Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Precast girders support long-span roof
Concrete girders 58 ft and 52 ft long used for roof framing of auditorium and gymnasium in New York City elementary school; load totaled 1108 lb per ft of girders including weight; girders, of modified I-section are 3 ft 6 in. deep, flanges 12 in. wide and 6 1/2 in. thick; web is 5 in. thick; cost of 4 in. concrete slab, precast girder, hung ceiling and spandrel amounted to $3.35 per sq ft.
Precast girders support long-span roof
Concrete girders 58 ft and 52 ft long used for roof framing of auditorium and gymnasium in New York City elementary school; load totaled 1108 lb per ft of girders including weight; girders, of modified I-section are 3 ft 6 in. deep, flanges 12 in. wide and 6 1/2 in. thick; web is 5 in. thick; cost of 4 in. concrete slab, precast girder, hung ceiling and spandrel amounted to $3.35 per sq ft.
Precast girders support long-span roof
Eng News-Rec
Engineering News-Record ; 149
1952
2 pages
Aufsatz (Zeitschrift)
Englisch
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Prestressed roof girders set span record
| Engineering Index Backfile | 1954
Prestressed roof girders set span record
| Engineering Index Backfile | 1954