| 天津津门大厦超深基坑井点降水新技术 |
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| 引用本文： | 瞿成松,汪发文,魏鹏飞.天津津门大厦超深基坑井点降水新技术[J].资源环境与工程,2011(4):323-329. |
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| 作者姓名： | 瞿成松 汪发文 魏鹏飞 |
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| 作者单位： | 北京师范大学水科学研究院;地下水污染控制与修复教育部工程研究中心;上海长凯岩土工程有限公司;湖北地矿建设集团承包有限公司;鄂西北地质矿产调查所; |
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| 基金项目： | 上海市科学技术委员会资助项目(09dz1207900);上海市科学技术委员会资助项目(10dz1202300) |
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| 摘 要： | 总结津门大厦降水面积29 300 m2、最大深度25.35 m的基坑井点降水新技术、新方法.通过建立三维空间非均质各向异性渗流介质数学模型,采用减压井与疏干井相结合的降水方法.降水运行中采用按需降水、动态调整的原则,有效地降低了地下水,既保障了基坑的顺利开挖,又很好地控制了周边地面沉降.地下水三维渗流软件理论模型可靠、...
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| 关 键 词： | 基坑降水 成井工艺 信息化监测 地面沉降 |
Deep Foundation Pit Dewatering Technology at Jingmen Building,Tianjin |
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| QU Chengsong,,WAN Fawen,WEI Pengfei.Deep Foundation Pit Dewatering Technology at Jingmen Building,Tianjin[J].Resources Environment & Engineering,2011(4):323-329. |
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| Authors: | QU Chengsong WAN Fawen WEI Pengfei |
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| Affiliation: | QU Chengsong1,2,3,WAN Fawen4,WEI Pengfei5(1.College of Water Sciences,Beijing Normal University,Beijing 100875,2.Engineering Research Center for Groundwater Pollution Control and Remediation,Ministry of Education of China,3.Shanghai Changkai Geotechnical Co.,Ltd.,Shanghai 200002,4.Hubei Geo-engineering Constuction Corporation,Wuhan,Hubei 430030,5.Northwest Hubei Institute of Geology and Minerals Resources,Xiangyan,Hubei 441003) |
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| Abstract: | Through the establishment of three-dimensional mathematical model of inhomogeneous and anisotropic media,precipitation method of the combination of relief wells and dewatering wells is used.The authors adopt the principles of on-demand precipitation and dynamic adjustment,effectively reduces the groundwater.It not only ensures the smooth process of the excavation pit,and controls the surrounding land subsidence.Three-dimensional theoretical model of groundwater seepage software is reliable,layout and constr... |
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| Keywords: | foundation pit dewatering well completion technology informative monitoring land subsidence |
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