同江峪斜拉桥施工监控分析与研究

发布时间：2018-06-22 04:16

本文选题：斜拉桥 + 施工控制　；参考：《大连理工大学》2015年硕士论文

【摘要】：改革开放以来,中国桥梁事业发展速度与水平均为世界第一。为了确保桥梁施工安全,在大跨桥梁施工过程中对桥梁进行施工监控是一项不可缺少的工作。在斜拉桥的施工监控中索力调整是计算中的重点内容。本文以同江峪斜拉桥工程为背景,对其进行施工监控。采用MIDAS/CIVIL有限元分析软件对该桥梁进行施工监控仿真计算,模拟过程采用正装和倒装结合法,对施工阶段的参数和状态进行调整,使模拟结果更加精确和具有保证。施工监控内容主要包括：变形监测、应力检测、索力监测和温度监测四个部分,在监测过程中除了控制实测值在允许值之内以外,还对实测数据进行了误差分析,总结计算索力边界条件的试用范围,以及对大体积混凝土温度控制进行分析。大跨桥梁施工监控市场前景巨大,施工监控技术应用广泛,本文研究目的是为斜拉桥施工监控的计算方法、监控参数、影响因素、结构安全控制提供思路,为今后大跨桥梁的施工监控工作提供可借鉴资料。
[Abstract]:Since the reform and opening up, China's bridge development speed and level are the first in the world. In order to ensure the safety of bridge construction, it is an indispensable work to monitor the construction of long span bridge. In the construction monitoring of cable-stayed bridge, the adjustment of cable force is the key content in calculation. Based on Tongjiangyu cable-stayed bridge project, the construction monitoring is carried out in this paper. Midas / CIVIL finite element analysis software is used to simulate and calculate the bridge construction monitoring and control. In the simulation process, the parameters and state of the construction stage are adjusted by the combination of fitting and inversion, so that the simulation results are more accurate and guaranteed. Construction monitoring includes four parts: deformation monitoring, stress detection, cable force monitoring and temperature monitoring. In the monitoring process, in addition to controlling the measured values within the allowable value, the error analysis of the measured data is also carried out. The trial range of cable force boundary condition is summarized and the temperature control of mass concrete is analyzed. The construction monitoring market of long-span bridges has a great prospect, and the construction monitoring technology is widely used. The purpose of this paper is to provide ideas for the calculation method, monitoring parameters, influencing factors and structural safety control of cable-stayed bridge construction monitoring. It can be used for reference for the construction monitoring work of long span bridge in the future.
【学位授予单位】：大连理工大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：U445

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