1. Seismic Parameters
Design earthquake moment magnitude
Geometric mean peak horizontal ground accel.
2. Site & Soil Conditions
Depth of SPT test / soil layer
Static ground water table depth
Total moist/saturated unit weight
Percent passing #200 sieve (< 0.075 mm)
3. SPT Field Data & Corrections
Field measured raw blow count
Hammer efficiency (typical: Safety=60%, Auto=80%)
1.0 for 65-115 mm, 1.05 for 150 mm, 1.15 for 200 mm
0.75 (<4m), 0.85 (4-6m), 0.95 (6-10m), 1.0 (>10m)
1.0 with standard liner, 1.1-1.3 without liner
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