L'effet du superplastifiant d'acide polycarboxylique retenant l'affaissement sur les affaissements du béton
1.IntroductionConcrete is one of the most widely used construction materials in the world. Its workability, especially slump, is a crucial property that affects the ease of placement, compaction, and finishing of concrete. The slump of concrete refers to the vertical settlement of a freshly mixed concrete cone measured in accordance with standard test methods. A …








