Study on Damage Model and Damage Evolution Characteristics of Backfill with Prefabricated Fracture under Seepage-Stress Coupling

<div>Calculated values of damage evolution model contrast with experimental values. 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Advances in Materials Science and Engineering

fig4

Figure 4

Figure 4: Study on Damage Model and Damage Evolution Characteristics of Backfill with Prefabricated Fracture under Seepage-Stress Coupling 