Box Culvert Design Calculations Pdf

Critical shear occurs at the face of the supports.

[ R_u = \frac30.31\times10^60.9\times1000\times200^2 = 0.842 , \textMPa ] [ \rho = 0.0425 \times (1 – \sqrt1 – 0.0792) = 0.00175 ] [ A_s = 350 , \textmm^2/\textm ] Minimum steel governs (450 mm²/m). Provide #10@170 mm (462 mm²/m) at midspan bottom. box culvert design calculations pdf

Live loads vary depending on the location of the culvert (under a roadway or railway). Critical shear occurs at the face of the supports