【摘要】 建立了抽汲地下水非稳定流定解问题的三维数学模型,利用现有承压含水层非稳定流定解问题数值方程求解,重点讨论了源汇项的具体数学表达武。根据土的有效应办原理和压密原理推导出抽水沉降非线性弹性压密方程,结合武汉新业大厦水文地质与工程地质条件,利用已研制的三维有限元计算程序LCYXY3D.F90对该环境岩土工程问题进行了分析和评价,计算结果与实测结果符合较好。更多还原

【Abstract】 This paper presents the establishement of three-dimensional mathematic model which is about unsteady flow of groundwater withdrawal. The existing numerical equation of three-dimensional unsteady flow of confined aquifer is used to solve it, and the numerical formulae of source-sink are emphatically discussed. Nonlinear compressive equation of land subsidence induced by groundwater withdrawal is derived from effective stress and compressive principle of soil. According to the conditions of hydrogeology and engineering geology of Xinye mansion in Wuhan, the environmental geotechnical problem is analyzed and e-valuated by the calculation program of finite element LCYXY3D. F90, and the calculated results agree well with those measured.更多还原