Engineering Characteristics and Application Analysis of Red Sandstone in the Lanzhou Metro

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/geofluids/volume-2023/8927005/figures/8927005.fig.007a.svgz" name="8927005.fig.007a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>TST-55 penetrometer</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/geofluids/volume-2023/8927005/figures/8927005.fig.007b.svgz" name="8927005.fig.007b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Pipe of variable water head</td></tr></table>

<div>Permeability test of red sandstone.</div>

Geofluids

fig7

Figure 7

Figure 7: Engineering Characteristics and Application Analysis of Red Sandstone in the Lanzhou Metro 