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Structural Engineering and Mechanics   Volume 8, Number 6, December 1999, pages 561-578
Time-dependent analysis of reinforced concrete structures using the layered finite element method
Bradford MA, Gilbert RI, Sun SCH

Abstract     [Buy Article]
    The response of a reinforced concrete structure to loading is both immediate and time-dependent. Under a sustained load, the deflections caused by creep and shrinkage may be several times their instantaneous values. The paper describes a general finite element procedure, based on the so-called layered model, to analyse reinforced concrete members, and shows in particular how the simple Step by Step Method may be incorporated into this procedure. By invoking the Modified Newton Raphson Method as a solution procedure, the accuracy of the finite element method is verified against independent test results, and then applied to a variety of problems in order to demonstrate its efficacy. The method forms a general method for analysing highly indeterminate concrete structures in the time domain.
Key Words
    reinforced concrete, creep, finite elements, layered method, shrinkage, Step by Step Method, time effects
Bradford MA, Univ New S Wales, Sch Civil & Environm Engn, Sydney, NSW 2052, Australia
Univ New S Wales, Sch Civil & Environm Engn, Sydney, NSW 2052, Australia
SMEC, N Sydney, NSW 2060, Australia

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