粉质黏土填料路基冻害治理措施研究  

RESEARCH MEASURES ON THE GOVERNANCE SILTY CLAY SUB-GRADE FILL FROST DAMAGE

作　　者：张生海[1] 杨有海[1] 

机构地区：[1]兰州交通大学土木工程学院,兰州730070

出　　处：《低温建筑技术》2011年第10期123-124,共2页Low Temperature Architecture Technology

摘　　要：疏干孔在铁路粉质黏土填料路基冻害治理方面的应用还不多见。本文结合兰新铁路路基冻害整治工程实例,对路基冻害原因进行了分析,对疏干孔在抑制路基冻胀等方面的原因及效果进行了分析和研究,取得了较好的冻害治理效果,为其在今后该领域的推广应用提供依据。The dewatering holes has been rarely applied in improving freezing treatment of the railway sub-grade.This paper analysis the reason and effect of restraining the frozen damage of subgrade,which according to the projects of subgrade frozen damage of Lanzhou-Xinjiang railway,achieved good frozen treatment effect,provide a basis for its extension and application in this field in the future.

关 键 词：粉质黏土 路基冻害 疏干孔 效果 

分 类 号：TU475.2[建筑科学—结构工程]