Structural Engineering Slide Library
Modern domes: Retractable
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Image-GoddenE39 Public Auditorium. Designed to serve both as a convention hall and as an open-air amphitheater seating 13,600, the building has a retractable dome consisting of radial steel ribs sheathed in stainless steel. The dome has a diameter of 417 ft. and a rise of 109 ft. (Pittsburgh, Pennsylvania) | |
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Image-GoddenE40 Retractable roof of auditorium (GoddenE39) is held by a curved cantilever tripod space frame outside the dome. Top legs are box units 3 ft X 3 1/2 ft; bottom leg is 8 ft X 17 ft box. Roof divided into 8 equal segments, six of which retract over the two fixed segments. All 8 are supported at the center on the space truss and roll on the supporting ring. (Pittsburgh, Pennsylvania) | |
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Image-GoddenE41 Ring girder of auditorium (GoddenE39) is supported on a series of A-frames with the vertical leg directly beneath the girder and the sloping leg (shown) to prevent radial displacement. (Pittsburgh, Pennsylvania) |
Set E: Domes and Shells
