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Influential Factors of Calculation Error for Groundwater Table in Mine Drainage Forecast of Deep Drawdown
Pages: 16-19
Year: Issue:  1
Journal: Geotechnical Investigation & Surveying

Keyword:  大降深 矿井排水 地下水位 迭代法 迭代收敛误差限;
Abstract: 本文讨论了大降深矿井排水预测中 ,利用迭代法求解数值模型时 ,地下水位计算误差的影响因素。利用理想模型讨论了地下水位计算误差与开采量、迭代收敛误差限、计算时间和含水量参数之间的关系。经讨论得知地下水位计算误差与迭代收敛误差限、计算时间和含水层参数有关 ,与开采量和水位变幅无关。
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