Open AccessTechnology of coupled permeability enhancement of hydraulic punching and deep-hole pre-splitting blasting in a "three-soft" coal seam
Author(s) -
Pu Li,
Xiaodong Zhang,
Hui Li
Publication year - 2021
Publication title -
materiali in tehnologije
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.27
H-Index - 25
eISSN - 1580-3414
pISSN - 1580-2949
DOI - 10.17222/mit.2020.075
Subject(s) - punching , rock blasting , materials science , permeability (electromagnetism) , coal , geotechnical engineering , petroleum engineering , composite material , geology , engineering , waste management , membrane , biology , genetics