Patent ID: 7494543
Filing Date: 2009-02-24
Classification: C04B,Y02W,Y10S

Abstract:
1. A concrete obtained through mixing a composition comprising the following constituents: a) 25 to 36% of a hydraulic binder, b) 32 to 47% of aggregate particles having a particle size of between 0.15 mm and 1 mm, c) 2 to 6% of pozzolanic reaction particles having a particle size of between 0.1 and 1 micron, d) up to 20% of a filler having a particle size between 1 micron and 20 microns, e) 0.06 to 2.5% of a dispersant, f) 0.22 to 1.5% of fibres, g) 0.02 to 0.06% of a foam control agent, and h) 7.3 to 9.4% of water, each percentages being the percentage by weight of the respective constituent relative to the sum of the weights of constituents a) to h).