Fig. 1
Deformation failure and combined filling diagram of gob-side entry retaining. (a) Rigid material filling. (b) Flexible material filling. (c) Composite filling. The 3D image in the Figure is mainly made by AutoCAD.
Fig. 1 | Scientific Reports
Deformation failure and combined filling diagram of gob-side entry retaining. (a) Rigid material filling. (b) Flexible material filling. (c) Composite filling. The 3D image in the Figure is mainly made by AutoCAD.
