The roof of TWA Terminal consists of four cantilevering, wing like shells each of them
assembled by edge beams and support by two Y-shaped buttresses that are steep along
the direction by resultant load action with spherical, lightweight concrete shell segment.
Each shell unit only rest on two abutments. Skylight spans gap between the shells along
the interior edge beams near the center of the roof, the interior edge beam consist in
center of the roof and connecting common plate at the intersection of the four units