[00:00] - Introducing Charles Hanskat, P.E.[01:26] - Shotcrete History[06:39] - Shotcrete depends on velocity for compaction[09:44] - Wet mix vs. Dry mix. What's right for you?[11:38] - Water, Cement, and Time[15:39] - Slump[17:58] - Compressive strength[19:46] - Aggregates[21:25] - Standards and Minimums[24:36] - Shrinkage and Cracks[32:10] - Ideal conditions and Curing[39:21] - Weepers[42:29] - WU and ASA Shotcrete Certifications[46:15] - Closing
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