Computers and Concrete

  • 제20권1호
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  • Pages.49-56
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  • 2017
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  • 1598-8198(pISSN)
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  • 1598-818X(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Concrete compressive strength identification by impact-echo method

  • Hung, Chi-Che (Institute of Nuclear Energy Research, Atomic Energy Council) ;
  • Lin, Wei-Ting (Department of Civil Engineering, National ILan University) ;
  • Cheng, An (Department of Civil Engineering, National ILan University) ;
  • Pai, Kuang-Chih (Institute of Nuclear Energy Research, Atomic Energy Council)
  • 투고 : 2016.06.17
  • 심사 : 2017.03.21
  • 발행 : 2017.07.25
⟨ 이전 논문 다음 논문 ⟩

초록

A clear correlation exists between the compressive strength and elastic modulus of concrete. Unfortunately, determining the static elastic modulus requires destructive methods and determining the dynamic elastic modulus is greatly complicated by the shape and size of the specimens. This paper reports on a novel approach to the prediction of compressive strength in concrete cylinders using numerical calculations in conjunction with the impact-echo method. This non-destructive technique involves obtaining the speeds of P-waves and S-waves using correction factors through numerical calculation based on frequencies measured using the impact-echo method. This approach makes it possible to calculate the dynamic elastic modulus with relative ease, thereby enabling the prediction of compressive strength. Experiment results demonstrate the speed, convenience, and efficacy of the proposed method.

키워드

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피인용 문헌

  1. Size Estimation of Concrete Structures Using the Impact Echo Method vol.22, pp.1, 2017, https://doi.org/10.5659/aikar.2020.22.1.23