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An Experimental Study on the Compressive Strength of Reinforcing Bars in Concrete Specimens and Compressive Strength Measurement Methods
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콘크리트 압축강도 측정법과 공시체 내 철근이 압축강도 측정에 미치는 실험적 연구

논문 기본 정보

Type
Academic journal
Author
LeeWon Hong (경상국립대학교) Sang-Gi Choi (㈜수성) Seuong-Yeol Lee (경상국립대학교) AHN JIN HEE (경상국립대학교) BeomJu Kang (경상국립대학교)
Journal
한국구조물진단유지관리공학회 한국구조물진단유지관리공학회 논문집 한국구조물진단유지관리공학회 논문집 제25권 제6호 KCI Accredited Journals
Published
2021.12
Pages
33 - 40 (8page)

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An Experimental Study on the Compressive Strength of Reinforcing Bars in Concrete Specimens and Compressive Strength Measurement Methods
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Measuring the compressive strength of concrete is a very important factor in the safety review of concrete structures. Concrete compressive strength measurement methods include destructive and non-destructive methods. The destructive method includes the uniaxial compression failure method, and the non-destructive method includes the rebound hardness method and the elastic wave measurement method. In this study, the type of measurement method and the effect of reinforcing bars inside the concrete were tested to examine the relationship between them. Regardless of the type of specimen, the average compressive strength by the elastic wave measurement method among the three experimental methods was greater than the average compressive strength by the other methods. When the specimen type is the same, the standard deviation of the measured values of the elastic wave measurement method is smaller than that of the other measurement methods, so it can be seen that the elastic wave measurement method does not show large variance in the measured values compared to the other two measurement methods. When the average compressive strength according to the test method for each specimen was compared with the average compressive strength of the compressive failure test method, the average compressive strength was measured to be high in the order of the elastic wave measurement method, the compression failure test, and the rebound hardness method. Since the measured values of the compressive strength of concrete are different depending on the method of measuring the compressive strength of concrete and the presence or absence of reinforcing bars inside the concrete, further research is required considering the effect of various concrete covers.
#파괴 검사법 #비파괴 검사법 #압축강도 #철근 #콘크리트 피복두께 #Destructive method #Non-destructive method #Compressive strength #Reinforcing bar #Concrete cover

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