Liquefaction resistance of TP-Lisbon sand: a critical state interpretation using in situ and laboratory testing

A Viana da Fonseca, F Molina-Gómez… - Bulletin of Earthquake …, 2023 - Springer
This paper describes a comprehensive characterisation of liquefaction resistance of a sandy
soil collected from the 'Terreiro do Paço'in the historical centre of Lisbon (Portugal) …

A novel soil liquefaction prediction model with intellectual feature extraction and classification

NDK Reddy, AK Gupta, AK Sahu - Advances in Engineering Software, 2022 - Elsevier
This paper introduced a novel soil liquefaction prediction model with proposed features.
Initially, pre-processing was carried out and then diverse improved features (chi-square …

Analytical solutions for piles' lateral deformations: The nonlinear stiffness case

R Cucuzza, G Devillanova, A Aloisio, MM Rosso… - International Journal of …, 2022 - Elsevier
Abstract Design of piles under lateral loads requires accurate estimation of the pile
deflections. The Winkler beam model is the most popular mechanical model for piles …

Technical guidelines for the assessment of earthquake induced liquefaction hazard at urban scale

CG Lai, F Bozzoni, D Conca, A Famà… - Bulletin of Earthquake …, 2021 - Springer
Microzonation for earthquake-induced liquefaction hazard is the subdivision of a territory at
a municipal or submunicipal scale in areas characterized by the same probability of …

Dynamic properties of two historically liquefiable sands in the Lisbon area

F Molina-Gómez, AV da Fonseca, C Ferreira… - Soil Dynamics and …, 2020 - Elsevier
The stiffness properties of soils, particularly shear modulus and damping ratio, play a
fundamental role in predicting the ground deformation during cyclic and dynamic loading …

[HTML][HTML] Liquefaction assessment based on numerical simulations and simplified methods: A deep soil deposit case study in the Greater Lisbon

J Quintero, RC Gomes, S Rios, C Ferreira… - Soil Dynamics and …, 2023 - Elsevier
The accurate estimation of earthquake-induced liquefaction damage requires detailed
ground response analysis, which does not generally consider liquefaction. This paper …

[HTML][HTML] Key geomechanical properties of the historically liquefiable TP-Lisbon sand

F Molina-Gomez, AV da Fonseca - Soils and Foundations, 2021 - Elsevier
The intrinsic properties of sands have a strong influence on the behaviour of these soils.
Therefore, particle shape and granular packing can provide relevant insights into the …

Defining the soil stratigraphy from seismic piezocone data: A clustering approach

F Molina-Gómez, AV da Fonseca, C Ferreira… - Engineering …, 2021 - Elsevier
The geotechnical ground investigation involves several testing techniques. Within such
techniques, the Piezocone Penetration Test with seismic wave measurements (SCPTu) is …

Optimized ensemble-classification for prediction of soil liquefaction with improved features

NDK Reddy, AK Gupta, AK Sahu - Multimedia Tools and Applications, 2023 - Springer
The occurrence of soil liquefaction is an interesting and complicated field in the geotechnical
earthquake, which has attained the consideration of a lot of analysts in current years …

Small-strain stiffness of liquefiable sands: A comparison between bender elements and resonant-column tests

F Molina-Gomez, AV da Fonseca… - E3S Web of …, 2024 - e3s-conferences.org
Soil stiffness can be estimated by geophysical and dynamic testing methods. In the
laboratory, the most common methods to measure the small-strain stiffness are the bender …