Correlation of ultrasonic velocity slowness with uniaxial compressive strength of schists in Malaysia

Thian Lai Goh, Abdul Ghani Rafek, Ailie Sofyiana Serasa, Norbert Simon, Azimah Hussin, Khai Ern Lee

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

The uniaxial compressive strength (UCS) of rock material is one of the important mechanical parameters widely used for design, analysis and modeling in geotechnical engineering. Determination of UCS is destructive, expensive and time consuming. Recent trends have shown that ultrasonic velocity testing is a viable option for the prediction of UCS, considering that ultrasonic velocity testing is non-destructive, relatively inexpensive, fast and easy to conduct. This research presents a simple and reliable correlation to predict UCS from sonic velocity slowness determinations for schist. A total of 26 ultrasonic and uniaxial compressive strength tests were conducted to establish a correlation of UCS and sonic velocity slowness (1/Vp). The determined correlation is expressed as UCS = 1144.9 e-11183·(1/Vp) with coefficient of determination of 0.93.

Original languageEnglish
Pages (from-to)12663-12670
Number of pages8
JournalElectronic Journal of Geotechnical Engineering
Volume20
Issue number25
Publication statusPublished - 2015

Fingerprint

Ultrasonic velocity
compressive strength
schist
Compressive strength
nondestructive testing
Geotechnical engineering
geotechnical engineering
Testing
Ultrasonics
Rocks
prediction
rock
modeling

Keywords

  • Schist
  • Sonic velocity slowness (1/Vp)
  • Ultrasonic velocity test
  • Uniaxial compressive strength (UCS)

ASJC Scopus subject areas

  • Geotechnical Engineering and Engineering Geology

Cite this

Correlation of ultrasonic velocity slowness with uniaxial compressive strength of schists in Malaysia. / Goh, Thian Lai; Rafek, Abdul Ghani; Serasa, Ailie Sofyiana; Simon, Norbert; Hussin, Azimah; Lee, Khai Ern.

In: Electronic Journal of Geotechnical Engineering, Vol. 20, No. 25, 2015, p. 12663-12670.

Research output: Contribution to journalArticle

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AU - Hussin, Azimah

AU - Lee, Khai Ern

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