Fig. 3
From: Re-evaluation of excavation class limits for underground excavations based on new data
Evaluation of the rock masses according to the excavation classification proposed by Abdullatif and Cruden7.
Fig. 3 | Scientific Reports
From: Re-evaluation of excavation class limits for underground excavations based on new data
Evaluation of the rock masses according to the excavation classification proposed by Abdullatif and Cruden7.
