| 临海巨厚砂质含水层深基坑深井井点降水实践 |
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| 引用本文： | 陈 猛,冯 波,钱 巍,武坤鹏. 临海巨厚砂质含水层深基坑深井井点降水实践[J]. 水运工程, 2017, 0(5): 163-167 |
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| 作者姓名： | 陈 猛 冯 波 钱 巍 武坤鹏 |
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| 作者单位： | 中交四航局第二工程有限公司，广东 广州510230,中交疏浚技术装备国家工程研究中心有限公司，上海 201208；中交四航工程研究院有限公司，广东 广州 510230,中交四航工程研究院有限公司，广东 广州 510230,中交四航工程研究院有限公司，广东 广州 510230 |
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| 摘 要： | 在地下水位较高的透水土层中进行基坑开挖施工时,易产生流砂、管涌等渗透破坏现象,地下水控制是确保基坑安全施工的关键。结合工程实例,介绍临海巨厚砂质含水层深基坑开挖深井降水设计方案。结果表明:采用该方案达到预期降水效果,满足干施工要求,该类深基坑采用深井降水是可行的。
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| 关 键 词： | 临海；巨厚含水层；砂质含水层；基坑；降水 |
Application of deep well in a foundation pit dewatering in thick sandy aquifer close to sea |
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| CHEN Meng,FENG Bo,QIAN Wei and WU Kunpeng. Application of deep well in a foundation pit dewatering in thick sandy aquifer close to sea[J]. Port & Waterway Engineering, 2017, 0(5): 163-167 |
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| Authors: | CHEN Meng FENG Bo QIAN Wei WU Kunpeng |
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| Affiliation: | The Second Engineering Company of CCCC Fourth Harbor Engineering Co.,Ltd.,Guangzhou 510230,China,CCCC National Engineering Research Center of Dredging Technology and Equipment Co.,Ltd.,Shanghai 201208,China;CCCC Fourth Harbor Engineering Institute Co.,Ltd.,Guangzhou 510230,China,CCCC Fourth Harbor Engineering Institute Co.,Ltd.,Guangzhou 510230,China and CCCC Fourth Harbor Engineering Institute Co.,Ltd.,Guangzhou 510230,China |
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| Abstract: | During excavation in permeable soil with high water table,easy to occur flow of sand,piping and other damage phenomena.Groundwater control is the key to ensuring safe of a pit construction.Based on an engineering project,the dewatering program of a deep excavation in the thick sandy aquifer close sea is introduced.The dewatering test results show that the program fulfil the dewatering requirements,and the deep well is suitable for this kind of deep excavation. |
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| Keywords: | close to sea thick aquifer sandy aquifer pit dewatering |
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