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5x
002372
2026-07-22

Design Moment – Bottom Reinforcement

Design moment bottom

Mf,(Achse),(bottom),u=max(MC,+x,(bottom)+MA,+x,(bottom);MC,−x,(bottom)+MA,−x,(bottom);0)Φ

MC

Moment from the compressive stress block (soil pressure) in the positive/negative axis direction

MA

Moment from additional foundation loads in the positive/negative axis direction

Φ

Reduction factor (see below)
;