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]. Whilst there are actually many types of superplasticizers, that are all based on OPC, the ingredient morphology of https://juliuslmkki.sharebyblog.com/37445796/rumored-buzz-on-air-entraining-agents