Numerical Simulation of the Supporting Effect of Anchor Rods on Layered and Nonlayered Roof Rocks

<div>Stress field distribution of bolt support without considering the original rock stress. (a) Single bolt support and (b) multiple bolt support.</div>

Advances in Civil Engineering

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Figure 2

Figure 2: Numerical Simulation of the Supporting Effect of Anchor Rods on Layered and Nonlayered Roof Rocks 