Patent ID: 9139473
Filing Date: 2015-09-22
Classification: B01F,B05B,B05D,C04B

Abstract:
1. A fresh concrete composition and which resists equipment clogging when sprayed or extruded under pressure, comprising mixture products of: water, a cellulosic ether flow aid; cement, an acrylic plasticizer, a a particle packing aggregate, at least a portion of the particle packing aggregate being rounded rather than crushed and including a first aggregate portion having a first particle size and a second aggregate portion having a second particle size smaller than the first particle size so that the aggregate is capable of particle packing; and glass fibers, wherein a ratio of the water to the cement being from about 0.25:1 to about 0.4:1 and the glass fibers comprising less than about 4% of the fresh concrete composition.