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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Design of Partially Prestressed Concrete Beams
Author(s): Paul W. Abeles
Publication: Journal Proceedings
Appears on pages(s): 669-677
Keywords: beams (structural);cracking (fracturing);crack width and spacing;deflection; loads (forces);partial prestressing;prestressed concrete;reinforced concrete; serviceablity;structural design;tensile stress;ultimate strength method (structural)
Abstract:Discusses the design of "partially" prestressed concrete beams, covering also the two limiting cases, i.e., "fully" prestressed and ordinary reinforced concrete beams. The cross section is based on ultimate load conditions and the re-quired effective prestressing force is related to an allowable nominal concrete tensile stress which for a definite reinforc-ing percentage ratio insures that under service load the widest crack does not exceed a permissible width. The type of steel required for the nontensioned reinforcement is governed by the permissible maximum deflection. Simple, well-known formulas are used.
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