FormulasFormulas: combined flexure and axial forcePDF page 176 · AISC 360-22Formula 1 (1) When PrPc≥cp\frac{P_{r}}{P_{c}} \geq c_{p}PcPr≥cp PrPc≥cp\frac{P_{r}}{P_{c}} \geq c_{p}PcPr≥cp Formula 2 PrPc+1−cpcm(MrMc)≤1.0\frac{P_{r}}{P_{c}}+\frac{1-c_{p}}{c_{m}}\left(\frac{M_{r}}{M_{c}}\right) \leq 1.0PcPr+cm1−cp(McMr)≤1.0 Formula 3 (2) When PrPc<cp\frac{P_{r}}{P_{c}}<c_{p}PcPr<cp PrPc<cp\frac{P_{r}}{P_{c}}<c_{p}PcPr<cp Formula 4 (1−cmcp)(PrPc)+MrMc≤1.0\left(\frac{1-c_{m}}{c_{p}}\right)\left(\frac{P_{r}}{P_{c}}\right)+\frac{M_{r}}{M_{c}} \leq 1.0(cp1−cm)(PcPr)+McMr≤1.0 Formula 5 csr=AsFy+AsrFyrAcfc′c_{s r}=\frac{A_{s} F_{y}+A_{s r} F_{y r}}{A_{c} f_{c}^{\prime}}csr=Acfc′AsFy+AsrFyr Found in COMBINED FLEXURE AND AXIAL FORCE Formulas: Composite Plate Shear WallsPrevious PageFormulas: External Force Applied to Steel SectionNext Page