多年冻土区地基融沉处理形式

PROCESSING FROM OF FOUNDATION THAW IN PERMAFROST AERO

为了减少多年冻土地区地基融沉对公路路用性能的影响,以前嫩公路昆仑气道口至伊春绥棱界为研究对象,在分析实际勘测资料和冻土地区融沉处理方式上,对试验断面地质条件的相异性进行比较,配合三种地基融沉处理方式(包括碎石桩技术、水稳砂砾桩技术和换填砂砾技术),以尽量避免和减少工程干预对多年冻土的不利影响。本文提出不同的地质情况应因地制宜的采用不同地基融沉处理方式,这对防治公路工程病害和提高运输效益都有重要的意义。

In order to reduce the influence of foundation thaw to highway engineering in permafrost aero,focalizing on yichun highway（from kunlunqidaokou to yichunsuilingjie）,this paper studies actual testing data and processing method of foundation thaw,aims at different survey materials of geological conditions of section with three analysis of roadbed treatment,including gravel pile technology,water stability of gravel pile technology and replacement sand-grcwel technology,to reduce impact on thaw.This paper provides different geological condition should be implemented by different processing of foundation thaw,that has great significance for prevention the foundation of highway engineering disease and improving the transportation benefits.