Evaluation of Freeze-Thaw Durability of Silica Fume Concrete with Spraying Inorganic Coating Using Ultrasonic Testing

<table class="table-group" id="tab8"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Specimen</td><td class="align_center"><i>A</i></td><td class="align_center"><i>B</i></td><td class="align_center">Determination coefficient</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">All samples</td><td class="align_center">7.4618</td><td class="align_center">−13.95</td><td class="align_center">0.9924</td></tr><tr><td class="align_left">C40-A1-NCTC</td><td class="align_center">7.4878</td><td class="align_center">−14.118</td><td class="align_center">0.9975</td></tr><tr><td class="align_left">C40-A2-NCTC</td><td class="align_center">7.3929</td><td class="align_center">−13.626</td><td class="align_center">0.9994</td></tr><tr><td class="align_left">C40-A3-NCTC</td><td class="align_center">7.7563</td><td class="align_center">−15.169</td><td class="align_center">0.9656</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Parameters of linear relationship between ultrasonic compressive pulse velocity and dynamic shear modulus.</div>

Mathematical Problems in Engineering

tab8

Table 8

Table 8: Evaluation of Freeze-Thaw Durability of Silica Fume Concrete with Spraying Inorganic Coating Using Ultrasonic Testing 