| 中承式系杆拱桥中跨钢挂孔异常振动原因分析 |
| |
| 引用本文： | 杨刚.中承式系杆拱桥中跨钢挂孔异常振动原因分析[J].城市道桥与防洪,2020(6):54-56,M0009. |
| |
| 作者姓名： | 杨刚 |
| |
| 作者单位： | 1.上海同丰工程咨询有限公司 |
| |
| 摘 要： | 以长春某桥为例,对其存在异常振动的中跨钢箱梁挂孔进行支座静压试验,主桥吊杆索力测试,主桥竖向模态测试,分析该病害产生原因,并提供维修措施,为后期同类型桥梁在检测及养护过程中存在相同病害时进行合理处置提供依据。
|
| 关 键 词： | 钢箱梁 试验 索力 模态 |
Analysis on Abnormal Vibration Causes of Mid-span Steel Hanging Hole of Half-through Bowstring Arch Bridge |
| |
| YANG Gang.Analysis on Abnormal Vibration Causes of Mid-span Steel Hanging Hole of Half-through Bowstring Arch Bridge[J].Urban Roads Bridges & Flood Control,2020(6):54-56,M0009. |
| |
| Authors: | YANG Gang |
| |
| Abstract: | Taking a bridge of Changchun as an example,the static pressure test of support is carried out for the hanging hole of mid-span steel box girder with abnormal vibration,the suspender cable force of the main bridge is tested and the vertical mode of the main bridge is tested.The disease causes are analyzed.The maintenance measures are provided.The basis is provided for reasonably treating the same diseases in the detection and maintenance process of the similar bridges in the later period. |
| |
| Keywords: | steel box girder test cable force mode |
| 本文献已被 CNKI 维普 等数据库收录！ |
|
