韶关白土北江大桥静动载试验报告
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1 工程概况 .............................................................................................................................................. 1 2 依 据 .................................................................................................................................................... 2 3 试验目的 .............................................................................................................................................. 2 4 仪器设备 .............................................................................................................................................. 2 5 试验跨选择 .......................................................................................................................................... 2 6 静载试验内容 ...................................................................................................................................... 3 6.1 6.2 6.3 控制截面................................................................................................................................. 3 试验内容................................................................................................................................. 3 测点布置................................................................................................................................. 3
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10 试验结果 .............................................................................................................................................. 9 10.1 试验效率 ................................................................................................................................. 9 10.2 挠度分析 ............................................................................................................................... 10 10.2.1 实测挠度 ............................................................................................................................ 10 10.2.2 横向分布系数 .................................................................................................................... 10 10.2.3 挠度校验系数 .................................................................................................................... 11 10.2.4 残余挠度 ............................................................................................................................ 11 10.2.5 计算挠度与实测挠度关系................................................................................................. 11 10.3 应变分析 ............................................................................................................................... 12 10.3.1 实测应变 ............................................................................................................................ 12 10.3.2 应变校验系数 .................................................................................................................... 13 10.3.3 残余应变 ............................................................................................................................ 13 10.3.4 计算应变与实测应变关系................................................................................................. 14 11 动载试验 ............................................................................................................................................ 15 11.1 有限元理论计算 ................................................................................................................... 15 11.2 试验内容 ............................................................................................................................... 15 11.3 试验车辆的主要技术指标 ................................................................................................... 15 11.4 传感器布设 ........................................................................................................................... 15 11.5 激振方法 ............................................................................................................................... 16 11.5.1 跑车法 ................................................................................................................................ 16 11.5.2 跳车法 ................................................................................................................................ 16 11.6 动力特性的测定 ................................................................................................................... 16 12 试验结果分析评定............................................................................................................................. 18 12.1 试验效率 ............................................................................................................................... 18 12.2 整体横向刚度 ....................................................................................................................... 18 12.3 刚度 ....................................................................................................................................... 18 12.4 抗裂性分析 ........................................................................................................................... 18 12.5 承载能力 ............................................................................................................................... 19 12.6 结构工作状态 ....................................................................................................................... 19 12.7 结构的固有频率 ................................................................................................................... 19 13 结 论 .................................................................................................................................................. 19
录
1 工程概况 .............................................................................................................................................. 1 2 依 据 .................................................................................................................................................... 2 3 试验目的 .............................................................................................................................................. 2 4 仪器设备 .............................................................................................................................................. 2 5 试验跨选择 .......................................................................................................................................... 2 6 静载试验内容 ...................................................................................................................................... 3 6.1 6.2 6.3 控制截面................................................................................................................................. 3 试验内容................................................................................................................................. 3 测点布置................................................................................................................................. 3
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10 试验结果 .............................................................................................................................................. 9 10.1 试验效率 ................................................................................................................................. 9 10.2 挠度分析 ............................................................................................................................... 10 10.2.1 实测挠度 ............................................................................................................................ 10 10.2.2 横向分布系数 .................................................................................................................... 10 10.2.3 挠度校验系数 .................................................................................................................... 11 10.2.4 残余挠度 ............................................................................................................................ 11 10.2.5 计算挠度与实测挠度关系................................................................................................. 11 10.3 应变分析 ............................................................................................................................... 12 10.3.1 实测应变 ............................................................................................................................ 12 10.3.2 应变校验系数 .................................................................................................................... 13 10.3.3 残余应变 ............................................................................................................................ 13 10.3.4 计算应变与实测应变关系................................................................................................. 14 11 动载试验 ............................................................................................................................................ 15 11.1 有限元理论计算 ................................................................................................................... 15 11.2 试验内容 ............................................................................................................................... 15 11.3 试验车辆的主要技术指标 ................................................................................................... 15 11.4 传感器布设 ........................................................................................................................... 15 11.5 激振方法 ............................................................................................................................... 16 11.5.1 跑车法 ................................................................................................................................ 16 11.5.2 跳车法 ................................................................................................................................ 16 11.6 动力特性的测定 ................................................................................................................... 16 12 试验结果分析评定............................................................................................................................. 18 12.1 试验效率 ............................................................................................................................... 18 12.2 整体横向刚度 ....................................................................................................................... 18 12.3 刚度 ....................................................................................................................................... 18 12.4 抗裂性分析 ........................................................................................................................... 18 12.5 承载能力 ............................................................................................................................... 19 12.6 结构工作状态 ....................................................................................................................... 19 12.7 结构的固有频率 ................................................................................................................... 19 13 结 论 .................................................................................................................................................. 19
