转体T型刚构桥支架拆除后梁体变形的研究  

Research on deformation of beam based on rotational T-shaped rigid frame bridge after support removal

作　　者：张太磊 徐兴伟 马雨 张英杰 宋国强 ZHANG Tailei;XU Xingwei;MA Yu;ZHANG Yingjie;SONG Guoqiang(Shandong Hi-speed Engineering Testing Co.,Ltd.,Shandong Jinan 250002 China;Key Laboratory for Bridge Structure Big Data,Performance Diagnosis and Treatment Improvement of Transportation Industry,Shandong Jinan 250002 China;Shandong Highway and Bridge Construction Group Co.,Ltd.,Shandong Jinan 250014 China;Shandong Xiehe Human Resources Co.,Ltd.,Shandong Jinan 250000 China)

机构地区：[1]山东高速工程检测有限公司,山东济南250002 [2]桥梁结构大数据与性能诊治提升交通运输行业重点实验室,山东济南250002 [3]山东省公路桥梁建设集团有限公司,山东济南250014 [4]山东协和人力资源有限公司,山东济南250000

出　　处：《山东交通科技》2023年第6期135-136,158,共3页

摘　　要：基于潍坊至青岛公路及连接线工程上跨胶济铁路、胶济客专立交桥,在支架拆除顺序、预应力张拉力、结构自重、混凝土弹性模量等四个因素进行研究,综合分析支架拆除后影响T型刚构桥梁体变形的敏感性因素,为该类桥梁的线形监控提供参考。Based on the Weifang-Qingdao highway and connecting line project crossing the railway and the passenger dedicated flyover,this paper studies four factors,including the support removal sequence,prestress tension,structural weight,and concrete elastic modulus,comprehensively analyze the key factors that affect the deformation of T-shaped rigid frame bridge beam after the support removal,and provide the basis for the follow-up linear monitoring and control of this type of bridge.

关 键 词：T型刚构桥 支架拆除 预应力张拉 结构自重 弹性模量 梁体变形 

分 类 号：U445.471[建筑科学—桥梁与隧道工程]