类抗滑桩注浆技术在高填土路基处理中的应用

Application of analogous anti-slippery stake grouting technology in combined section of high roadbed

针对高速公路改扩建工程中新老路基结合部如何有效处理问题,尤其是针对局部高填方土路基段,如何解决由于新路基的自然沉降量相对大产生局部出现较大沉降,造成路面纵向开裂、影响了路基的整体稳定性的问题,提出了“类抗滑桩注浆”处理技术。介绍了该技术应用的技术特点和有关参数的设计,处理结果表明,该技术的应用,降低了新路基的自然沉降量,增强了新老路基的结合力,大大提高了高填方土路基的稳定性,为类似工程提供借鉴。

In the project of highway rebuilding and expanding, the cohesion of the old and new roadbed is quite important, especially in the part of much earth filling. And the problem of natural subsidence of new roadbed, resulting in the vertical fracture of the road surface and weakening the stability of the whole roadbed, makes it important to put forward a new technology-- analogous anti-slippery stake grouting technology. The traits and some parameters of this technology are introduced in this essay and the application of it reduces the subsidence of new roadbed, strengthens the cohesion of the old and new roadbed, thus improving the stability of the high roadbed, which offers reference to the similar projects.