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ESTIMATION OF CHEMICAL PRE-STRAIN AND CHEMICAL PRE-STRESS FOR CPC MEMBERS WITHOUT SYMMETRICAL AXIS IN CROSS SECTION

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  • 膨張コンクリートを用いた対称軸の無いCPC部材の膨張ひずみ分布の推定方法

Abstract

<p> Precise practical estimation of the expansive strain distribution in cross-sectional dimension is important for effective use of CPC(Chemically pre-stressed concrete) members, but previous studies have reported only the expansive strain distribution of CPC members having symmetrical arrangement of reinforcing bars and cross-sectional dimensions. In this study, we report the estimation method and the experimental results of the expansive strain distribution of CPC members with non-symmetrical rebar arrangement in T-shaped and L-shaped cross sections. The value of the expansive strain estimated by the proposed cross-sectional analysis from the expansive strain of the JIS specimen is goodly corresponded with the experimental value using the Work-done concept.</p>

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