Significant Examples of Concrete Shells in the Twentieth Century
Present-day thin shells were made possible by the advent of concrete as a new building material that let vaults and domes be built with much less thickness and weight than their masonry counterparts. Moreover, new forms were eventually built with ease to capitalize on the tensile strength of reinforced concrete. Reinforced concrete thin shells have in the twentieth century completely replaced masonry vaults and domes, in the process of expanding the shapes of curvilinear forms to an almost unlimited variety. When they have been applied to cover large, unobstructed spaces, concrete shells have also reached spans of extraordinary length that match that of equivalent steel structures.
KeywordsShell Structure Thin Shell Roof Structure Hyperbolic Paraboloid Tension Ring
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