A truss design consisting of longitudinal members joined by angled struts forming alternating equilateral triangles, creating a zigzag pattern. Warren trusses efficiently distribute loads and are commonly used in bridges and long-span roofs.
Named after British engineers James Warren and Willoughby Monzani who patented the design in 1848. The term became standard in structural engineering as the efficient triangulated system gained widespread adoption.
The Eiffel Tower's legs are essentially massive Warren trusses - the zigzag pattern you see climbing up each leg distributes the tower's weight and wind loads through pure tension and compression! This same principle appears in countless modern stadium roofs and airport terminals.
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