A plain-English tour of the loads that govern bridge design — dead, live and dynamic — how they combine, and why short spans need more dynamic allowance.
Five modelling errors that distort bridge finite element results — over-stiff bearings, wrong element types, missing boundary conditions, coarse meshes and...
Draw influence lines for a simply supported bridge beam step by step, then use them to place a vehicle at the position that produces the worst moment or shear.
