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Architectural Institute of Korea (대한건축학회)
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Size Estimation of Concrete Structures Using the Impact Echo Method

  • Hong, Seong-Uk (Department of Architecture, Woosuk University) ;
  • Yoon, Sang-Ki (Department of Architectural Engineering, Hanbat National University) ;
  • Lee, Yong-Taeg (Department of Architectural Engineering, Hanbat National University) ;
  • Kim, Seung-Hun (Department of Architectural Engineering, Hanbat National University)
  • Received : 2020.01.10
  • Accepted : 2020.03.06
  • Published : 2020.03.30
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Abstract

This study aims to verify a method for accurately estimating the sizes of the column, slab, and beam members of concrete structures using the impact echo method, which is a nondestructive testing method. The concrete specimens are designed and fabricated with six single-layer frame specimens composed of columns, slabs, and beam members based on three strengths of 24, 30, and 40 MPa. To estimate the sizes of the members according to the member types of concrete structures, the experiment was performed using the impact echo method. As a result of estimating the sizes of the concrete column members using the impact echo method, the error rate is 2.9%. As a result of estimating the depth of the concrete beam members, the error rate is 9.7%. And, as a result of estimating the thickness of the concrete slab members, the error rate is 2.4%. These results confirmed that quality control of the members of concrete structures is possible by estimating their sizes using a non-destructive testing method.

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References

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