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Concrete mixtures incorporating high carbon pozzolans and foam admixtures
Concrete mixtures incorporating high carbon pozzolans and foam admixtures
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机译:掺有高碳火山灰和泡沫掺合料的混凝土混合物
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摘要
Concrete mixtures are manufactured to include high carbon pozzolans and a foam admixture (for air entrainment). The foam bubbles in the foam admixture are stabilized in the presence of the high carbon fly ash by a fluorochemical surfactant. The fluorochemical surfactant preferably comprises an oligomer comprising hydrophilic nonionic monomers and hydrophilic anionic monomers. The high carbon pozzolans can preferably have an LOI greater than between about 1.5% and about 6.0%, without substantially affecting the durability of the foam bubbles in the concrete mixture.
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