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Journal of Nanchang University(Natural Science). 2015, (04) Core

Analysis on the Distribution of Carbonation Depth across the Section of Recycled Aggregate Concrete BeamsChinese Full Text

LEI Bin;RAO Chunhua;FU Mingfu;YAN Yusong;Department of Building Engineering,Nanchang University;Capital Construction,Nanchang University;

Abstract: Firstly,cracks were dispersed and their influence was included in the coefficient of CO2 diffusion,and based on the Fick’s law,the equation of CO2 diffusion was established,and according to the hypothesis that the process of CO2 diffusion complied with the principle of mass transfer,the equation of mass convection was finally derived in which the effect of stress was included;Then,the value of the stress influencefactor associated with the CO2 diffusio... More
Keywords：

Recycled aggregate concrete; Beams; Carbonation depth; Loading levels; Equation of convection mass; Finite element analysis;

  • DOI：

    10.13764/j.cnki.ncdl.2015.04.010

  • Series：

    (A) Mathematics/ Physics/ Mechanics/ Astronomy; (C) Architecture/ Energy/ Traffic/ Electromechanics, etc

  • Subject：

    Architecture and Engineering

  • Classification Code：

    TU37

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