PCEs are adsorbed onto the surface of cement particles by their negatively charged anchoring groups (including carboxyl groups) to form a thicker adsorption layer, creating electrostatic repulsion and steric hindrance, thus enhancing the flowability of the cement slurry. It is actually chemical admixtures that are added towards the concrete to https://aerogel-blanket94714.articlesblogger.com/59981142/the-ultimate-guide-to-and-more-resistant-structures-silicafume-highperformanceconcrete-densemixes-https-www-cabr-concrete-com