wet shotcrete machine - leadcrete.com
2001-7-1 · Geotechnical testing indicates that the Grace fibre performed extremely well with the energy absorption tests at 7 kg/m3 and 8 kg/m3 where both achieved over the mine requirement of 750 joules. The Grace fibre and wet shotcrete mix also achieved a compressive strength in excess of 55 MPa, well above the 45 MPa requirement for Premier Mine.
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