新疆盐渍土路基改良方法分析与实施  

Analysis and Implementation of Improvement Methods for Saline Soil Subgrade in Xinjiang

作　　者：高进松 陈卓 梁延鹏 GAO Jinsong;CHEN Zhuo;LIANG Yanpeng(China Communication North Road and Bridge Co.,LTD.,Beijing 100024,China;School of Prospecting and Surveying Engineering,Changchun Institute of Technology,Changchun 130021,China;Jilin Zhongcheng Engineering Design Co.,LTD.,Changchun 130000,China)

机构地区：[1]中交路桥北方工程有限公司,北京100024 [2]长春工程学院勘查与测绘工程学院,长春130021 [3]吉林省中程工程设计有限公司,长春130000

出　　处：《长春工程学院学报(自然科学版)》2025年第1期82-87,共6页Journal of Changchun Institute of Technology:Natural Sciences Edition

摘　　要：在干旱且温差大的新疆地区铺设公路无法避免经过盐渍土体,为保证路基施工质量和道路安全,需对盐渍土区域进行改良。针对该地区的气候条件和水文地质条件,分析盐渍土的成因及病害机理,并基于此地区盐渍土特点,结合现有改良方法,通过换填法、提高路基高度和设置隔断层等方法对该区域进行改良。采用天然砂砾作为填料,并通过土工试验验证了填料各项参数满足规范要求,最后通过直剪试验验证填筑路基的质量,试验结果表明换填后的土样黏聚力提升了约82.4%。It is unavoidable to pass through saline soil when laying roads in Xinjiang region,where is arid and large range of temperatures.It is necessary to improve the saline soil area To ensure the quality of subgrade and road safety,according to the climatic and hydrogeological conditions of the region,it analyzes the cause and disease mechanisms of saline soil,combining with existing improvement methods based on the characteristics of saline soil in this region,and improves the saline soil in this area by replacing the filling,raising the height of the subgrade and setting up the isolation fault.It uses the natural gravels as filling materials,verifies the parameters of the filling materials to meet the specification requirements through geotechnical tests,and tests the quality of the filled subgrade by direct shear tests.The test results demonstrate an approximately 82.4%increase in cohesion of the soil sample after replacement.

关 键 词：新疆盐渍土路基 盐渍化成因 改良技术 换填法 

分 类 号：U416.1[交通运输工程—道路与铁道工程]