整体顶升法改造桥梁方案(以大南湖村桥为例)

Transformation Bridge Plan with Integrally Jack-up Method(The Case of South Lake Village Bridge)

整体顶升上跨湖北省武汉市三环线的大南湖村桥,技术难度大,施工风险高,必须制定安全可靠的改造方案。该文结合施工顺序、顶升施工工艺及后期效果对方案进行了详细说明。

Integrally jack-up method was used on village bridge across the three loop lines of south lake in Wuhan city,hubei province. The construction was difficult and risk. The saec and reliable transformation plan must be devel-oped. In this paper, combined with the construction sequence,jack-up construction technology and effect of solution, the tranformation plan was stated in detail.