loess and soft surrounding rock road tunnel
soft surrounding rock masses
Criteria for surrounding rock mass classification
Deformation of Surrounding Rock Mass
Diverse Surrounding Rock Mass
force-bearing of surrounding rock mass
fuzzy information of surrounding rock mass
hearing capacity of surrounding rock mass
pressure of surrounding rock mass
stability of surrounding rock mass
strength of surrounding rock mass
stresses of surrounding rock mass
Surrounding Rock Mass Classification
surrounding rock mass convergence
surrounding rock mass deformation
surrounding rock mass in tunnel
the stability of surrounding rock mass