%0 Journal Article %T NUMERICAL ANALYSIS OF SEEPAGE FIELD OF J-TYPED VENTILATION In GOB AREA UNDER MECHANIZED TOP COAL CAVING
综放开采J型通风采空区渗流场数值分析 %A LIU Weiqun %A MIAO Xiexing %A
刘卫群 %A 缪协兴 %J 岩石力学与工程学报 %D 2006 %I %X 以潞安矿区王庄煤矿5201综放面通风和瓦斯抽放为背景,分析J型和U型通风时采空区破碎岩体内的渗流和瓦斯浓度分布规律。J型通风采空区渗流为“一源两汇”,并有明显取近道的趋势,J型通风比U型通风更有利于瓦斯排放。为建立破碎岩体渗流数值模型,还兼顾分析采空区上方的支承压力,得出该处支承压力的分区特征。 %K mining engineering %K mechanized top coal caving %K J-typed ventilation %K gob area %K seepage field %K numerical analysis
采矿工程 %K 综放开采 %K J型通风 %K 采空区 %K 渗流场 %K 数值分析 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=D3421FAA1A0A0F0C&jid=35E747D791A1346351AFB523B7FA35CB&aid=AE68D6FEC36AB0FB&yid=37904DC365DD7266&vid=C5154311167311FE&iid=B31275AF3241DB2D&sid=A3A7F1D1E8071003&eid=E2D70FDCD65737D1&journal_id=1000-6915&journal_name=岩石力学与工程学报&referenced_num=4&reference_num=10