Documents Alex Spathis, R.N. Gupta-Tunneling in Rock by Drilling and Blasting-CRC Press (2012).pdf

T u n n e l l in g in R o c k b y D r il l in g & B l a s t in g T u n n e l l in g in R o c k b y D r il l in g & B l a s t in g Tunnelling in Rock by Drilling and…