Brom’s Method Sep 2017

Rigid Shaft Foundation Design

User Input

• Load Factors (Factor_vertical, Factor_lateral)
• Foundation Geometry (Diameter, Height, Depth, Discounted Depth)
• Soil Cohesion (Cu)
• Design Guidance (Bearing?, Skin Friction?)
• Allowable Bearing Stress
• Allowable Factor of Safety

Output

• Bearing Stress Ratio
• Skin Friction Ratio

PDF
Reference
Karl Hoitsma, P.E. (khoitsma)