Foam Concrete: A State-of-the-Art and State-of-the-Practice Review

<table class="table-group" id="tab7"><tr><td><table class="table"><tr><td class="thead-hr" colspan="10"><hr/></td></tr><tr class="thead"><td class="align_left">Material</td><td class="align_center">Fly ash</td><td class="align_center">Perlite</td><td class="align_center">Foam</td><td class="align_center">Polypropylene fiber</td><td class="align_center">Water</td><td class="align_center">Water-proofing additive</td><td class="align_center">Antifreeze additive</td><td class="align_center">Water reducer</td><td class="align_center">Coagulation accelerator</td></tr><tr><td class="thead-hr" colspan="10"><hr/></td></tr><tr><td class="align_left">Ratio</td><td class="align_center">30</td><td class="align_center">18</td><td class="align_center">150</td><td class="align_center">0.2</td><td class="align_center">40</td><td class="align_center">0.3</td><td class="align_center">2</td><td class="align_center">1</td><td class="align_center">4</td></tr><tr class="table-tr"><td colspan="10"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Optimum proportion for tunnel antifreeze layer (percentage content) [<a href="/journals/amse/2020/6153602/#B221" target="_blank">221</a>].</div>

Advances in Materials Science and Engineering

Foam Concrete: A State-of-the-Art and State-of-the-Practice Review

Table 7