| 地下水开采与地面沉降控制三维全耦合模型研究 |
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| 引用本文： | 骆祖江,曾峰,李颖.地下水开采与地面沉降控制三维全耦合模型研究[J].吉林大学学报(地球科学版),2009,39(6). |
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| 作者姓名： | 骆祖江 曾峰 李颖 |
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| 作者单位： | 1. 河海大学,水文地质研究所,南京,210098
2. 长春工程学院,勘查与测绘学院,长春,130021 |
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| 基金项目： | 江苏省与国土资源部合作重大项目 |
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| 摘 要： | 针对第四纪松散沉积层中地下水开采所引起的地面沉降问题,以比奥固结理论为基础,考虑到土体的非线性特征及土体的渗透性随应力状态的动态变化,引入邓肯-张非线性模型和渗透率动态模型,将地下水渗流场和土体应力场耦合起来,并以吴江市浅层地下水开采为例,建立了浅层地下水开采与地面沉降三维全耦合数值模型.在对模型进行校正、识别的基础上,以微承压含水层未来10 a内地下水位埋深不低于含水层顶板、地面沉降量不超过50 mm为约束条件,预测了吴江市各镇的地下水可采资源量合计为1 203.59×10~4m~3/a.
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| 关 键 词： | 比奥固结理论 地面沉降 三维全耦合模型 非线性 地下水 开采 |
Study on Three-dimensional Full Coupling Model of Groundwater Exploitation and Land-Subsidence Control |
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| LUO Zu-jiang,ZENG Feng,LI Ying.Study on Three-dimensional Full Coupling Model of Groundwater Exploitation and Land-Subsidence Control[J].Journal of Jilin Unviersity:Earth Science Edition,2009,39(6). |
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| Authors: | LUO Zu-jiang ZENG Feng LI Ying |
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| Institution: | LUO Zu-jiang1,ZENG Feng1,LI Ying21.Research Institute of Hydrogeology,Hohai University,Nanjing 210098,China2.School of Prospecting & Surveying Engineering,Changchun Institute of Technology,Changchun 130021,China |
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| Abstract: | Aimed at the land-subsidence cased by groundwater exploitation in Quaternary loose se-diments,based on Biot's consolidation theory,took the shallow groundwater exploitation in Wujiang as the case study,a three dimensional full coupling numerical model between the hydraulic action of the seepage field and the stress field was established,in which Duncan-Chang non-linear model and the dynamic models of permeability were introduced with considering the non-linear characteristics and the dynamic variation of hy... |
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| Keywords: | Biot consolidation theory land-subsidence three dimensional full coupling model non-linear groundwater exploitation |
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