钢管混凝土拱桥施工过程的应力监测与研究

Monitoring and Study on Stress in Construction Course of Steel Pipe Concrete Arch Bridge

介绍大跨径钢管混凝土拱桥的施工监控理论和方法,对烟台市养马岛跨海大桥主桥建立了有限元分析空间模型,采用空间有限元分析系统(MIDAS/Civil)对整个施工阶段进行了分析计算,并通过该桥全过程的施工监测结果,探索大跨径钢管混凝土拱桥的受力特性。结果表明,施工控制所采用的计算模型、监测方法和控制方法是可行的。

The paper introduces the theory and method of construction monitoring control of large-span steel pipe concrete arch bridge. For the main bridge of Yangmadao Bridge across Sea in Yantai City the finite element analysis space model is established. It analyzes and calculates the whole construction period by using space finite element analysis system (MIDAS/Civil). It also approaches to the forced characteristics of large-span steel pipe concrete arch bridge through monitoring the result of the full course of the bridge construction. The result shows that the calculated model, monitoring method and control method used by construction control is feasible.