Journal of the Korea institute for structural maintenance and inspection (한국구조물진단유지관리공학회 논문집)
- Volume 3 Issue 2
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- Pages.177-183
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- 1999
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- 2234-6937(pISSN)
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- 2287-6979(eISSN)
Application on the Prediction Model of the Compressive Strength of Concrete by Maturity Method
적산온도에 의한 콘크리트 압축강도 추정모델의 적용성 검토
- Received : 1999.03.10
- Published : 1999.04.30
Abstract
The major object of this study is to investigate experimentally the experimental equation by the non-destructive testing methods of ultrasonic pulse velocity, rebound number, combined method of ultrasonic pulse velocity and rebound number, maturity which are applicable to the evaluation of compressive strength of concrete at early ages. Also test result of mix are statistically analyzed to infer the correlation coefficient between the maturity and the compressive strength of concrete. The results show good application of Logistic curve for estimating strength development under various curing temperature. The relation between ultrasonic pulse velocity, rebound number, combined method of ultrasonic pulse velocity and rebound number and compressive strength of concrete have low correlation coefficient, but maturity method show good correlation coefficient.