2014年7月上 施工技术 第43卷第13期 CONSTRUCTION TECHNOLOGY 59 D0I:10.7672/sgj2014130059 黄土地区SMW工法桩与预应力锚索 联合支护深基坑监测分析 伍丽珍1 2，邹仁华，曹青3，李静4 (1.西安科技大学建筑与土木工程学院，陕西西安710054；2.陕西能源职业技术学晓，陕西阳712000； 3.中铁建设集团有限公司，北京100131；4.陕西省建筑科学研究院，陕西西安710082) [摘要]在西安某大厦深基坑支护工程中采用钢绞线预应力错索与MW工法桩联合的基坑支护方案.通过对围 护结构及周边环境的跟踪监测数据进行分析，探讨基坑开挖过程中支护结构的变形趋势及其对周边环境的影响， 得出支护结构的内力、坑周深层土体水平位移（测斜）随时间变化的规律，实现了信息化施工.结果证明，该支护 形式能保证基坑开挖稳定性，为黄土地区中的基坑支护提供了新的选择. [关键词]地下工程；深基坑；支护；锚索；SMW工法桩；监测 [中图分类号]TU753 [文献标识码]A[文章编号]1002-8498(2014)13-0059-04 Monitoring Analysis on Deep Foundation Excavation Supporting Structure of Prestressed Anchor Cable and SMW Piles in Loess Area Wu Lizhen.2 Zou Renhua? Cao Qing' Li Jing (1.College of Architecture and Civil Engineering Xi'an University of Science and Technology Xi'an Shaanxi 710054 China; 2.Shaanxi Energy Vocational Technological College Xianyang Shaanxi 712000 China;3.China Railway Construction Group Co. Ltd.Beijing 100131 China;4.Shaanxi Institute of Building Research Xi'an Shaanxi 710082 China) Abstract:In a building project of deep foundation excavation supporting in Xi'an the supports scheme of steel strand prestressing anchor cable with SMW pile method was adopted.According to the analysis of retaining structure and surrounding environment monitoring data this paper discussed the tendency of supporting structure deformation and its influence on the surrounding environment in excavation process got the rule of the internal force of retaining structure and deep horizontal displacement aroun...
黄土地区SMW工法桩与预应力锚索联合支护深基坑监测分析.pdf
