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Investigation of early-age concrete strength development using a contactless ultrasonic method.

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Title: Investigation of early-age concrete strength development using a contactless ultrasonic method.
Authors: Hong, Jinyoung1 (AUTHOR), Choi, Hajin1 (AUTHOR) hjchoi@ssu.ac.kr
Source: Nondestructive Testing & Evaluation. Jul2026, Vol. 41 Issue 7, p4026-4049. 24p.
Subjects: Ultrasonic testing, Compressive strength, Nondestructive testing, Concrete curing, Modulus of rigidity, Seismic wave velocity, Physics
Abstract: The compressive strength of early aged concrete was estimated using obtained shear modulus derived by leaky Rayleigh wave velocity. To obtain shear modulus without interference from other factors, a unique testing configuration was implemented using a contactless ultrasonic method, which offers the advantages of being non-invasive and non-destructive. A parametric study was conducted to examine the influence of material properties and air temperature on the development of leaky wave velocity in a joint half-space. The results indicate that shear modulus is the primary factor influencing the increase in leaky Rayleigh wave velocity, while density and Poisson's ratio also impact wave velocity during the curing process. Experimental validation was carried out using pin penetration tests, compressive tests, and real-time measurements of Poisson's ratio and density, along with the contactless ultrasonic method. The results indicate that the initial velocity of the leaky Rayleigh wave is significantly influenced by the stiffness of coarse aggregates, even when the compressive strength of the specimens is identical. Additionally, the relationship between compressive strength and shear modulus shows a strong linear correlation at early ages. [ABSTRACT FROM AUTHOR]
Copyright of Nondestructive Testing & Evaluation is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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An: 194726146
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  Data: Investigation of early-age concrete strength development using a contactless ultrasonic method.
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  Data: <searchLink fieldCode="AR" term="%22Hong%2C+Jinyoung%22">Hong, Jinyoung</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Choi%2C+Hajin%22">Choi, Hajin</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> hjchoi@ssu.ac.kr</i>
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  Data: <searchLink fieldCode="JN" term="%22Nondestructive+Testing+%26+Evaluation%22">Nondestructive Testing & Evaluation</searchLink>. Jul2026, Vol. 41 Issue 7, p4026-4049. 24p.
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  Data: <searchLink fieldCode="DE" term="%22Ultrasonic+testing%22">Ultrasonic testing</searchLink><br /><searchLink fieldCode="DE" term="%22Compressive+strength%22">Compressive strength</searchLink><br /><searchLink fieldCode="DE" term="%22Nondestructive+testing%22">Nondestructive testing</searchLink><br /><searchLink fieldCode="DE" term="%22Concrete+curing%22">Concrete curing</searchLink><br /><searchLink fieldCode="DE" term="%22Modulus+of+rigidity%22">Modulus of rigidity</searchLink><br /><searchLink fieldCode="DE" term="%22Seismic+wave+velocity%22">Seismic wave velocity</searchLink><br /><searchLink fieldCode="DE" term="%22Physics%22">Physics</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The compressive strength of early aged concrete was estimated using obtained shear modulus derived by leaky Rayleigh wave velocity. To obtain shear modulus without interference from other factors, a unique testing configuration was implemented using a contactless ultrasonic method, which offers the advantages of being non-invasive and non-destructive. A parametric study was conducted to examine the influence of material properties and air temperature on the development of leaky wave velocity in a joint half-space. The results indicate that shear modulus is the primary factor influencing the increase in leaky Rayleigh wave velocity, while density and Poisson's ratio also impact wave velocity during the curing process. Experimental validation was carried out using pin penetration tests, compressive tests, and real-time measurements of Poisson's ratio and density, along with the contactless ultrasonic method. The results indicate that the initial velocity of the leaky Rayleigh wave is significantly influenced by the stiffness of coarse aggregates, even when the compressive strength of the specimens is identical. Additionally, the relationship between compressive strength and shear modulus shows a strong linear correlation at early ages. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Nondestructive Testing & Evaluation is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1080/10589759.2024.2437488
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 24
        StartPage: 4026
    Subjects:
      – SubjectFull: Ultrasonic testing
        Type: general
      – SubjectFull: Compressive strength
        Type: general
      – SubjectFull: Nondestructive testing
        Type: general
      – SubjectFull: Concrete curing
        Type: general
      – SubjectFull: Modulus of rigidity
        Type: general
      – SubjectFull: Seismic wave velocity
        Type: general
      – SubjectFull: Physics
        Type: general
    Titles:
      – TitleFull: Investigation of early-age concrete strength development using a contactless ultrasonic method.
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          Name:
            NameFull: Hong, Jinyoung
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          Name:
            NameFull: Choi, Hajin
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          Dates:
            – D: 01
              M: 07
              Text: Jul2026
              Type: published
              Y: 2026
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              Value: 10589759
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              Value: 41
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              Value: 7
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            – TitleFull: Nondestructive Testing & Evaluation
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