【摘 要】
：
本文主要通过在大型钢栈桥结构施加与设计荷载或使用荷载基本相当的外载,采用分级加载的方法,利用动态应变测试分析系统等检测仪器测试桥梁结构的控制部位与控制截面在各级荷载作用下的挠度、应力、横向分布等特性的变化,将测试结果与结构按相应荷载作用下的计算值与有关规范值做比较,从而评定钢栈桥结构的承载能力及运行状态。
论文部分内容阅读
本文主要通过在大型钢栈桥结构施加与设计荷载或使用荷载基本相当的外载,采用分级加载的方法,利用动态应变测试分析系统等检测仪器测试桥梁结构的控制部位与控制截面在各级荷载作用下的挠度、应力、横向分布等特性的变化,将测试结果与结构按相应荷载作用下的计算值与有关规范值做比较,从而评定钢栈桥结构的承载能力及运行状态。
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