Foundations & Piles
Lateral Pile Capacity (Broms Method)
Ultimate lateral load of single piles by Broms (1964) in clay and sand: free or fixed head, short, intermediate and long piles, with capacity versus length.
Lateral Pile Capacity (Broms Method)
Ultimate lateral load of single piles by Broms (1964) in clay and sand: free or fixed head, short, intermediate and long piles, with capacity versus length.
Inputs
1. Soil & Head Condition
2. Pile & Load
Plastic moment of steel (fy·Zp) or the moment capacity of a reinforced concrete section
Steel pipe helper (optional)
Results
Enter the soil strength, pile size and yield moment above, or click a Demo preset, to compute the ultimate lateral capacity.
Theory and formulae
Broms Method
About this calculator
This free broms lateral capacity calculator runs entirely in your browser: what you enter is never uploaded. Use the calculation steps and the theory section to check the working, and print a calculation sheet with the inputs, results and formulae for your records.
Methods and references: Broms (1964a, 1964b), Poulos & Davis (1980), FHWA GEC 12.
Topics: broms, lateral pile capacity, ultimate lateral load, laterally loaded pile, free head, fixed head, short pile, long pile, yield moment, pier foundation.
Engineering notice: Results are for preliminary estimation, screening and education. All inputs and outputs must be independently verified by a qualified professional engineer before use in any design or construction decision. Read the full disclaimer
Disclaimer
This calculation sheet was generated with Geotechnical Toolbox for preliminary estimation, screening, educational and verification purposes only. Geotechnical engineering involves site-specific ground conditions and uncertainty. All inputs, methods, results and figures must be independently checked and approved by a qualified Professional Engineer (P.Eng. / PE) before being relied on for design, construction or any safety-critical decision. Results reflect the values entered at the time of printing. The author and site accept no liability for errors, omissions or damages arising from their use.
Open this calculator online: geotechnica.ca/tools/broms-lateral-capacity
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