Effects of Creep and Shrinkage on Deflections of Continuous Composite Beams
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Creep and shrinkage of concrete affect the behavior of steel-concrete composite
beams and should be taken into account in the analysis of these structures. A number of
methods which have different level of accuracy are available for the time analysis of
composite structures. Eurocode 4, the contemporary European code for design of steel-
concrete composite structures, recommends simple methods for calculation of creep and
shrinkage effects. In this paper, the deflections of continuous composite beams calculated
with method proposed by Eurocode 4 and the more accurate Age Adjusted Effective
Modulus Method (AAEM) are compared. Cracking of concrete is also considered. Through
a set of numerical examples, accuracy of methods proposed by Eurocode 4 is discussed