Research Article

Study on the Generation Mechanism and Development Law of the Zonal Disintegration in Deep Burial Tunnels

Figure 7

Plastic and fractured zones for two radiuses. (a) Plastic zone (r = 5.0 m). (b) Fractured zone (r = 5.0 m). (c) Plastic zone (r = 1.0 m). (d) Fractured zone (r = 1.0 m).
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(b)
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(d)