Numerical and experimental study of initiation and propagation of desiccation cracks in clayey soils

Journal article

Levatti, HU, Prat, PC and Ledesma, A (2019). Numerical and experimental study of initiation and propagation of desiccation cracks in clayey soils. Computers and Geotechnics. 105, pp. 155-167. https://doi.org/10.1016/j.compgeo.2018.09.015
AuthorsLevatti, HU, Prat, PC and Ledesma, A
Abstract

This paper presents the fundamentals and the mathematical formulation to study desiccation cracking in soils based on Unsaturated Soil Mechanics as well as a numerical analysis of a previous desiccation test program. The numerical approach implemented in MATLAB is used in 2D simulations on radial sections of the cylindrical specimens and in a theoretical study of the stress field in plane strain conditions. The numerical analysis, based on two stress stare variables (total net stress and suction) is consistent and in good agreement with the experimental results, including the location of cracks and time of crack initiation.

Keywords0905 Civil Engineering; 0914 Resources Engineering And Extractive Metallurgy; 0915 Interdisciplinary Engineering; Geological & Geomatics Engineering
Year2019
JournalComputers and Geotechnics
Journal citation105, pp. 155-167
PublisherElsevier
ISSN0266-352X
Digital Object Identifier (DOI)https://doi.org/10.1016/j.compgeo.2018.09.015
Web address (URL)https://www.sciencedirect.com/science/article/pii/S0266352X18302404
Publication dates
Print13 Oct 2019
Publication process dates
Deposited29 Sep 2018
Accepted24 Sep 2018
Accepted author manuscript
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Open
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