Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Partially-prestressed reinforced concrete helical stairs
Extensions to Bologna University have partially prestressed reinforced concrete stairs which are helical in shape and eliptical in plan; height between floors is 19 ft 8 in.; superload was assumed to be 87 1/2 lb per sq ft; max stress in concrete 1000 psi; main beam is prestressed by two cables, each tensioned to 22 tons.
Partially-prestressed reinforced concrete helical stairs
Extensions to Bologna University have partially prestressed reinforced concrete stairs which are helical in shape and eliptical in plan; height between floors is 19 ft 8 in.; superload was assumed to be 87 1/2 lb per sq ft; max stress in concrete 1000 psi; main beam is prestressed by two cables, each tensioned to 22 tons.
Partially-prestressed reinforced concrete helical stairs
Concrete Constr Eng
1954
3 pages
Aufsatz (Zeitschrift)
Englisch
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