Culvert Design Calculations Pdf !!exclusive!! — Box

A box culvert is a rigid frame structure, typically rectangular in cross-section, used to convey water (streams, storm drains) or act as pedestrian/vehicular underpasses. Unlike flexible pipe structures, a box culvert relies on the rigidity of its structural elements (top slab, bottom slab, and side walls) to resist loads.

( w_u = 1.25\times27.85 + 1.75\times18.6 ) = 34.81 + 32.55 = 67.36 kN/m² Negative moment (end) = ( 67.36 \times 3.0^2 / 12 ) = 50.52 kN·m/m Positive moment (mid) = ( 67.36 \times 3.0^2 / 20 ) = 30.31 kN·m/m Shear at face of wall = ( w_u \times L / 2 ) = 67.36 × 1.5 = 101.04 kN/m box culvert design calculations pdf