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UndergroundUnderground Shotcrete Quality Assessment

Denis Beauprè, Jean-François Dufour, Joe Hutter, and Marc Jolin

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During the 1990s, the use of dry-mix shotcrete as a tool for ground support became much more prevalent in Canadian hardrock mines. With this increase in dry-mix shotcrete use came the need to develop a practical and accurate method for determining the quality of the