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Microstructure-based estimation of unsaturated shear strength from simple evaporation test
Date
2023-08-01
Author
Kenanoğlu, M.B.
Toker, Nabi Kartal
Metadata
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The effect of microstructure on the hydromechanical behavior of unsaturated soils is an issue that is frequently addressed in literature. A simple procedure is proposed in this study to characterize the soil microstructure through evaporation tests. Time-series gravimetric water content data together with the drying rate curve of an evaporated soil specimen are used to reveal soil’s microstructural properties. The experimental output is used for calibrating the parameter for shear strength model proposed by Alonso et al. (2010). A test program consisting of constant suction and constant water content triaxial tests on various types of soils from non-plastic to highly plastic has been carried out. The shear strength of soils determined from the experiments is predicted with the shear strength model that is calibrated through evaporation tests on the same soils. The model predictions have matched the experimental results satisfactorily. The shear strength of the unsaturated soils is predicted from a quite simple experimental procedure.
Subject Keywords
Evaporation test
,
Microstructure
,
Shear strength
,
Unsaturated soils
URI
https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85165224051&origin=inward
https://hdl.handle.net/11511/104953
Journal
Bulletin of Engineering Geology and the Environment
DOI
https://doi.org/10.1007/s10064-023-03340-y
Collections
Department of Civil Engineering, Article
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BibTeX
M. B. Kenanoğlu and N. K. Toker, “Microstructure-based estimation of unsaturated shear strength from simple evaporation test,”
Bulletin of Engineering Geology and the Environment
, vol. 82, no. 8, pp. 0–0, 2023, Accessed: 00, 2023. [Online]. Available: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85165224051&origin=inward.