With the gradual enrichment in the types of concrete, the types of superplasticizers have also enhanced, and naphthalene superplasticizers and polycarboxylic acid superplasticizers are starting to be commonly used in concrete [27,28]. While there have already been many types of superplasticizers, which can be all based on OPC, the element https://aerogel-blanket94714.anchor-blog.com/17990610/fascination-about-air-entrained-concrete