De Silva, PHHM; Anuruddha, HMD; Abeysinghe, AMCL; Priyashantha, KMDC; Hemalal, PVA; Dharmaratne, PGR
[Conference-Full-text]
Quarrying and underground excavations carried out by drilling-and blasting is the most commen technique usued in sri lankan mining practice
Although only a small amount of the explosive energy is efficiently utilized in ...