Fig. 12
Evolution process of the plastic zone of “multi-layer” filling body in scheme 2. (a) The excavation length of the working face was 20 m; (b) 50 m; (c) 100 m.
Fig. 12 | Scientific Reports
Evolution process of the plastic zone of “multi-layer” filling body in scheme 2. (a) The excavation length of the working face was 20 m; (b) 50 m; (c) 100 m.
