Static and cyclic liquefaction of copper mine tailings

L Vergaray, J Macedo, C Arnold - Journal of Geotechnical and …, 2023 - ascelibrary.org
Motivated by recent failures of tailings storage facilities (TSFs) around the globe, the tailings
community is actively working to better understand the mechanical behavior of mine tailings …

Coupled hydromechanical modelling of cone penetration in layered liquefiable soils

K Boschi, M Arroyo, L Monforte, JM Carbonell… - …, 2024 - icevirtuallibrary.com
Soil layering modifies cone penetration measurements when the cone is close to layer
boundaries. Transition zone and thin-layer effects appear, complicating interpretation. To …

Prediction of static liquefaction susceptibility of sands containing plastic fines using machine learning techniques

S Talamkhani, SA Naeini, A Ardakani - Geotechnical and Geological …, 2023 - Springer
This study presents a comprehensive analysis of the capability of machine learning
techniques in estimating the static liquefaction of sands containing plastic fines. In this …

Dynamic effective stress analysis of a centreline tailings dam under subduction earthquakes

J Macedo, P Torres, L Vergaray… - Proceedings of the …, 2022 - icevirtuallibrary.com
A case study was conducted to evaluate the seismic performance of a centreline tailings
dam in the South American Andes through dynamic effective stress analyses with advanced …

State-based assessment of cyclic liquefaction manifestation

J Macedo, L Vergaray - Soil Dynamics and Earthquake Engineering, 2024 - Elsevier
This study assesses the robustness of a framework based on critical state soil mechanics
(CSSM) principles in evaluating earthquake-induced liquefaction manifestation. The …

[HTML][HTML] Comparison of a tailings material and a natural sand in seismic site response analyses

D Solans, S Kontoe, L Zdravković - Soil Dynamics and Earthquake …, 2023 - Elsevier
This article investigates the seismic response of a tailings sand material in the context of site
response analysis. The computed response is contrasted with that obtained for an …

Enhanced method of slices with experimental evidence for predicting static liquefaction on tailings dams

X Lü, S Zeng, X Liu, M Weng, Y Shao, Y Li - Bulletin of Engineering …, 2024 - Springer
Saturated tailings deposits in the upstream dam are at risk of static liquefaction due to
elevated porewater pressure levels. The concept of a potential static liquefaction zone was …

A novel experimental database on the cyclic response of mine tailings

C Arnold, J Macedo - Earthquake Spectra, 2024 - journals.sagepub.com
Understanding the cyclic response of mine tailings is key for areas with moderate to high
seismicity and an active mining industry (eg the United States, Peru, and Chile). However …

[HTML][HTML] Geotechnical characterization of collapsible salty sands subjected to monotonic and cyclic loadings–A case study for areas with high seismicity

J Macedo, G Sotelo, S Orellana, L Vergaray, F Liu… - Soils and …, 2023 - Elsevier
Collapsible soils are typically found in arid regions and often have an aeolian or alluvial
origin. In their natural states, they may have a low moisture content and cemented structure …

A relation between undrained CPTu results and the state parameter for liquefiable soils

L Monforte, M Arroyo, A Gens - Canadian Geotechnical Journal, 2023 - cdnsciencepub.com
This paper presents a new interpretation procedure to estimate the initial state parameter
from cone penetration testing (CPTu) in undrained conditions based on the results from a …