| 深基坑工程降水技术设计和地面沉降控制措施 |
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| 引用本文： | 张卫国,肖长来,张冬冬. 深基坑工程降水技术设计和地面沉降控制措施[J]. 中国市政工程, 2011, 0(5): 55-57. DOI: 10.3969/j.issn.1004-4655.2011.05.020 |
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| 作者姓名： | 张卫国 肖长来 张冬冬 |
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| 作者单位： | 1. 上海地矿工程勘察有限公司,上海,200072
2. 吉林大学环境与资源学院,吉林长春,130026 |
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| 摘 要： | 通过工程实例,介绍深基坑工程中降水技术的设计、计算方法及地面沉降的控制措施.根据场地工程地质及水文地质条件,计算出基坑涌水量,并设计抽水井；然后根据降水深度要求及土层渗透系数,选择井点降水方法,确定井径、井深、单井涌水量及井数.对降水引起地面沉降因素进行分析,指出控制地面沉降的措施.对于深基坑的降水技术设计具有重要的指...
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| 关 键 词： | 深基坑 降水技术 沉降控制 |
On Dewatering Technology Design & Surface Subsidence Control Measures of Deep Foundation Pit Project |
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| ZHANG Wei-guo,XIAO Chang-lai,ZHANG Dong-dong. On Dewatering Technology Design & Surface Subsidence Control Measures of Deep Foundation Pit Project[J]. China Municipal Engineering, 2011, 0(5): 55-57. DOI: 10.3969/j.issn.1004-4655.2011.05.020 |
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| Authors: | ZHANG Wei-guo XIAO Chang-lai ZHANG Dong-dong |
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| Affiliation: | ZHANG Wei-guo1,XIAO Chang-lai2,ZHANG Dong-dong1(1.Shanghai Geological Mineral Engineering Investigation Co.,Ltd.,Shanghai 200072,China,2.College of Environment & Resources,Jilin University,Changchun 130026,China) |
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| Abstract: | Through engineering cases,the design and calculation methods of dewatering technology in deep foundation pit project and control measures for land subsidence are introduced.According to engineering geological and hydro-geological conditions on site,water inflow of foundation pit is calculated and pumping well is designed,then in accordance with the depth required for precipitation and soil permeability coefficient,dewatering method of well point is chosen,also the diameter and depth of the well,water inflow... |
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| Keywords: | deep foundation pit dewatering technology subsidence control |
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