Fig. 3

Mining-induced stress and Estrain under different φ when Dm = ± 60 m, rH = 3. a Minimum normal stress, σn; b Minimum shear stress, τ; c Minimum Estrain; d Maximum normal stress, σn; e Maximum shear stress, τ; f Maximum Estrain

Mining-induced stress and Estrain under different φ when Dm = ± 60 m, rH = 3. a Minimum normal stress, σn; b Minimum shear stress, τ; c Minimum Estrain; d Maximum normal stress, σn; e Maximum shear stress, τ; f Maximum Estrain