Box Culvert Design Calculations Eurocode 2021 Site

$$ E_d = 1.35 G_k + 1.5 Q_k $$ (Simplified) Refer to EN 1990 Equation 6.10 for exact partial safety factors and combination factors ($\psi$).

q_U = 152.9 kN/m².

For culverts with cover > span/2, use full overburden: ( q_earth = \gamma_soil \cdot H_cover ) = 20 × 1.5 = 30 kPa. Attenuation not required per EN 1997-1 Annex C for rigid culverts. box culvert design calculations eurocode 2021

| Parameter | Value | |-----------|-------| | Span (clear inside) | 3.0 m | | Height (clear inside) | 2.0 m | | Wall / slab thickness | 0.25 m | | Cover above top slab | 1.5 m | | Soil unit weight (γ_soil) | 20 kN/m³ | | Backfill angle of friction (φ') | 30° | | Concrete class | C30/37 | | Steel grade | B500C | | Groundwater table | Below base slab | $$ E_d = 1