Open AccessEffect double-primer placement for improving the fragmentation on harder material in stemming column: a case study
Author(s) -
M R Ipmawati,
D R Nainggolan,
Bagus Wiyono,
R Sunarya
Publication year - 2018
Publication title -
iop conference series. earth and environmental science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.179
H-Index - 26
eISSN - 1755-1307
pISSN - 1755-1315
DOI - 10.1088/1755-1315/212/1/012064
Subject(s) - rock blasting , fragmentation (computing) , column (typography) , structural engineering , productivity , forensic engineering , engineering , computer science , geotechnical engineering , connection (principal bundle) , economics , macroeconomics , operating system