Influences on Shotcrete Rebound from Walls with Random Roughness

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">W/C (w%)</td><td class="align_center" rowspan="2">Viscosity (mPa.s)</td><td class="align_center" rowspan="2">Surface tension (mN/m)</td><td class="align_center" rowspan="2">Density (g/cm<sup>3</sup>)</td><td class="align_center" colspan="2">Gelation time</td></tr><tr class="thead"><td class="align_center">Initial setting</td><td class="align_center">Final setting</td></tr><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td class="align_left">1 : 2</td><td class="align_center">135</td><td class="align_center">10.5</td><td class="align_center">1.82</td><td class="align_center">7 h 40 min</td><td class="align_center">11 h 32 min</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Basic properties of the grout used.</div>

Advances in Materials Science and Engineering

tab4

Table 4

Table 4: Influences on Shotcrete Rebound from Walls with Random Roughness 