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Type: Journal article
Title: A method for generating virtual soil profiles with complex, multi-layer stratigraphy
Author: Crisp, M.
Jaksa, M.
Kuo, Y.
Fenton, G.
Griffiths, D.
Citation: Georisk, 2019; 13(2):154-163
Publisher: Taylor & Francis
Issue Date: 2019
ISSN: 1749-9518
Statement of
M. P. Crisp, M. B. Jaks, Y. L. Kuo, G. A. Fenton and D. V. Griffiths
Abstract: This paper presents a framework for generating multi-layer, unconditional soil profiles with complex stratigraphy, which simulates the effects of natural erosion and sedimentation processes. The stratigraphy can have varying degrees of randomness and can include features such as lenses, as well as sloped and undulating layers. The method generates the soil comprising the layers using local average subdivision (LAS), and a random noise component that is added to the layer boundaries. The layers are created by generating coordinates of key points in the simulated ground profile, which are then interpolated with a customised, 2D, linear interpolation algorithm. The resulting simulations facilitate more accurate probabilistic modelling of geotechnical engineering systems because they provide more realistic geologies, such as those usually encountered in the ground. Fortran code implementing this framework is included as supplementary material.
Keywords: Spatial variability; layer generation; random field theory
Rights: © 2018 Informa UK Limited, trading as Taylor & Francis Group.
RMID: 0030105962
DOI: 10.1080/17499518.2018.1554817
Appears in Collections:Civil and Environmental Engineering publications

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