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Predictive model for uniaxial compressive strength for Grade III granitic rocks from Macao
Iok-Tong Ng; Ka-Veng Yuen; Chi-Hou Lau
2015-10-21
Source PublicationEngineering Geology
ISSN0013-7952
Volume199Pages:28-37
Abstract

Determination of the uniaxial compressive strength (UCS) of rocks is an important task for rock and geotechnical engineering applications. Direct measurement is expensive, time consuming and even infeasible in some circumstances due to the difficulty in obtaining core samples. Therefore, empirical models are particularly favorable to engineers especially in the preliminary design stage. However, there is a lack of predictive UCS model for granite of weathering Grade III but it is well recognized to be crucial to the design of pile foundations on granitic bedrocks. In this study, a reliable predictive model will be developed under the Bayesian framework. An extensive experimental program was performed in this study to construct a comprehensive database of the measurements of uniaxial compressive strength, point load index, Schmidt rebound hammer value, P-wave velocity, effective porosity, specific gravity and dry density. It has been proven that the proposed model possesses satisfactory predictive performance.

KeywordBayesian Analysis Predictive Model Grade Iii Granites Uniaxial Compressive Strength
DOI10.1016/j.enggeo.2015.10.008
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaEngineering ; Geology
WOS SubjectEngineering, Geological ; Geosciences, Multidisciplinary
WOS IDWOS:000366883600004
PublisherELSEVIER, RADARWEG 29, 1043 NX AMSTERDAM, NETHERLANDS
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Cited Times [WOS]:25   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionFaculty of Science and Technology
Corresponding AuthorIok-Tong Ng
AffiliationDept. of Civil and Environmental Engineering, Faculty of Science and Technology, University of Macau, Macao SAR, China
First Author AffilicationFaculty of Science and Technology
Corresponding Author AffilicationFaculty of Science and Technology
Recommended Citation
GB/T 7714
Iok-Tong Ng,Ka-Veng Yuen,Chi-Hou Lau. Predictive model for uniaxial compressive strength for Grade III granitic rocks from Macao[J]. Engineering Geology,2015,199:28-37.
APA Iok-Tong Ng,Ka-Veng Yuen,&Chi-Hou Lau.(2015).Predictive model for uniaxial compressive strength for Grade III granitic rocks from Macao.Engineering Geology,199,28-37.
MLA Iok-Tong Ng,et al."Predictive model for uniaxial compressive strength for Grade III granitic rocks from Macao".Engineering Geology 199(2015):28-37.
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