Open AccessResearch status and future trends on surface pre-grouting technology in reforming wall rock of vertical shafts in coal mines in China
Author(s) -
Hua Wang
Publication year - 2018
Publication title -
iop conference series. earth and environmental science
Language(s) - English
Resource type - Journals
eISSN - 1755-1307
pISSN - 1755-1315
DOI - 10.1088/1755-1315/113/1/012132
Subject(s) - borehole , grout , mining engineering , geotechnical engineering , coal mining , shaft mining , excavation , geology , coal , aquifer , engineering , groundwater , waste management