桥梁结构恒载状态位移评估方法研究

Study on Constant Load Status Displacement Evaluation Method of Bridge Structure

桥梁位移评价是利用测量手段,对桥梁各控制断面的位移变化进行监测,并绘制相应的位移影响线或变形曲线,以检测各控制部位位移状态,从而以此总体评估桥梁结果的刚度、营造状态和耐久力。该文从预测模型的建立与位移评估的流程,介绍了桥梁结构恒载状态位移评估的方法,并以宁波招宝山大桥为实例作了分析。该方法可供同类工程借鉴。

The bridge displacement Evaluation is a measuring means to monitor the displacement variation of each controlled section of bridge,and draws the relative displacement effect or deformation curve to inspect the displacement status of each controlled part so as to overall evaluate the rigidity,building status and durability of bridge.The article introduces the setup of forecast model,the flow of displacement evaluation and constant load status displacement evaluation method of bridge structure,and analyzes the practical case by the example of Ningbo Zhaobaoshan Bridge.This method can be referred for the similar projects.