| 无锡苏宁广场三轴水泥土搅拌桩施工技术 |
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| 引用本文： | 卢庶,李公璞,曹光,王依列.无锡苏宁广场三轴水泥土搅拌桩施工技术[J].施工技术,2010,39(1). |
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| 作者姓名： | 卢庶 李公璞 曹光 王依列 |
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| 作者单位： | 中建一局华江建设有限公司,北京,100073 |
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| 摘 要： | 无锡苏宁广场周边道路和建筑物密集,环境保护要求高、地下遗留障碍物影响较大,基坑围护采用三轴水泥土搅拌桩+钻孔灌注桩+4道临时混凝土支撑体系.介绍了三轴搅拌桩施工工艺流程及操作要点,改进"二搅二喷"工艺为"二搅三喷"工艺.采用严格的质量控制措施.桩身强度试验结果均达到要求.实践证明,此工艺可用置换水泥土代替好土、通过水灰比和复搅工艺优化,节省水泥,并可缩短工期,具有良好的经济效益和社会效益.
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| 关 键 词： | 基坑围护 三轴水泥土搅拌桩 复搅工艺 质量控制 |
Application of Tri-axial Cement-soil Mixing Piles in Wuxi Suning Plaza |
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| Lu Shu,Li Gongpu,Cao Guang,Wang Yilie.Application of Tri-axial Cement-soil Mixing Piles in Wuxi Suning Plaza[J].Construction Technology,2010,39(1). |
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| Authors: | Lu Shu Li Gongpu Cao Guang Wang Yilie |
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| Affiliation: | Lu Shu,Li Gongpu,Cao Guang,Wang Yilie(Huajiang Construction Co.,Ltd.,China Construction First Engineering Group,Beijing 100073,China) |
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| Abstract: | Wuxi Suning Plaza has traffic jam in neighbouring roads,and it has high requirements on environment protection during construction.Besides,it is influenced by underground obstacles left by original buildings.The support structure of foundation excavation adopts tri-axial cement-soil mixing piles,bored piles and four temporary concrete supports.Construction process and operation points of the tri-axial cement-soil mixing piles are introduced.The twice mixing and three times grouting technology is adopted ins... |
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| Keywords: | foundation excavation support tri-axial cement-soil mixing pile repeated mixing technology quality control |
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