ADDITIVE ESSENTIALLY INTENDED FOR PRODUCING A HYDRAULIC BINDER, CONCRETE OR MORTAR, HYDRAULIC BINDER, CONCRETE OR MORTAR COMPOSITION, AND METHOD FOR MAKING SUCH MORTAR OR CONCRETE

摘要

The invention relates to an additive essentially intended for the production of a hydraulic binder, concrete or mortar. According to the invention, the additive contains a homogeneous mixture of powdered or granulated limestone, and of powdered or granulated controlled reactivity lime (CRL). The invention also relates to a hydraulic binder composition and to a concrete or mortar composition. The invention further relates to a method for preparing concrete or mortar that can optionally be used for forming a self-levelling slab.