公开(公告)号：US09926234B2

公开(公告)日：2018-03-27

申请号：US15320157

申请日：2015-06-18

Applicant: LAFARGE

Inventor： Fabrice Toussaint ,  Gërard Molines ,  Rémi Barbarulo

IPC: C04B28/14 ,  C04B28/04 ,  C04B7/52 ,  C04B18/14 ,  C04B14/06 ,  C04B14/28 ,  C04B103/50

CPC classification number: C04B28/14 ,  C04B7/527 ,  C04B14/06 ,  C04B14/28 ,  C04B18/146 ,  C04B28/04 ,  C04B2103/50 ,  C04B2201/52 ,  Y02W30/94 ,  C04B14/062 ,  C04B14/30 ,  C04B20/008

Abstract: A hydraulic binder includes, as percentage by mass: from 17 to 55% of a Portland cement, the particles of which have a D50 of from 2 μm to 11 μm; at least 5% of silica fume; from 36 to 70% of a mineral addition A1, the particles of which have a D50 of from 15 to 150 μm; the sum of these percentages being from 80 to 100%; the sum of the percentages of cement and of silica fume being greater than 28%; the mineral addition A1 being selected from slags, pozzolanic additions or siliceous additions such as quartz, silico-calcareous mineral additions, calcareous additions such as calcium carbonate or mixtures thereof.