northern Communications
关键词
简支钢桁架
总体设计
结构计算分析
Simply supported steel truss
Overall design
Structural calculation and analysis
