Application of Fiber Grating Sensing in Similar Model Impact Tests of Underground Engineering

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_justify">Density (kg/m<sup>3</sup>)</td><td class="align_center">Elastic modulus (MPa)</td><td class="align_center">Compressive strength (MPa)</td><td class="align_center">Tensile strength (MPa)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_justify">2540</td><td class="align_center">441</td><td class="align_center">1.14</td><td class="align_center">0.1</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Mechanical parameters of similar materials.</div>

Geofluids

tab2

Table 2

Table 2: Application of Fiber Grating Sensing in Similar Model Impact Tests of Underground Engineering 