Study on Numerical Simulation Test of Mining Surface Subsidence Law under Ultrathick Loose Layer

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/geofluids/volume-2021/6655827/figures/6655827.fig.005a.svgz" name="6655827.fig.005a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Uniaxial compressive strength</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/geofluids/volume-2021/6655827/figures/6655827.fig.005b.svgz" name="6655827.fig.005b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Tensile strength</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/geofluids/volume-2021/6655827/figures/6655827.fig.005c.svgz" name="6655827.fig.005c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Triaxial compressive strength of 10 MPa confining stress</td></tr></table>

<div>Strength contrast of blocks with different size particles.</div>

Geofluids

fig5

Figure 5

Figure 5: Study on Numerical Simulation Test of Mining Surface Subsidence Law under Ultrathick Loose Layer 