Cementitious matrices for high performance fibre reinforced cement composites (HPFRCC), in particular ultra-high performance fibre reinforced concretes (UHPFRC)

摘要

A cementitious matrix for Ultra-High Performance Fibre Reinforced Concrete (UHPFRC) containing the following constituents (in % mass of dry mix):
a) 25 to 65 % Portland cement type CEM I;
b) 25 to 70 % of Limestone filler;
c) 5 to 15 % ultrafine mineral additions;
d) 0 to 50 % fine sand with a diameter superior to 100 mm and lower than 5 mm. The invention also provides the corresponding UHPFRC cementitious mixture and element.