| 预应力锚杆与SMW工法组合在某基坑支护中的应用 |
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| 引用本文： | 陈志辉,谢清香,韦启昌.预应力锚杆与SMW工法组合在某基坑支护中的应用[J].施工技术,2009,38(9). |
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| 作者姓名： | 陈志辉 谢清香 韦启昌 |
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| 作者单位： | 中基发展建设工程有限责任公司,北京,100022 |
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| 摘 要： | 苏州万达广场工程采用钢绞线预应力锚杆代替内支撑,与SMW工法组合的基坑支护技术.该工程采用管井降水,基坑周边上部用土钉墙支护,下部除西侧紧邻地铁隧道预应力锚杆无施工空间,选择内部型钢斜撑外,其它三侧均为SMW工法+预应力锚杆支护.详细介绍了基坑降水及组合支护设计方案、主要技术措施,并对支护结构及周边建筑沉降和位移及基坑内地下水位进行观测.结果证明,该支护形式能保证基坑稳定性.
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| 关 键 词： | 基坑支护 预应力锚杆 SMW工法 土钉墙 管井降水 |
Application of Compound Support Technology of Prestressed Anchor and SMW Construction Method in Some Foundation Excavation |
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| Chen Zhihui,Xie Qingxiang,Wei Qichang.Application of Compound Support Technology of Prestressed Anchor and SMW Construction Method in Some Foundation Excavation[J].Construction Technology,2009,38(9). |
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| Authors: | Chen Zhihui Xie Qingxiang Wei Qichang |
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| Affiliation: | China Solibase Engineering Co.;Ltd.;Beijing 100022;China |
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| Abstract: | Compound support technology of prestressed anchor and SMW construction method is used in foundation excavation of Wanda Plaza in Suzhou.Well dewatering technology is applied for this project,and soil-nailing wall is used for support of upside of foundation excavation,as well as SMW construction method and prestressed anchor for downside except the west part.Further more,design scheme and main technical measures of dewatering and compound support are introduced in detail.Settlement and displacement of suppor... |
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| Keywords: | foundation excavation support prestressed anchor SMW construction method soil nailing wall well dewatering |
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