Impact of Moisture Content on the Brittle-Ductile Transition and Microstructure of Sandstone under Dynamic Loading Conditions

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Fracture mode</td><td class="align_center">Pattern type</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Brittle (tensile) fracture</td><td class="align_center">River pattern, step pattern, fishbone pattern, intergranular crack, root pattern, scaly pattern, etc.</td></tr><tr><td class="align_left">Ductile (shear) fracture</td><td class="align_center">Parallel sliding pattern, snake slippery pattern, trans crystalline cracking, flat pattern, tetrahedral pattern, dimple pattern, slip step pattern, etc.</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Typical fracture morphology of rock material.</div>

Advances in Civil Engineering

tab4

Table 4

Table 4: Impact of Moisture Content on the Brittle-Ductile Transition and Microstructure of Sandstone under Dynamic Loading Conditions 