Influence of Different Grouting Parameters on Mechanical and Strain Energy Characteristics of Different-Length Fractured Limestone in a Coalfield North of Yellow River: A Numerical Study Based on Particle Flow Code

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2023/6044715/figures/6044715.fig.006a.svgz" name="6044715.fig.006a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Protolith</td></tr><tr class="fig-image" id="b"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2023/6044715/figures/6044715.fig.006b.svgz" name="6044715.fig.006b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Fracture length 10 mm</td></tr><tr class="fig-image" id="c"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2023/6044715/figures/6044715.fig.006c.svgz" name="6044715.fig.006c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Fracture length 30 mm</td></tr><tr class="fig-image" id="d"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2023/6044715/figures/6044715.fig.006d.svgz" name="6044715.fig.006d" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(d) </b>Fracture length 50 mm</td></tr></table>

<div>Crack distribution in the limestones with different prefabricated crack lengths.</div>

Geofluids

fig6

Figure 6

Figure 6: Influence of Different Grouting Parameters on Mechanical and Strain Energy Characteristics of Different-Length Fractured Limestone in a Coalfield North of Yellow River: A Numerical Study Based on Particle Flow Code 

Figure 6 | Influence of Different Grouting Parameters on Mechanical and Strain Energy Characteristics of Different-Length Fractured Limestone in a Coalfield North of Yellow River: A Numerical Study Based on Particle Flow Code 