150m提篮式钢系杆拱桥荷载试验研究

Study on Load Test 150-m Carrier-tied Steel Bowstring Arch Bridge

该文介绍了川杨河桥荷载试验的主要内容和方法,结合理论计算,对该桥梁结构的实测应力、挠度及模态参数进行对比分析。试验结果表明,该桥理论分析和设计计算方法可靠,施工质量优良,桥梁刚度和承载能力满足设计要求。研究结果可为同类型桥梁的设计和成桥试验提供参考。

The article introduces the main contents and methods of the load test for Chuanyang River Bridge,contrasts and analyzes the measured stress,deflection and modal parameters of the bridge structure according to the theoretical calculation.The test results demonstrate that the theoretic analysis and design calculation methods of the bridge are reliable,the construction quality is excellent,and the rigidity and bearing capacity of the bridge can satisfy the design requirements,which can serve as the reference for the design and load tests of the similar bridges.