): Self-weight of top/bottom slabs and vertical walls (using
Using the steps outlined above, perform the calculations to design the box culvert.
wk=sr,max(εsm−εcm)w sub k equals s sub r comma m a x end-sub open paren epsilon sub s m end-sub minus epsilon sub c m end-sub close paren sr,maxs sub r comma m a x end-sub is the maximum crack spacing and is the relative mean strain between the steel and concrete. Deflection Control (EN 1992-1-1 Section 7.4) box culvert design calculations eurocode 2021
[ A_s = \fracM_Edf_yd \cdot z = \frac45 \times 10^6435 \times 194 = 533 , \textmm^2/\textm ]
A single axle load applied to a specific contact area. Live Load Surcharge ( Qsurcap Q sub s u r end-sub ): Self-weight of top/bottom slabs and vertical walls
:
) is evaluated based on the parabolic-rectangular concrete stress block. Live Load Surcharge ( Qsurcap Q sub s
), cross-section sizing and reinforcement layout can proceed.
$$A_s = \fracM_Edf_yd \cdot z = \frac150 \times 10^6435 \times 263 = 1310 \text mm^2/\textm$$