RC cantilever retaining wall stem calculator

Inputs in the worked example

The live calculator starts with these values; change any of them and every result, check and diagram updates instantly.

Worked example — results

• ✓ Section can carry M*
• ✓ V* ≤ φVuc

Method, formulas and assumptions

• M = γf[KaγH³/6 + KaqH²/2]; V = γf[KaγH²/2 + KaqH]
• Ast from the AS 3600 rectangular stress block; Ast,min for slabs
• φVuc = 0.7·β1·b·d·f'cv·(Ast/bd)^⅓ (AS 3600-2009 form, conservative)

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