高速公路扩建中路基直接拼接技术探讨

Discussion on the foundation direct and split joint technology in express highway extension

分析了旧路加宽改造的意义,结合具体工程实例讨论了目前已改建高速公路中主要采用的直接拼接方式,介绍了路基拓宽的理论分析和拓宽路基处理方法,从而有效地提高路基的整体性和抗裂能力。

The meanings of old road widen reform were analyzed. Combined with engineering examples, the direct and split joint technology adapted in present reconstruction express highway was discussed. The theoretical analysis and widen foundation treating method of foundation widen were introduced, therefore enhanced entirety and crack resistance capacity of foundation effectively.