公路拓宽路基差异沉降规律现场试验研究  

Field test research on regular of deferential settlement in express highway widening project

作　　者：刘广波 王喆[2] 王珂[2] 张宏博[2] 陈月霞 Liu Guangbo;Wang Zhe;Wang Ke;Zhang Hongbo;Chen Yuexia(Shandong Hi-speed Co.,Ltd,Jinan 250000,China;Shandong University,Jinan 250000,China;Shandong Agricultural Engineering College,Jinan 250000,China)

机构地区：[1]山东高速股份有限公司,山东济南250000 [2]山东大学,山东济南250000 [3]山东农业工程学院,山东济南250000

出　　处：《山西建筑》2018年第35期144-145,215,共3页Shanxi Architecture

摘　　要：通过开展济南—青岛高速公路改扩建工程拓宽路基现场试验,对改扩建公路拓宽路基差异沉降规律进行研究,并在此基础上,进一步分析了不同地基处理方式下新旧路基差异沉降特性,为改扩建工程设计施工方案选择提供了科学依据。By conducting the field test of widening subgrade in the widening project of Jinan-Qingdao expressway,this paper studies the differential settlement law of widening subgrade.On this basis,the different settlement characteristics of old and new subgrade under different foundation treatment methods are further analyzed,which provides a scientific basis for the selection of design and construction scheme for widening projects.

关 键 词：改扩建 差异沉降 现场试验 地基处理 

分 类 号：U41[交通运输工程—道路与铁道工程]