Weakening effects of hydraulic fracture in hard roof under the influence of stress arch

来源 :矿业科学技术学报：英文版 | 被引量 : 0次 | 上传用户：xinshouji1

【摘要】

：

For the problem of hydraulic fracture propagation when weakening the hard roof in fully mechanized top-coal caving stope of ultra-thick coal seam,based on the s

【作者】

：

Xia Binwei Zhang Xuan Yu Bin J

【机构】

：

StateKeyLaboratoryofCoalMineDisasterDynamicsandControl,DatongCoalMineGroupCo.Ltd.

【出处】

：

矿业科学技术学报：英文版

【发表日期】

：

2018年6期

【关键词】

：

Hydraulic FRACTURING HARD ROOF Stress ARCH Fracture DEFLECTION Propagation RFPA2

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For the problem of hydraulic fracture propagation when weakening the hard roof in fully mechanized top-coal caving stope of ultra-thick coal seam,based on the stress arch theory and the fracture mechanics,a two-dimensional model for hydraulic fracture of

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Weakening effects of hydraulic fracture in hard roof under the influence of stress arch

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