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primary topic: Use of ultrasonic velocity travel time to estimate uniaxial compressive strength of granite and schist in Malaysia

Use of ultrasonic velocity travel time to estimate uniaxial compressive strength of granite and schist in Malaysia
type: AcademicArticle
type: Article
abstract: The uniaxial compressive strength (UCS) is one of the most common mechanical parameters required in geotechnical engineering to characterize the compressive strength of rock material. Measurements of UCS are expensive, time consuming, destructive and thus, not favorable in the presence of limited samples. Therefore, a simple yet practical application is needed for the estimation of UCS. This research presents two correlations to predict UCS values for granite and schist by using ultrasonic velocity travel time (tp) from ultrasonic tests. The validity of the practical approach presented in this research is confirmed based on the strong correlations developed from the experimental tests conducted. For the entire data set, the correlation between UCS and ultrasonic velocity travel time was expressed as UCS = 217.2 e-0.016(tp) for granite and UCS = 1110.6 e-0.037(tp) for schist and the coefficient of determination (R2) value for both granite and schist is 0.93. These correlations may be useful for applications related to geotechnical engineering designs.
date: 2016
volume: 45
issue: 2
is part of: Sains Malaysiana
status: peerReviewed
status: published
author list: authors
type: EPrint
type: ArticleEPrint
is part of: repository

Penerbit Universiti Kebangsaan Malaysia
type: Organization

Sains Malaysiana
type: Collection
issn: 01266039

L.K. Ern
type: Person
given name: L.K.
family name: Ern

A. Hussin
type: Person
given name: A.
family name: Hussin

G.T. Lai
type: Person
given name: G.T.
family name: Lai

A.G. Rafek
type: Person
given name: A.G.
family name: Rafek

A.S. Serasa
type: Person
given name: A.S.
family name: Serasa

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primary topic: Use of ultrasonic velocity travel time to estimate uniaxial compressive strength of granite and schist in Malaysia