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Title |
Estimation of Compressive Strength of Reinforced Concrete Vertical and Horizontal Members Using Ultrasonic Pulse Velocity Method
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Authors |
홍성욱(Seonguk Hong) ; 이용택(Yongtaeg Lee) ; 김승훈(Seunghun Kim) ; 김종현(Jonghyun Kim) |
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DOI |
https://doi.org/10.11112/jksmi.2018.22.6.197 |
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Keywords |
초음파속도법 ; 추정 ; 압축강도 ; 수직부재 ; 수평부재 Ultrasonic pulse velocity method ; Compressive strength ; Vertical member ; Horizontal member |
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Abstract |
Recently, remodeling is increasing due to aging of buildings. Therefore, the importance of quality control of structures has been raised, and interest in safety diagnosis and evaluation of structures has been increasing. In order to accurately diagnose old buildings, a diagnostic evaluation technique is needed to evaluate the defects of structures in advance. In addition, as the safety diagnostic criteria for reconstruction are improved and the weight of structural safety is increased, researches on safety diagnosis techniques of structures that are faster and more reliable are needed. In this study, we tried to estimate the compressive strength by examining the correlation between ultrasonic pulse velocity and compressive strength of a 1 story structure consisting of vertical and horizontal members of reinforced concrete using ultrasonic pulse velocity method, which is one of the nondestructive testing methods. The purpose of this study is to examine the applicability in the field. As a result, the estimated average error rate of the compressive strength of the structure using the ultrasonic pulse velocity method was 28.7%, which confirmed the applicability in the field. However, in order to increase the accuracy of the estimation, the necessity of the reliable diagnostic method using the composite nondestructive testing method was confirmed.
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