Theoretical analysis, simulationexperiment and engineering exploration are adopted to study the impact of the location of primary key stratum on the evolution range of water flowing fracture.
采用理论分析、模拟实验和工程探测等方法，就覆岩主关键层位置对导水裂隙带高度的影响进行深入研究。
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It shows that this study provides good theory proof and simple algorithm of high accuracy connecting electronic map in maritime or land over theory analysis, computer simulation and experiment.