Superplasticizers, Also called high range water reducers, are chemicals used to make high-strength concrete with less water. These additives, which involve purified lignosulfonates, carboxylate artificial polymers, sulfonated synthetic polymers, and artificial polymers with combined functionality cementitious products, are used in modest amounts to improve the flow of concrete mixture... https://rylanijigd.bloggadores.com/36660307/detailed-notes-on-prestressed-concrete-means