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Journal of Zhejiang University SCIENCE A 2005 Vol.6 No.8 P.836~843

10.1631/jzus.2005.A0836


Reliable evaluation method of quality control for compressive strength of concrete


Author(s):  CHEN Kuen-suan, SUNG Wen-pei, SHIH Ming-hsiang

Affiliation(s):  Department of Industrial Engineering and Management, Department of Landscape Design and Management, National Chin-Yi Institute of Technology, Taiping, Taichung, Taiwan 41111, China; more

Corresponding email(s):   sung809@chinyi.ncit.edu.tw

Key Words:  Quality index of concrete, The best estimators, Quality control chart, Evaluation criteria, Fit degree of compressive strength of concrete, Stable degree of compressive degree of concrete


CHEN Kuen-suan, SUNG Wen-pei, SHIH Ming-hsiang. Reliable evaluation method of quality control for compressive strength of concrete[J]. Journal of Zhejiang University Science A, 2005, 6(8): 836~843.

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author="CHEN Kuen-suan, SUNG Wen-pei, SHIH Ming-hsiang",
journal="Journal of Zhejiang University Science A",
volume="6",
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pages="836~843",
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publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2005.A0836"
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T1 - Reliable evaluation method of quality control for compressive strength of concrete
A1 - CHEN Kuen-suan
A1 - SUNG Wen-pei
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PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.2005.A0836


Abstract: 
Concrete in reinforced concrete structure (RC) is generally under significant compressive stress load. To guarantee required quality and ductility, various tests have to be conducted to measure the concrete’s compressive strength based on ACI (American Concrete Institute) code. Investigations of recent devastating collapses of structures around the world showed that some of the collapses directly resulted from the poor quality of the concrete. The lesson learned from these tragedies is that guaranteeing high quality of concrete is one of the most important factors ensuring the safety of the reinforced concrete structure. In order to ensure high quality of concrete, a new method for analyzing and evaluating the concrete production process is called for. In this paper, the indices of fit and stable degree are proposed as basis to evaluate the fitness and stability of concrete’s compressive strength. These two indices are combined to define and evaluate the quality index of the compressive strength of concrete. Principles of statistics are used to derive the best estimators of these indices. Based on the outcome of the study, a concrete compressive strength quality control chart is proposed as a tool to help the evaluation process. Finally, a new evaluation procedure to assess the quality control capability of the individual concrete manufacturer is also proposed.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

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[11] Montgomery, D.C., 1985. Introduction to Statistical Quality Control. John Wiley & Sons, New York, U.S.A.

[12] NCREE, Taiwan, 1999. Investigation of 921 Chi-Chi Earthquake Damages.

[13] PCA, 1970. Statistical Product Control. Publication IS172T, Portland Cement Association, Skokie, IL, U.S.A.

[14] Pearn, W.L., Kotz, S., Johnson, K.L., 1992. Distribution and inferential properties of process capability indices. Journal of Quality Technology, 24:216-231.

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2014-07-23 15:09:43

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2010-10-20 22:17:51

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