Vierendeel bridge

Because of the lack of diagonal members, Vierendeel trusses employ moment joints to resist substantial bending forces.

Owing to a lesser economy of materials and the difficulty of design before the advent of computers, this truss is rarely used in bridges outside Belgium.

The first such bridge was built in steel at Avelgem, Belgium in 1902, following development of the truss form and a method to calculate its strength in 1896 by Arthur Vierendeel.

There are many more examples in Belgium, including some built in concrete, mostly designed by Vierendeel's many students from his long career as professor in civil engineering.

[2] The double-deck cable-stayed Kap Shui Mun Bridge in Hong Kong uses a Vierendeel truss.