2010年12月 施工技术 第39卷第12期 CONSTRUCTION TECHNOLOGY 91 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 (1.广西工学院土木建工程系，广西柳州545006；2.同济大学地下建筑与工程系，上海200092) [滴要]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 [文戴标识码]A[文章编号]1002-8498(2010)12-0091-03 Construction Technology on Geocell Treating High Fill New-old Embankment Wang Jiaquan' Zhou Jian2 Wu Huiqin' Huang Liuyun' (1.Department of Ciil Engineering Guangxi University of Technology Liuzhou Guangxi 545006 China; 2.Department of Geotechnical Engineering Tongji Unisersity Shanghai 200092 China) Abstract:In mountain highway widening projects it is easy to appear differential settlement problem for the mountain high fill new-old embankment.According to the numerical analysis results and field condition the geocell treatment plan is proposed.Then the field construction control method and the examination standard are analyzed in detail.At the same time the in-depth lateral displacement and settlement observation of the field new-old embankment joining sections are analyzed.The results show that the strict controlling field construction quality which may guarantee the geocell structure layers to have a three-dimensional reinforcement effect is helpful to enhance the stability of new-old embankment joining sections and reduce the differential seltlement. Key words:geocell;new-old emb...
土工格室处理高填方新旧路堤施工技术.pdf
