2024
DOI: 10.3390/mining4010003
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Evaluation of Flow Liquefaction Susceptibility in Non-Plastic Silty Soils Using the Seismic Cone

Helena Paula Nierwinski,
Fernando Schnaid,
Edgar Odebrecht

Abstract: The state parameter allows the evaluation of the in situ state of soils, which can be particularly useful in tailings impoundments where flow liquefaction is the most common failure model. Positive state parameter values characterize a contractive response during shearing and, for non-plastic soils, can indicate flow liquefaction susceptibility. This paper presents a methodology to classify and estimate the state parameter (Ψ) for non-plastic silty soils based on seismic cone penetration measurements. The meth… Show more

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Cited by 2 publications
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“…Mine tailings are materials that mostly do not present plasticity, a fact that makes it difficult to extract undisturbed samples to conduct laboratory tests and estimate parameters, especially related to susceptibility to liquefaction and dam safety (Nierwinski et al, 2024). Therefore, field investigation into these materials is of crucial importance for determining the parameters that will be used in projects and for evaluating the site structural safety.…”
Section: Introductionmentioning
confidence: 99%
“…Mine tailings are materials that mostly do not present plasticity, a fact that makes it difficult to extract undisturbed samples to conduct laboratory tests and estimate parameters, especially related to susceptibility to liquefaction and dam safety (Nierwinski et al, 2024). Therefore, field investigation into these materials is of crucial importance for determining the parameters that will be used in projects and for evaluating the site structural safety.…”
Section: Introductionmentioning
confidence: 99%