钢-混组合连续箱梁桥施工阶段计算分析  

Computational Analysis of Steel-Mixed Composite Continuous Box Girder Bridge in Construction Stage

作　　者：李林 卢珊珊[2] LI Lin;LU Shan-shan(Second Engineering Co.Ltd.of China Railway Seventh Bureau Group Co.Ltd.,Shenyang 110000,China;Jiangxi Modem Polytechinc College,Nanchang 330095,China)

机构地区：[1]中铁七局集团有限公司第二工程有限公司,沈阳110000 [2]江西现代职业技术学院,南昌330095

出　　处：《工程建设与设计》2021年第9期78-80,共3页Construction & Design for Engineering

摘　　要：钢-混组合梁因其受力性能、经济、造型各方面的优越性得到广泛运用。依托某实际钢混组合连续梁桥,采用MIDAS/CIVIL桥梁结构计算软件,建立考虑实际施工阶段的组合梁全桥整体杆系单元模型,并对组合梁全桥施工过程中钢结构及混凝土桥面板应力、变形进行分析。分析结果可为工程设计、施工提供参考借鉴,对于提高组合梁的应用效果、实现工程效益具有重要的意义。Steel-concrete composite beams have been widely used due to their obvious mechanical performance,economic and modeling advantages.Relying on an actual steel-concrete composite continuous girder bridge,using MIDAS/CIVIL bridge structure calculation software to establish a composite girder full bridge integral unit model considering the actual construction stage,and evaluate the stress and deformation of the steel structure and concrete deck slab during the construction of the composite girder full bridge.The analysis results can provide references for engineering design and construction,to improve the application effect of composite beams and realizing engineering benefits.

关 键 词：钢-混组合梁 施工阶段 设计优化 有限元计算 

分 类 号：U442[建筑科学—桥梁与隧道工程]