Research on the Impact of Different Force Directions on the Mechanical Properties and Damage Evolution Law of Sandstone with Different Hole Diameters

<div>Failure patterns of the rock sample with different diameters of the horizontal hole. (a) Failure pattern of the intact rock sample. (b) Failure pattern of the rock sample with Φ5 mm hole. (c) Failure pattern of the rock sample with Φ10 mm hole. (d) Failure pattern of the rock sample with Φ15 mm hole.</div>

Advances in Civil Engineering

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Figure 5

Figure 5: Research on the Impact of Different Force Directions on the Mechanical Properties and Damage Evolution Law of Sandstone with Different Hole Diameters 

Figure 5 | Research on the Impact of Different Force Directions on the Mechanical Properties and Damage Evolution Law of Sandstone with Different Hole Diameters 