Migration Characteristics and Restoration Mechanism of Grout Containing Aggregate in Overburden Fractures Based on CFD-DEM Coupling Model

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2022/3254660/figures/3254660.fig.007a.svgz" name="3254660.fig.007a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>3 mm particle size</td></tr><tr class="fig-image" id="b"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2022/3254660/figures/3254660.fig.007b.svgz" name="3254660.fig.007b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>4 mm particle size</td></tr></table>

<div>Cloud map of fluid velocity with 3 mm and 4 mm aggregate.</div>

Geofluids

fig7

Figure 7

Figure 7: Migration Characteristics and Restoration Mechanism of Grout Containing Aggregate in Overburden Fractures Based on CFD-DEM Coupling Model 