Mechanical Properties of Sandstone Roof and Surrounding-Rock Control of Mining Roadways Subject to Reservoir Water Disturbance

<div>Variations in residual strain and elastic modulus with pore pressure. (a) Variation in residual axial strain with pore pressure. (b) Variation in residual hoop strain with pore pressure. (c) Variation in elastic modulus with pore pressure.</div>

Advances in Civil Engineering

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Figure 4

Figure 4: Mechanical Properties of Sandstone Roof and Surrounding-Rock Control of Mining Roadways Subject to Reservoir Water Disturbance 