高压旋喷桩在治理高速公路裂缝及沉降中应用

On application of high-pressure rotary jet grouting pile in treatment of cracks and settlement on expressways

结合某工程实例,根据原路况调查结果,分析了该段病害原因,针对存在的纵横向裂缝及不均匀沉降,确定采用高压旋喷桩进行治理,解决了公路运营中裂缝和沉降带来的危害,达到了治理目标。

Combining with some engineering examples,the paper analyzes the reasons for the diseases on the section according to the investigation results of the former road condition,adopts the high-pressure rotary jet grouting pile to undertake the treatment for the vertical and horizontal cracks and uneven settlement,and solves the hazards from the cracks and settlement in its operation and achieve the treatment aims.