Formulas: Compressive Strength

Formula 1

**$P_{no} = P_p - \frac{P_p - P_y}{(\lambda_r - \lambda_p^2}(\lambda - \lambda_p^2$ (Eq.

Formula 2

**$P_{no} = F_n A_s + 0.7 f'_c \left[ A_c - A_{sr} \left( \frac{E_s}{E_c} \right) \right]$ (Eq.

Formula 3

I2-9e** (text_label - position: points to curve for $\lambda > \lambda_r$)))

Formula 4

| $\lambda$ (where $\lambda_p < \lambda \le \lambda_r$) | $P_p - \frac{P_p - P_y}{(\lambda_r - \lambda_p^2}(\lambda - \lambda_p^2$)) | Noncompact Section (Eq.

Found in

• AXIAL FORCE