Project(E21527)supported by Open Research Fund Program of Hunan Provincial Key Laboratory of Shale Gas Resource Utilization,Hunan University of Science and Technology,China;Projects(51174088,51174228)supported by the National Natural Science Foundation of China;Project(2013CB035401)supported by the National Basic Research Program of China;Project(2015zzts077)supported by the Fundamental Research Funds for the Central Universities,China
Brazilian disc tests were undertaken on a number of red sandstone samples with different water absorption ratios.The tensile strength of the red sandstone decreases as the water absorption ratio increases.The fracture...
Project(E21527)supported by the Open Research Fund Program of Hunan Provincial Key Laboratory of Shale Gas Resource Utilization,China;Project(2015zzts077)supported by the Fundamental Research Funds for the Central Universities,China;Projects(51174088,51174228)supported by the National Natural Science Foundation of China;Project(2013CB035401)supported by the National Basic Research Program of China
The pre-burying iron sheets approach was used to prepare rock-like materials with ordered multiple pre-cracks. 60 specimens in total were prepared in these experiments. Through biaxial compression experiments, the inf...