Soil Bearing Capacity Calculator
Inputs
psf
Soft clay: 200–500 psf; stiff clay: 1,000–2,000 psf; hard clay: 2,000–4,000 psf
°
ASTM D3080: loose sand 28–32°; dense sand 36–40°; gravel 40–45°; clay 0–15°
ft
ft
pcf
Tab to move between fields
Results
Ultimate Bearing Capacity
18,029 psf
Allowable Bearing (FS=3)
6,010 psf
Net Allowable Bearing5,890 psf
Bearing Factor Nc30.14
Bearing Factor Nq18.4
Bearing Factor Nγ22.4