钢管桩排架加固危桥施工技术

Constructional technique of strengthening a dangerous bridge with steel pipe pile bent

较详细地介绍了英德人民大桥拱跨开裂之后 ,影响了市区两岸居民的交通和正常的生产、生活 ,通过对木桩加固和采用振动锤下沉钢管桩形成排架快速加固两种方案的比选 ,最终采用后一种方案 ,并通过受力分析对加固方案的可靠性进行了评估。采用钢管桩排架快速加固危桥的施工技术 ,仅用 5d就全部完成了整个旧桥的加固 ,收到了良好的经济和社会效益。

Urban traffic of residents on either side of the river and normal production and life are affected after span of arch of Yingde people bridge cracks. The write compares strengthening with wood piles with strengthening rapidly by forming bent with steel pipe piles vibrosinking, selects the last a kind of scheme at last, evaluates reliability of strengthening scheme by mechanical analysis, introduces overall constructional process of strengthening. The overall strengthening process of old bridge is finished only in five days with constructional technique of rapidly strengthening a dangerous bridge with steel pipe pile bent. It obtains good economic benefit and social benefit.