Progressive Initiation Phenomenon of Radial and Axial Cracks of the Borehole During Rock Hydraulic Fracturing

Hard roof control is a technical problem that restricts the safe and efficient coal mine production. Hydraulic fracturing is an effective technical approach for controlling hard roofs. The progressive initiation of radial and axial cracks in boreholes during rock hydraulic fracturing is observed usi...

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Veröffentlicht in:	Rock mechanics and rock engineering 2023-11, Vol.56 (11), p.7743-7758
Hauptverfasser:	Huang, Bingxiang, Zhao, Xinglong, Shao, Luying
Format:	Artikel
Sprache:	eng
Schlagworte:	Axial stress Boreholes Civil Engineering Coal mines Crack initiation Cracking (fracturing) Cracks Direction Earth and Environmental Science Earth Sciences Geophysics/Geodesy Hydraulic fracturing Hydrostatic pressure Original Paper Pressure effects Rocks Stress distribution Water pressure
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