A DOFS-Based Approach to Calculate the Height of Water-Flowing Fractured Zone in Overlying Strata under Mining

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2021/8860600/figures/8860600.fig.009a.svgz" name="8860600.fig.009a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Working face advanced to 5 cm</td></tr><tr class="fig-image" id="b"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2021/8860600/figures/8860600.fig.009b.svgz" name="8860600.fig.009b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Working face advanced to 40 cm</td></tr><tr class="fig-image" id="c"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2021/8860600/figures/8860600.fig.009c.svgz" name="8860600.fig.009c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Working face advanced to 60 cm</td></tr></table>

<div>Overburden deformation and failure diagram after the working face passed line B fiber sensor.</div>

Geofluids

fig9

Figure 9

Figure 9: A DOFS-Based Approach to Calculate the Height of Water-Flowing Fractured Zone in Overlying Strata under Mining 