土工格室处理高填方新旧路堤施工技术.pdf

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2010年12月施工技术第39卷第12期 CONSTRUCTION TECHNOLOGY土工格室处理高填方新旧路堤施工技术王家全,周健2,吴辉琴,黄柳云 (1.广西工学院土木建筑工程系,广西柳州545006;2.同济大学地下建筑与工程系,上海200092) [摘要]结合山区公路改扩建工程,指出山区高填方新旧路堤容易出现不均匀沉降等问题,根据数值分析结果和现场实际情况提出采取土工格室处理方案,重点分析了现场施工控制方法与检测标准,并进行了现场新旧路堤搭接段深层侧向位移和沉降观测数据分析。结果表明,严格控制现场施工质量,可保证土工格室所在结构层发挥立体加筋效果,有助于提高新旧路堤的搭接稳定性,降低新旧路堤的不均匀沉降。【关键词】土工格室新旧路堤位移施工技术【中图分类号]U416.1 [文献标识码]A 编号1002-8498(2010)12-0091-03 Construction Technology on Geocell Treating High FillNew-old EmbankmentWang Jiaquan' ,Zhou Jian' ,Wu Huiqin' ,Huang Liuyun( 1.Department of Engineering ,Guangxi of Technology ,,Guangxi 545006 ,China2 .Department of Geotechnical Engineering ,Tongjt Unisersity ,Shanghai 200092 ,China ) Abstract :In mountain highway widening projects ,it is easy to appear differential settlement problem forthe mountain high fill new-old embankment .According to the numerical analysis results and fieldcondition ,the geocell treatment plan is proposed .Then the field construction control method and theexamination standard are analyzed in detail .At the same time ,the in-depth lateral displacement andsettlement observation of the field new-old embankment joining sections are analyzed .The results showth...

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