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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: Serviceability of Prestressed Composite Members
Author(s): Yun-Soo Joo and Maher K. Tadros
Publication: Special Publication
Appears on pages(s): 171-191
Keywords: bridges (structures); composite materials; creep properties; prestressed concrete; serviceability; shrinkage; structural analysis; Structural Research
Abstract:The objective of the paper is to develop a computer-based procedure for analysis of members made up of precast prestressed concrete sections with cast-in-place topping. The procedure accounts for cracking under the weight of the cast-in-place topping and superimposed loads. Creep and shrinkage of concrete and relaxation of prestressed steel are taken into account in combination with the effects of cracking. An attempt is made to limit the input data to information commonly available to designers. Linear creep law is used, and time-dependent effects, such as prestress losses and deflection growth, are automatically generated.
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