Experiment on the Correlation of Chloride Diffusion Coefficient with Mechanical andDurability Index of Concrete with Supplementary Cementitious Materials

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Experiment on the Correlation of Chloride Diffusion Coefficient with Mechanical andDurability Index of Concrete with Supplementary Cementitious Materials

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[1]ZENG Li,ZHU Yun-dong,ZHAO Zhuo.Experiment on the Correlation of Chloride Diffusion Coefficient with Mechanical andDurability Index of Concrete with Supplementary Cementitious Materials[J].Journal of Zhengzhou University (Engineering Science),2013,34(01):1-4.[doi:10.3969/j.issn.1671-6833.2013.01.001]

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Journal of Zhengzhou University (Engineering Science)[ISSN 1671-6833/CN 41-1339/T] Volume: 34卷 Number of periods: 2013 01 Page number: 1-4 Column: Public date: 2013-01-16

Title:: Experiment on the Correlation of Chloride Diffusion Coefficient with Mechanical andDurability Index of Concrete with Supplementary Cementitious Materials

Author(s):: ZENG Li1; ZHU Yun-dong1; ZHAO Zhuo1; 1.School of Civil Engineering, Zhengahou University , Zhengzhou 450001,China; 2.Henan Institute of Architectural Design &Research Co. ,Ltd，Zhengzhou 450014 , China

Keywords:: concrete; permeability ; chloride diffusion coefficient; durability; correlation

CLC:: TU528.1

DOI:: 10.3969/j.issn.1671-6833.2013.01.001

Abstract:: Through test on mechanical and durability index of concrete with supplementary cementitious mate-rials,the correlation of chloride diffusion coefficients at dfferent ages with cement amount per cube meter, ce-mentitious materials amount per square meter,cube crushing strength,carbonation depth and dynamic elasticmodulus are studied. The test results show that 84d chloride diffusion coefficient has a good linear correlationwith cementitious materials amount per square meter. Chloride diffusion coefficients at different ages all re-duced with the increase of cube crushing strength,and chloride diffusion coefficients at different ages all havea good linear correlation with 84d cube crushing strength. Chloride diffusion coefficients at different ages allincreased with the increase of carbonation depth,and 84d chloride dffusion coefficient has a good linear corre-lation with carbonation depth. Chloride diffusion coefficients at different ages all reduced with the increase of84d dynamic elastic modulus.

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