钢管混凝土拱桥动力试验与动力性能分析

以龙西大桥为工程背景,详细介绍该桥有限元模型的建模思路、要点及其动力试验方法。结合理论计算和试验数据,从自振特性、行车舒适度、阻尼特性、动力冲击效应和动力响应等方面分析桥梁的动力性能。动力理论分析和试验结果较为吻合,说明该桥有限元模型能够真实反映该桥的动力特性,可以为桥梁的健康检测和状态评估提供可靠的参考依据。

Power Test and Power Performance Analysis for Steel Tube Concrete Arch Bridge

Based on the project background of Longxi Bridge,this paper introduces the ideas and key points for establishing finite element model of the bridge and its power test methods in detail.In combination with theoretical calculations and test data,the paper analyzes the power performance of the bridge from various aspects such as self-vibration characteristic,driving comfort,damping characteristic,power impact effect and power response,etc.The coincidence between the theoretical analysis and test result indicat...