financially supported by the Major State Basic Research Development Program Fund (2010CB226801);the China Postdoctoral Science Foundation (2013M530770);the State Key Laboratory of Coal Resources and Safe Mining Open Research Fund (SKLCRSM11KFB08)
A test system was developed to understand the sliding mechanism of coal-rock structure. The test system was composed by a double-shear testing model and an acousto-optic monitoring system in association with a digital...