With the gradual enrichment on the types of concrete, the types of superplasticizers have also greater, and naphthalene superplasticizers and polycarboxylic acid superplasticizers are starting to be commonly used in concrete [27,28]. Whilst there have been numerous types of superplasticizers, which can be all based on OPC, the element morphology https://trentoneedbx.like-blogs.com/37386228/fascination-about-air-entrained-concrete