A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Jacks will prestress HP roof
9500 sq ft hyperbolic-paraboloid roof structure of National Library of Medicine, Bethesda, Md is carried by 4 steel columns; building has 5 floors; lower floors are of reinforced concrete, upper 2 floors of steel frame construction; prestressing of roof is provided after concrete attained 28 day strength; jacks force columns outward as cantilever, applying compressive forces to HP roof.
Jacks will prestress HP roof
9500 sq ft hyperbolic-paraboloid roof structure of National Library of Medicine, Bethesda, Md is carried by 4 steel columns; building has 5 floors; lower floors are of reinforced concrete, upper 2 floors of steel frame construction; prestressing of roof is provided after concrete attained 28 day strength; jacks force columns outward as cantilever, applying compressive forces to HP roof.
Jacks will prestress HP roof
Eng News-Rec
Engineering News-Record ; 166
1961
2 pages
Article (Journal)
English
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