| abstract |
The present invention relates to a hydraulic binder composition comprising at least 50% by weight of granulated blast furnace slag and a system for activating said slag, said system comprising at least calcium sulphate, at least one product chosen from a source Portland clinker and lime, at least one aluminum derivative, and at least one alkali or alkaline earth metal salt. The present invention also relates to a composition of ready-to-mix construction material comprising such a hydraulic binder and granules of inert material capable of being agglomerated in the presence of an aqueous phase. The present invention also relates to a process for implementing the ready-to-mix composition according to the invention, comprising a step of mixing said composition with water, for the preparation of a construction material, such as a concrete or mortar, and in particular a mortar glue, joint mortar, or mortar or smoothing plaster. |