| 基于基坑降水优化设计的地面沉降数值模拟 |
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| 引用本文： | 赵珍,李贵仁. 基于基坑降水优化设计的地面沉降数值模拟[J]. 地下水, 2014, 0(4): 43-45 |
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| 作者姓名： | 赵珍 李贵仁 |
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| 作者单位： | 华北有色工程勘察院有限公司,河北石家庄050021 |
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| 摘 要： | 深基坑降水引起的地面沉降给工程和周边环境带来很大的危害，以天津地铁 XX站深基坑为例，通过使用有限差分模拟软件Processing Modflow建立三维地下水渗流场与地面沉降耦合模型，利用抽水试验数据反演识别场区的水文地质参数，对基坑降水对周边环境的影响进行预测。结合施工要求，本着在规定时间内用最少的抽水量完成降水要求，并对基坑周围造成的环境影响最小的原则，对基坑降水进行优化设计。
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| 关 键 词： | 基坑降水 地面沉降 耦合模型 预测 优化设计 |
Numerical Simulation of Land Subsidence in the Optimized Pit Dewatering |
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| ZHAO Zhen,LI Gui-ren. Numerical Simulation of Land Subsidence in the Optimized Pit Dewatering[J]. Groundwater, 2014, 0(4): 43-45 |
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| Authors: | ZHAO Zhen LI Gui-ren |
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| Affiliation: | (North China Engineering Investigation Institute CO. LTD, Shijiazhuang,050021 ) |
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| Abstract: | As the land subsidence caused by pit dewatering will bring great problem to construction and harm natural envi-ronment, the paper establishes a 3 D coupling mathematical model of groundwater flow and land subsidence in XX subway sta-tion in Tianjing with Processing Modflow software to predicate the influence of pit dewatering on environment around. Accord-ingly the pit dewatering project is optimized to meet the dewatering requirement with least pumping water in the allotted time and minimize environmental destruction simultaneously. |
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| Keywords: | Pit dewatering land subsidence coupling mathematical model prediction optimization |
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