Open AccessConstruction of twin tunnel in weak and blocky rock mass by using arch supporting method
Author(s) -
Un Chol Han,
Chung Il Kim,
Gun Ui Hong,
Il Yong Kang
Publication year - 2021
Publication title -
iop conference series. earth and environmental science
Language(s) - English
Resource type - Journals
eISSN - 1755-1307
pISSN - 1755-1315
DOI - 10.1088/1755-1315/861/5/052112
Subject(s) - excavation , rock mass classification , arch , geotechnical engineering , joint (building) , quantum tunnelling , section (typography) , engineering , geology , structural engineering , materials science , computer science , optoelectronics , operating system