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Theoretical Model of Revised Powell Back Analysis of Composite T-Beam with Error Function

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Abstract:

Composite T-beam in general use is composed of concrete and steel. Compared with mechanical analysis, little research has been carried on deriving the theoretical model for back analysis of composite T-beam. Firstly for composite T-beam, degraded solid element theory is deduced and the displacement function is obtained. Then Markov error function of mechanical parameters of composite T-beam is founded. The back analysis computing formulas are also obtained by adopting optimization method including revised Powell method. Then the steps of back analysis of mechanical parameters of the composite T-beam are given. Through analysis of a classic example, some important conclusions about revised Powell back analysis of mechanical parameters of composite T-beam are obtained.

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Periodical:

Advanced Materials Research (Volumes 146-147)

Pages:

1519-1523

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.146-147.1519

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Cite this paper

Online since:

October 2010

Authors:

Jian Zhang, Wen Gai Lan, Jing Lin

Keywords:

Back Analysis, Error Function, Optimization, Revised Powell Theory, T-Beam

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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