| 双重介质含水层求参方法探讨 |
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| 摘 要： | 双重介质模型能较好地刻画天然裂隙含水层的非均质性及液体流动和溶质迁移特征。在石油开采、核废物处置安全评价和环境水文地质等方面受到广泛重视。但是,双重介质模型的实际应用远远落后于其理论发展。其原因除了双重介质模型复杂、计算工作量大以外,模型参数确定的理论和测试方法很不完善,难以取得两套较客观的模型参数是另一重要原因。本文就双重介质含水层参数的确定问题,从其介质特征和水流运动特征入手,探讨了双重介质含水层中抽水和注水条件下的井流动力学方程及其求解方法,并讨论了其适用条件及存在的问题,最后,用实际资料说明了求参过程,检验了公式。
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| 关 键 词： | 双重介质含水层 水文地质参数 |
ANALYSIS ON TEST IN DUAL-POROSITY AQUIFER |
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| Authors: | Xie Xiuhui Zhang Yongxiang |
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| Institution: | Xie Xiuhui Zhang Yongxiang |
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| Abstract: | One of the important reasons that obstruct the application of dual-porosity model is the estimating of parameters in porous blocks and fractures.A set of new equations has been develooed for modeling groundwater flow in dual-porosity aquifers at drawdown and slug conditions, respectively. The transmissivities and storage coefficients in fractures and porous blocks can be determined based on the solutions of the equations.Procedure for estimating the parameters is outlined by using a drawdown test in a karst aquifer which has the characters of dual-porosity. |
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| Keywords: | dual-porosity aquifer hydrogeological parameters |
| 本文献已被 CNKI 等数据库收录！ |
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