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      Analytical Model to Predict Residual Flexural Capacity of Recycled Aggregate Concrete Beams with Corroded Longitudinal Rebars

      1 , 1 , 2
      Advances in Materials Science and Engineering
      Hindawi Limited

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          Abstract

          This paper presents the results of research on the flexural behavior of recycled aggregate concrete (RAC) beams. The correlation between flexural behavior and the corrosion level of longitudinal rebar was analysed. Based on theoretical analysis and experiment results, the influence of corrosion on flexural cracking moment was analysed and a model to predict the residual flexural capacity of RAC beams with corroded longitudinal rebars was established. The experimental results show that the development degree of cover cracks deepens with the increase of the corrosion level, and the experimental data also demonstrate that the strain distribution of concrete in the midspan of beams conforms to the plane section assumption better when the corrosion level is little but no longer satisfies the plane section assumption when the corrosion level is high.

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          Most cited references18

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          Recycled Aggregate in Concrete : Use of Industrial, Construction and Demolition Waste

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            Flexural strength of concrete beams with corroding reinforcement

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              Handbook of recycled concrete and demolition waste

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                Author and article information

                Contributors
                Journal
                Advances in Materials Science and Engineering
                Advances in Materials Science and Engineering
                Hindawi Limited
                1687-8442
                1687-8434
                October 13 2020
                October 13 2020
                : 2020
                : 1-11
                Affiliations
                [1 ]Department of Civil Engineering, Yichun University, 576 Xuefu Load, Yichun, JiangXi, China
                [2 ]School of Civil and Architectural Engineering, Shandong University of Technology, 266 Xincun West Load, Zibo, Shandong, China
                Article
                10.1155/2020/3079892
                957ebf18-79c2-4e99-8cde-932296a1a800
                © 2020

                https://creativecommons.org/licenses/by/4.0/

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