A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Pittsburg's Civic Arena has almost circular roof of 417 ft diam, with apex of dome 143 ft above arena floor; it is divided into 8 curved 45 ° pie cut sections, 6 movable and 2 fixed; movable sections retract over top of stationary converting auditorium into open air stadium; lighting requirements for various activities and problem of retractable roof which was solved by using 200 separate hanger assemblies, each fabricated to handle group of 2, 4, or 6 incandescent reflector lamps; special spun housing encloses each lamp for protection; lighting placed in roof was rated at more than 576,000 w; other details.
Pittsburg's Civic Arena has almost circular roof of 417 ft diam, with apex of dome 143 ft above arena floor; it is divided into 8 curved 45 ° pie cut sections, 6 movable and 2 fixed; movable sections retract over top of stationary converting auditorium into open air stadium; lighting requirements for various activities and problem of retractable roof which was solved by using 200 separate hanger assemblies, each fabricated to handle group of 2, 4, or 6 incandescent reflector lamps; special spun housing encloses each lamp for protection; lighting placed in roof was rated at more than 576,000 w; other details.
Retractable roof
Illum Eng
Long, C.J. (author)
1962
3 pages
Article (Journal)
English
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