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guan yu fen yuan yu ce fa yu ce kuang jing wa si yong chu liang zhun que xing he shi yong xing de tan tao
Author(s): 
Pages: 93-96
Year: Issue:  11
Journal: Safety in Coal Mines

Keyword:  矿井分源预测法瓦斯涌出量预测准确性适用性;
Abstract: 分源预测法预测矿井瓦斯涌出量的关键在于预测的准确性及适用性,只有保证其较高的准确性和广泛的适用性,预测才具有实际指导意义。针对分源预测法中涉及的采空区瓦斯涌出系数、瓦斯涌出不均衡系数、D取值的合理性、放顶煤开采的瓦斯涌出量预测、煤的残存瓦斯含量(Wc)的取值、地勘瓦斯含量与井下实测瓦斯含量的应用及围岩瓦斯涌出影响等因素进行了系统的分析,提出了个人看法,为提高分源预测法的准确性及适用性做了有益探索。
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