连续梁桥施工预拱度计算方法研究  

Research on calculation method of pre-arch degree of continuous beam bridge construction

作　　者：马雨 孙铭辉 苏文明 张太磊 MA Yu;SUN Minghui;SU Wenming;ZHANG Tailei(Shandong Highway and Bridge Construction Group Co.,Ltd.,Shandong Jinan 250002 China;Shandong High Speed Engineering Testing Co.,Ltd.,Shandong Jinan 250002 China;Key Laboratory of Bridge Structure Big Data and Performance Diagnosis Treatment and Improvement of Transportation Industry,Shandong Jinan 250002 China)

机构地区：[1]山东省公路桥梁建设集团有限公司,山东济南250014 [2]山东高速工程检测有限公司,山东济南250002 [3]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

出　　处：《山东交通科技》2024年第3期58-60,共3页

摘　　要：采用Midas Civil有限元软件进行建模分析,在悬臂挂篮浇筑施工过程中,建立施工线形控制体系,对施工预拱度进行预测,施工过程中与理论值进行比对,不断调整仿真模型,确保连续梁桥施工过程及成桥状态结构安全、几何线形符合规范要求。The Midas Civil finite element software is utilized for modeling and analysis.In the construction process of cantilever hanging basket pouring,a construction linear control system is established to predict the pre-arch degree,compare the construction process with theoretical values,and continuously adjust the simulation model to ensure the safety of the construction process for continuous beam bridges and the completed bridge state,as well as to ensure that the geometric linear shape meets specifications.

关 键 词：连续梁桥 悬臂浇筑 施工控制 预拱度 

分 类 号：U441[建筑科学—桥梁与隧道工程]