Semigraphical Analysis of Long Prestressed Concrete Vaulted Shells
Andrew R. Nasser and arl B. Johnson
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Presents a simple and rational method for the analysis of transverse sections of longitudinally prestressed vaults. The method requires no involved mathematics and is also adaptable without prestress, for which case its accuracy is compared to that of available analytical solutions. The procedure is valid for long vaulted shells of such proportions that beam action may be assumed to occur. Whereas a rigorous mathematical solution for prestressed vaults is forbidding, if not impossible in many instances, the graphical approach is simple yet accurate and adaptable to vaults of any section and variable thickness. The method also promotes a physical understanding of the transverse shell action.