Establishment of the Relationship Between Geological Strength Indexand Ultrasonic Velocity of Rock Mass Through Displacement BackAnalysis Based on Hoek-Brown Criterion
TIAN Mao-lin, XIAO Hong-tian, YAN Qiang-gang
JOURNAL OF YANGTZE RIVER SCIENTIFIC RESEARCH INSTI . 2017, (10): 118 -123 .  DOI: 10.11988/ckyyb.20160656