Mechanical Performance and Chloride Diffusivity of Cracked RC Specimens Exposed to Freeze-Thaw Cycles and Intermittent Immersion in Seawater

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Concrete composition</td><td class="align_center"> </td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Water (kg/m<sup>3</sup>)</td><td class="align_center">184</td></tr><tr><td class="align_left">425 Portland cement (kg/m<sup>3</sup>)</td><td class="align_center">460</td></tr><tr><td class="align_left">River sand (kg/m<sup>3</sup>)</td><td class="align_center">609</td></tr><tr><td class="align_left">Coarse aggregates (kg/m<sup>3</sup>)</td><td class="align_center">1130</td></tr><tr><td class="align_left">Fly ash (kg/m<sup>3</sup>)</td><td class="align_center">53</td></tr><tr><td class="align_left">Water-reducing admixtures (kg/m<sup>3</sup>)</td><td class="align_center">4.18</td></tr><tr><td class="align_left">Air-entraining admixtures (mL/m<sup>3</sup>)</td><td class="align_center">98.6</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr><tr class="table-fn"><td>Note: 425 Portland cement refers to a cement class in China; its compressive strength at age of 28 d was 42.5 MPa.<br/></td></tr></table>

Advances in Materials Science and Engineering

tab1

Table 1

Table 1: Mechanical Performance and Chloride Diffusivity of Cracked RC Specimens Exposed to Freeze-Thaw Cycles and Intermittent Immersion in Seawater 

Table 1 | Mechanical Performance and Chloride Diffusivity of Cracked RC Specimens Exposed to Freeze-Thaw Cycles and Intermittent Immersion in Seawater 