A Novel True Triaxial Apparatus for Testing Shear Seepage in Gas-Solid Coupling Coal

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/geofluids/volume-2018/2608435/figures/2608435.fig.0010a.svgz" name="2608435.fig.0010a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Gas pressure is 0.5 MPa</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/geofluids/volume-2018/2608435/figures/2608435.fig.0010b.svgz" name="2608435.fig.0010b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Gas pressure is 1.0 MPa</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/geofluids/volume-2018/2608435/figures/2608435.fig.0010c.svgz" name="2608435.fig.0010c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Gas pressure is 1.5 MPa</td></tr></table>

<div>The correlation curves of shear stress and permeability with intermediate principal stresses under different gas pressure conditions.</div>

Geofluids

fig10

Figure 10

Figure 10: A Novel True Triaxial Apparatus for Testing Shear Seepage in Gas-Solid Coupling Coal 