Experimental and Numerical Simulation Study on Shear Strength and Secondary Particle Breakage of Coarse Sand with Different Dry Densities

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Property</td><td class="align_center">Test results</td><td class="align_center">PFC model experiment results</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">The peak value of shear stress (kPa)</td><td class="align_left"></td><td class="align_left"></td></tr><tr><td class="align_left"> 100 kPa</td><td class="align_center">100.2</td><td class="align_center">92</td></tr><tr><td class="align_left"> 200 kPa</td><td class="align_center">143.4</td><td class="align_center">142</td></tr><tr><td class="align_left"> 300 kPa</td><td class="align_center">274.7</td><td class="align_center">276</td></tr><tr><td class="align_left"> 400 kPa</td><td class="align_center">343.8</td><td class="align_center">325</td></tr><tr><td class="align_left">Angle of internal friction (°)</td><td class="align_center">45.1</td><td class="align_center">39.7</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The results of direct shear test and numerical simulation are compared.</div>

Geofluids

tab5

Table 5

Table 5: Experimental and Numerical Simulation Study on Shear Strength and Secondary Particle Breakage of Coarse Sand with Different Dry Densities 