Dr Daniel Barreto Gonzalez D.Barreto@napier.ac.uk
Lecturer T&S
Grading entropy coordinates and criteria for evaluation of liquefaction potential
Barreto Gonzalez, Daniel; Leak, J.; Dimitriadi, V.; McDougall, J.; Imre, E.; L?rincz, J.
Authors
Dr James Leak J.Leak@napier.ac.uk
University Tutor
Dr Vicky Dimitriadi V.Dimitriadi@napier.ac.uk
Lecturer
Dr John McDougall J.McDougall@napier.ac.uk
Reader
E. Imre
J. L?rincz
Abstract
Several methods are commonly used for the evaluation of liquefaction potential in soils. These include criteria based on SPT and CPT tests, shear wave velocity measurements and gradation limits, amongst others. This study applies the concept of grading entropy coordinates that enables plotting any particle size distribution (PSD) as a single coordinate pair in a Cartesian plane, whilst also considering the entire range of the grading curve. This is in contrast to descriptors such as the mean particle diameter (d50) and the coefficients of uniformity and curvature, cu and cc, respectively, which ignore the fines content as well as the presence of coarser particles within the PSD. Considering 62 gradings identified as liquefiable soils in existing studies it was demonstrated that the grading entropy coordinates are a potentially effective tool to assess liquefaction potential. Furthermore, it was postulated that existing internal stability criteria in terms concept of grading entropy coordinates may also be used as a framework for the evaluation of liquefaction potential.
Citation
Barreto Gonzalez, D., Leak, J., Dimitriadi, V., McDougall, J., Imre, E., & Lőrincz, J. (2019). Grading entropy coordinates and criteria for evaluation of liquefaction potential. In Earthquake Geotechnical Engineering for Protection and Development of Environment and Constructions (1346-1353). https://doi.org/10.1201/9780429031274
Conference Name | 7th International Conference on Earthquake Geotechnical Engineering |
---|---|
Conference Location | Rome, Italy |
Start Date | Jun 17, 2019 |
End Date | Jun 20, 2019 |
Acceptance Date | May 10, 2019 |
Online Publication Date | Oct 22, 2019 |
Publication Date | 2019 |
Deposit Date | Nov 11, 2019 |
Publicly Available Date | Oct 23, 2020 |
Publisher | CRC Press |
Pages | 1346-1353 |
Book Title | Earthquake Geotechnical Engineering for Protection and Development of Environment and Constructions |
ISBN | 9780429031274 |
DOI | https://doi.org/10.1201/9780429031274 |
Public URL | http://researchrepository.napier.ac.uk/Output/2310762 |
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Grading Entropy Coordinates And Criteria For Evaluation Of Liquefaction Potential
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Technical Information
This is an Accepted Manuscript of a conference proceeding published by CRC Press in 'Earthquake Geotechnical Engineering for Protection and Development of Environment and Constructions' on 22 October 2019, available online: https://www.taylorfrancis.com/books/9780429031274
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