Mid-span of the top and bottom slabs (maximum positive sagging moments).
The standard combination formulation per EN 1990 (often utilizing Equation 6.10, or the more critical of 6.10a and 6.10b) is applied: box culvert design calculations eurocode 2021
): Horizontal soil pressure acting on the vertical walls. According to EN 1997, this varies linearly with depth and is derived from the earth pressure coefficient at rest ( K0cap K sub 0 ) or active earth pressure ( Kacap K sub a Mid-span of the top and bottom slabs (maximum
Box culverts are analyzed as .