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

<div>Peak stress on the rock with different diameters of the hole. (a) Peak stress on the rock with different diameters of the horizontal hole. (b) Peak stress on the rock with different diameters of the vertical hole.</div>

Advances in Civil Engineering

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Figure 4

Figure 4: Research on the Impact of Different Force Directions on the Mechanical Properties and Damage Evolution Law of Sandstone with Different Hole Diameters 

Figure 4 | Research on the Impact of Different Force Directions on the Mechanical Properties and Damage Evolution Law of Sandstone with Different Hole Diameters 