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Bulletin of Engineering Geology and the Environment

Erschienen in:

01.08.2023 | Original Paper

Microstructure-based estimation of unsaturated shear strength from simple evaporation test

verfasst von: M. B. Kenanoğlu, N. K. Toker

Erschienen in: Bulletin of Engineering Geology and the Environment | Ausgabe 8/2023

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Abstract

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.

Vorheriger Artikel Mechanical behavior and tension-shear failure mechanism of fractured rock mass under uniaxial condition

Nächster Artikel 2D and 3D evaluation of joint roughness exposed by rock cores

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Titel: Microstructure-based estimation of unsaturated shear strength from simple evaporation test
verfasst von: M. B. Kenanoğlu
N. K. Toker
Publikationsdatum: 01.08.2023
Verlag: Springer Berlin Heidelberg
Erschienen in: Bulletin of Engineering Geology and the Environment / Ausgabe 8/2023
Print ISSN: 1435-9529
Elektronische ISSN: 1435-9537
DOI: https://doi.org/10.1007/s10064-023-03340-y

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