软土路基段高速公路已建桥梁桥头跳车维修方法

Repair Methods for Bridge Jumping Problem at Bridge Approach Built on Soft Foundation

针对软土路基高速公路已建桥梁桥头跳车问题,介绍目前桥头跳车常用的几种维修方法。通过对比分析可知:相比其他传统维修技术,聚氨酯注浆技术经济性明显,可以有效处理软土地区高速公路已建桥梁桥头跳车问题。

This article introduces several commonly used repair methods for bridge jumping.Comparative analysis shows that the technical and economic performance of polyurethane grouting technology is significant,and can be used to deal with bridge jumping problem at bridge approach built on soft foundation effectively.