Study on the Evolution Law of Overburden Breaking Angle under Repeated Mining and the Application of Roof Pressure Relief
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DOI: 10.3390/en12234513
Abstract: Aiming at the serious problems caused by coal mine mining activities causing the rock burst accidents, this paper is based on rock mechanics and material mechanics to establish the key layer breaking by the double-key… read more here.
Keywords: repeated mining; key layer; breaking angle; coal ... See more keywords