Empirical correlation of uniaxial compressive strength and primary wave velocity of Malaysian granites

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

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Uniaxial compressive strength (UCS) plays a significant role in influencing the stability of structures such as cut slopes and excavation in rock masses. The rock material parameter of UCS also serves as an input parameter for geomechanical modeling in fracture basement studies. However, uniaxial compressive strength test (UCT), requires sample preparation, together with expensive and destructive laboratory testing and thus the limited rock samples has becomes a disadvantage. This article presents an inexpensive laboratory method for estimating the UCS values for Malaysian granites through means of non-destructive ultrasonic test. A total of 77 ultrasonic tests and uniaxial compressive strength tests were conducted to establish an empirical correlation of UCS and primary wave velocity (Vp). The empirical correlation of UCS and Vp for granite was UCS = (2.55 × 10-5). Vp 1.7658 with a coefficient of determination (R2) of 0.90. This new correlation offers a simple and fast method in estimation of uniaxial compressive strength of Malaysian granites, through measuring the ultrasonic transit time of rock samples in the laboratory.

Original languageEnglish
Pages (from-to)1063-1072
Number of pages10
JournalElectronic Journal of Geotechnical Engineering
Volume19 E
Publication statusPublished - 2014

Fingerprint

compressive strength
Compressive strength
wave velocity
Rocks
Ultrasonics
rock
laboratory method
Granite
sample preparation
Excavation
excavation
granite
test
Testing
modeling

Keywords

  • Granite
  • Primary wave velocity
  • Uniaxial compressive strength

ASJC Scopus subject areas

  • Geotechnical Engineering and Engineering Geology

Cite this

Empirical correlation of uniaxial compressive strength and primary wave velocity of Malaysian granites. / Goh, Thian Lai; Rafek, Abdul Ghani; Serasa, Ailie Sofyiana; Simon, Norbert; Lee, Khai Ern.

In: Electronic Journal of Geotechnical Engineering, Vol. 19 E, 2014, p. 1063-1072.

Research output: Contribution to journalArticle

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