Tridilosa

Source: Wikipedia, the free encyclopedia.
A tridilosa, in the ceiling of the Terminal Central de Autobuses del Norte, Mexico

Tridilosa is a very light and resistant, materials-efficient 3-D structure, made from steel and concrete and widely used in civil engineering. Tridilosa was invented by the Mexican engineer Heberto Castillo.

Among the most remarkable features of this structure is that it can save up to 66% on concrete usage and up to 40% on steel, because filling with concrete is not required in the

World Trade Center of Mexico City
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