Patent ID: 7875113
Filing Date: 2011-01-25
Classification: C04B,Y10S

Abstract:
1. A concrete obtained through mixing a composition comprising the following constituents: a) 21 to 27% of a hydraulic binder, b) 52 to 68% of aggregate particles having a size of between 0.02 mm and 5 mm, c) 2 to 6% of pozzolanic reaction particles having a size of between 0.1 and 3 microns, d) up to 10% of filler having a particle size between 10 and 200 microns, e) 0.32 to 1.6% of a dispersant, f) a weight of fibres such that the volume of fibres in the composition is 0.1 to 1.2% of the total volume of the composition, g) 0.02 to 0.1% of a defoamer agent, and h) 7 to 14% of water, each percentage being the percentage by weight of the respective constituent relative to the sum of the weights of constituents a) to h).