Cement-based grout, mixtures of adjuvants for the preparation of this grout, and applications

摘要

Injection grouts. The grout of the invention is characterised by the incorporation of silica particles in a proportion of at least 3 % by weight relative to the weight of cement, these particles having a specific surface of at least 15 m<2>/g. This grout is intended especially to be injected around a prestressing cable.