Wheel load disperses at 45° horizontally and vertically through the fill, plus the depth of the top slab. The resulting patch load on the slab is calculated as: box culvert design calculations eurocode 2021
Use Load Combination: $\gamma_G G + \gamma_Q Q$.
Wheel load disperses at 45° horizontally and vertically through the fill, plus the depth of the top slab. The resulting patch load on the slab is calculated as: