Assessment of relationship between insitu modulus derived from DCP and LFWD testing

Lacey, David, Look, Burt and Williams, David (2013). Assessment of relationship between insitu modulus derived from DCP and LFWD testing. In: Yu-Jun Cui, Fabrice Emeriault, Fahd Cuira, Siavash Ghabezloo, Jean-Michel Pereira, Michael Reboul, Hugo Ravel and Anh Minh Tang, Proceedings of the 5th International Young Geotechnical Engineers' Conference: 5th iYGEC 2013. 5iYGEC’13: 5th International Young Geotechnical Engineers' Conference, Marne-la-Vallée, France, (379-382). 31 August-2 September, 2013. doi:10.3233/978-1-61499-297-4-379

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Author Lacey, David
Look, Burt
Williams, David
Title of paper Assessment of relationship between insitu modulus derived from DCP and LFWD testing
Conference name 5iYGEC’13: 5th International Young Geotechnical Engineers' Conference
Conference location Marne-la-Vallée, France
Conference dates 31 August-2 September, 2013
Proceedings title Proceedings of the 5th International Young Geotechnical Engineers' Conference: 5th iYGEC 2013
Series Advances in Soil Mechanics and Geotechnical Engineering
Place of Publication Amsterdam, Netherlands
Publisher IOS Press
Publication Year 2013
Sub-type Fully published paper
DOI 10.3233/978-1-61499-297-4-379
Open Access Status
ISBN 9781614992967
9781614992974
ISSN 2212-781X
2212-7828
Editor Yu-Jun Cui
Fabrice Emeriault
Fahd Cuira
Siavash Ghabezloo
Jean-Michel Pereira
Michael Reboul
Hugo Ravel
Anh Minh Tang
Volume 2
Start page 379
End page 382
Total pages 4
Collection year 2014
Language eng
Formatted Abstract/Summary
The quasi-static Light Falling Weight Deflectometer (LFWD) load test has been developed to directly estimate the modulus of a near surface profile. This paper considers the use of the LFWD as a geotechnical investigation and site profiling tool of near-surface profiles. The suitability of using the LFWD as such is discussed by comparison of the insitu modulus (ELFWD) determined by the LFWD with the results of Dynamic Cone Penetrometer (DCP) testing at three sites in South East Queensland, Australia. Analysis of the side-by-side testing indicates that the results of each test are related and thus the DCP penetration rate can be used to directly estimate the insitu modulus. This is confirmed by FEM modeling of the LFWD test in which a profile's response to the dynamic loading was found to vary over the identified zone of influence.
Q-Index Code E1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Conference Paper
Collections: School of Civil Engineering Publications
Official 2014 Collection
 
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Created: Thu, 20 Mar 2014, 11:30:42 EST by Julie Hunter on behalf of School of Civil Engineering