Grouting Reinforcement Mechanism and Multimodel Simulation Analysis of Longwall Goaf

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2021/9943596/figures/9943596.fig.007a.svgz" name="9943596.fig.007a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Settlement deformation during strip grouting in the goaf (mm)</td></tr><tr class="fig-image" id="b"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2021/9943596/figures/9943596.fig.007b.svgz" name="9943596.fig.007b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Horizontal displacement change during strip grouting in the goaf (mm)</td></tr><tr class="fig-image" id="c"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2021/9943596/figures/9943596.fig.007c.svgz" name="9943596.fig.007c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Vertical stress during strip grouting in the goaf (MPa)</td></tr><tr class="fig-image" id="d"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2021/9943596/figures/9943596.fig.007d.svgz" name="9943596.fig.007d" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(d) </b>Horizontal stress during strip grouting in the goaf (MPa)</td></tr></table>

<div>Displacement stress distribution diagram during strip grouting in the goaf.</div>

Geofluids

fig7

Figure 7

Figure 7: Grouting Reinforcement Mechanism and Multimodel Simulation Analysis of Longwall Goaf 