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si he er hao jing 15 hao mei ceng shou cai mian cai chang wa si yun yi shu zhi mo ni
Author(s): 
Pages: 29-30,76
Year: Issue:  9
Journal: Coal

Keyword:  首采面上隅角瓦斯运移数值模拟;
Abstract: 基于寺河煤矿二号井15号煤层首采面工作面采场瓦斯涌出量大,引发工作面上隅角及回风流中瓦斯浓度过大的问题。依据现场实测瓦斯基础参数,采用 FLUNET 数值模拟软件对不同方案条件下采场瓦斯运移特征进行模拟,最终确定了风侧采空区第一个联络巷引排瓦斯与后方联络巷抽放瓦斯同时进行的方法,从而有效解决上隅角瓦斯超限的问题。
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