Chapter
Jun 20, 2018
Strength and Stiffness Parameters of an Unsaturated Tropical Soil
Authors: Jeferson B. Fernandes [email protected], Breno P. Rocha [email protected], Roger A. Rodrigues, D.Sc. [email protected], and Heraldo L. Giacheti, D.Sc. [email protected]Author Affiliations
Publication: PanAm Unsaturated Soils 2017
Abstract
The interpretation of in-situ tests for site characterization of unsaturated tropical soil sites should consider both the spatial and the seasonal variability caused by the soil suction on the strength and stiffness parameters. This paper presents and discusses the suction-controlled and conventional triaxial with bender elements and in-situ tests data together with water content profiles, as well as soil water retention curves (SWRC) from an unsaturated tropical sandy soil site, to examine the influence of the soil suction on the strength and stiffness soil parameters. The results showed the influence of soil suction on the data interpretation of CPT and DMT to define strength and stiffness parameters for the top layer. This paper point out the importance of considering the seasonal variability caused by suction on the characterization of the study site.
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Published In
PanAm Unsaturated Soils 2017
Pages: 440 - 450
Copyright
© 2018 American Society of Civil Engineers.
History
Published online: Jun 20, 2018
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Affiliations
Dept. of Civil and Environmental Engineering, São Paulo State Univ., Brazil. E-mail: [email protected]
Dept. of Geotechnical Engineering, Univ. of São Paulo State, Brazil. E-mail: [email protected]
Associate Professor, Dept. of Civil and Environmental Engineering, São Paulo State Univ., Brazil. E-mail: [email protected]
Professor, Dept. of Civil and Environmental Engineering, São Paulo State Univ., Brazil. E-mail: [email protected]
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