Final Maximum Stress

σ_{\max, lt, ϕ} = \frac{n_{ϕ} + n_{sh, ϕ}}{A_{I, ϕ}} + \frac{m_{ϕ} - n_{ϕ} \cdot (z_{I, ϕ} - h / 2) + m_{sh, I, ϕ}}{I_{I, ϕ} \cdot (h - z_{I, ϕ})}

σ_{\max, st, ϕ} = \frac{n_{ϕ}}{A_{I, st, ϕ}} + \frac{m_{ϕ} - n_{ϕ} \cdot (z_{I, st, ϕ} - h / 2)}{I_{I, st, ϕ} \cdot (h - z_{I, st, ϕ})}

σ_{\max, ϕ} = \max (σ_{\max, st, ϕ}, σ_{\max, lt, ϕ})

n_ф	Axial force due to external loading
n_sh,ф	Additional axial force due to shrinkage
m_ф	Moment due to external loading
m_sh,I,ф	Additional moment due to shrinkage in state I
h	Cross-section depth
z_I,ф	Distance of center of gravity of the ideal section from the concrete surface in compression in state I
A_I,ф	Ideal cross-section area in state I
I_I,ф	Ideal moment of inertia in state I
z_I,st,ф	Distance of center of gravity of the ideal section from the concrete surface in compression in state I in the reinforcement direction ф, short-term loading
A_I,st,ф	Ideal cross-section area in state I in the reinforcement direction ф, short-term loading
I_I,st,ф	Ideal moment of inertia in state I in the reinforcement direction ф, short-term loading

;