路基路面工程中的注浆新技术  

New Grouting Technology in Subgrade and Pavement Engineering

作　　者：何长明[1] 赵炼恒[2] 李亮[2] 

机构地区：[1]广州市市政工程设计研究院,广州510060 [2]中南大学土木建筑学院,长沙410075

出　　处：《路基工程》2011年第4期156-158,共3页Subgrade Engineering

基　　金：铁道部科技研究开发计划重点项目(2008G032-3)

摘　　要：介绍沥青路面浅层注浆加固基层及新旧路基结合部预埋柔性管两种注浆新技术,提出其适用范围、施工工艺及注浆效果的检验。对比分析注浆检测结果表明:对水泥路面注浆能很好地治理路面面板脱空,沥青路面基层补强注浆能提高沥青路面基层的整体强度,在新旧路基结合部预埋柔性管注浆能显著降低路基的差异沉降。Two new technologies of shallow grouting on asphalt pavement for subgrade reinforcement and embedding flexible pipe in the junction between new and old roadbeds are introduced in this paper.Then their application scope,construction process and grouting effect inspection are separately put forward.Through comparison of grouting results,it is shown that grouting on cement pavement can better prevent hollowing of cement slab;grouting on asphalt pavement can improve the overall strength of subgrade;embedding flexible pipe in the junction between new and old roadbeds can significantly reduce the differential settlement of subgrade.

关 键 词：路基 沥青路面 水泥路面 新旧路基结合部 柔性管 注浆 

分 类 号：U416.2[交通运输工程—道路与铁道工程]