Understanding Wet-Mix Shotcrete: Mix Design ...

Instead of adjusting the plasticizer’s content (normal or high-range water reducers and super-plasticizers) to produce a 75 to 100 mm (3 to 4 in.) slump at the pump, the plasticizer content should be reduced so as to produce a 25 to 50 mm (1 to 2 in.) slump. The air-entraining admixture is then incorporated to produce the slump required for

  Content, Plasticizers, Plasticizer content