Optimum Design of Prestressed Plates
G. I. N. Rozvany an dA. J. K. Hampson
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The recently introduced balanced load method is applied to plate design. Advantages of this method and deficiencies of conventional methods are discussed. Factors of economical design of prestressed two-way slabs and flat plates are investigated. Two economical methods are introduced. In the first method the equation AZ =q/S replaces the Lagrange equation (AAz =q/D). The other method is based on the minimum value of tendon volume. The economy of these methods is compared with other tendon patterns for usual types of two-way slabs and flat plates, and examples are worked out.