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UndergroundGeneralDurability Investigation of Ultra-Rapid Strength-Gain Dry-Mix Shotcrete

Nicolas Ginouse and William Clements

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It has already been shown that rapid strengthgain dry-mix shotcrete using calcium sulfoaluminate (CSA) cement and providing about 2900 psi (20 MPa) after only 2 hours can be effectively produced and placed in mining applications (Reny and Clements 2013).