Insights into the assessment and interpretation of earthquake-induced liquefaction in sands under different degrees of saturation

F Molina-Gómez, AV da Fonseca, C Ferreira… - Earth-Science …, 2024 - Elsevier
Earthquake-induced liquefaction is a prominent and impactful natural hazard responsible for
substantial economic losses worldwide. Hence, engineers and researchers are currently …

Partial saturation as a liquefaction countermeasure: a review

SM Seyedi-Viand, EE Eseller-Bayat - Geotechnical and Geological …, 2022 - Springer
The liquefaction or softening of the soils and the potential vulnerability of existing buildings
on liquefiable soils continue to be of major concern to the public because it has repeatedly …

Liquefaction mitigation of sands with nonplastic fines via microbial-induced partial saturation

S Mousavi, M Ghayoomi - Journal of Geotechnical and …, 2021 - ascelibrary.org
A review of liquefaction case histories shows that sand deposits containing some fines were
common in past liquefaction events. While current liquefaction mitigation measures are …

Cyclic triaxial test to measure strain-dependent shear modulus of unsaturated sand

M Ghayoomi, G Suprunenko… - International Journal of …, 2017 - ascelibrary.org
Dynamic shear modulus plays an important role in the seismic assessment of geotechnical
systems. Changes in the degree of water saturation influence dynamic soil properties …

Temperature-dependent model for small-strain shear modulus of unsaturated soils

F Vahedifard, SK Thota, TD Cao… - … of Geotechnical and …, 2020 - ascelibrary.org
Near-surface soils in geotechnical and geoenvironmental applications are often
unsaturated, and natural or imposed changes in temperature may lead to a softening effect …

[HTML][HTML] Impact of hydraulic hysteresis on the small strain shear modulus of unsaturated sand

A Khosravi, P Shahbazan, A Pak - Soils and Foundations, 2018 - Elsevier
The results of previous studies on silt and clay indicated that variations in the small strain
shear modulus, G max, during hydraulic hysteresis had a non-linear increasing trend with …

Centrifuge tests to assess seismic site response of partially saturated sand layers

M Mirshekari, M Ghayoomi - Soil Dynamics and Earthquake Engineering, 2017 - Elsevier
Seismic response of unsaturated soil layers may differ from that of saturated or dry soil
deposits. A set of centrifuge experiments was conducted to study the influence of partial …

Cyclic direct simple shear test to measure strain-dependent dynamic properties of unsaturated sand

KN Le, M Ghayoomi - Geotechnical Testing Journal, 2017 - asmedigitalcollection.asme.org
The dynamic properties of a clean sand under different degrees of saturation were
investigated using a modified custom built Direct Simple Shear (DSS) apparatus at the …

Analysis of unsaturated soil columns with application to bulk cargo liquefaction in ships

DW Airey, J Ghorbani - Computers and Geotechnics, 2021 - Elsevier
Over the last 40 years, there have been several ship losses carrying granular mineral ores
that are believed to have been caused by the sudden shifting of the cargo as a result of …

Undrained seismic compression of unsaturated sand

W Rong, JS McCartney - Journal of Geotechnical and …, 2021 - ascelibrary.org
Unsaturated soils in engineered geostructures like embankments or retaining walls may
experience seismic compression during earthquakes due to particle rearrangement …