Part 7 COMPACTION METHODS - Missouri S&T
2014-2-24 · METHODS The number of ... Silty sands and gravels, SM, GM (A-3, A-2-4, A-2-5) Vibratory Pneumatic, pad foot Moisture control often critical Clean sands, SW, SP (A-1-b) Vibratory Impact, pneumatic - ... These machines only engender about 10 to 14 psi compactive effort . Hand Operated Tampers and