Study on Mechanical Response and Stability Algorithm of Soft and Hard Rock Interbedded Slope Excavation

Figure 2

Nephogram of shear stress distribution: (a) before excavation, (b) seventh stage excavation, (c) sixth stage excavation (d) fifth stage excavation, (e) fourth stage excavation, (f) third stage excavation, (g) second stage excavation, and (h) first stage excavation.

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