Poisson's ratio characteristic curve of unsaturated soils

S Kumar Thota, T Duc Cao… - Journal of Geotechnical …, 2021‏ - ascelibrary.org
Poisson's ratio is an elastic property needed as input in a wide range of geotechnical
engineering applications. Despite experimental evidence, there is currently no model in the …

Design and implementation of sampling wells in phosphate mine waste rock piles: towards an enhanced composition understanding and sustainable reclamation

M El Ghorfi, O Inabi, H Amar, Y Taha, A Elghali… - Minerals, 2024‏ - mdpi.com
Establishing a circular economy in mining begins with a dedicated sampling strategy as its
fundamental phase. This specific approach is crucial for enhancing resource retrieval and …

Quantitative assessment of the influence of surface roughness on soil stiffness

M Otsubo, C O'sullivan, WW Sim, E Ibraim - Géotechnique, 2015‏ - icevirtuallibrary.com
The nature of soil stiffness at small strains remains poorly understood. The relationship
between soil stiffness (eg shear stiffness, G 0) and isotropic confining pressure (p′) can be …

Imperialist competitive algorithm hybridized with multilayer perceptron to predict the load-settlement of square footing on layered soils

H Moayedi, M Gör, LK Foong, M Bahiraei - Measurement, 2021‏ - Elsevier
To forecast the value of bearing capacity in shallow footings, a total of 2430 finite element
modelling (FEM) simulation is performed. In this regard and to optimize the performance of …

Elastic wave velocity monitoring as an emerging technique for rainfall-induced landslide prediction

Y Chen, M Irfan, T Uchimura, G Cheng, W Nie - Landslides, 2018‏ - Springer
Landslides are recurring phenomena causing damages to private property, public facilities,
and human lives. The need for an affordable instrumentation that can be used to provide an …

Interpretation of static and dynamic Young's moduli and Poisson's ratio of granular assemblies under shearing

Y Li, M Otsubo, R Kuwano - Computers and Geotechnics, 2022‏ - Elsevier
Young's modulus (E) and Poisson's ratio (v) of granular assemblies are two essential
mechanical properties. Measurements based on stress–strain relationships gives static …

Statistical distributions of wave velocities and elastic moduli in near-surface unsaturated soils

ODS Taylor, M Abdollahi, F Vahedifard - Soil Dynamics and Earthquake …, 2022‏ - Elsevier
The shear wave velocity (vs) and the compressional wave velocity (vp) are extensively used
to understand the near-surface geologic structure, derive small-strain elastic moduli of soils …

[HTML][HTML] Estimating multidirectional stiffness of soils using planar piezoelectric transducers in a large triaxial apparatus

TT Dutta, M Otsubo, R Kuwano, T Sato - Soils and Foundations, 2020‏ - Elsevier
Cohesionless granular soils display stiffness anisotropy, and accurately characterizing it is
essential for numerous geotechnical applications. The inherent anisotropic behaviour of …

[HTML][HTML] Integration and calibration of UBCSAND model for drained monotonic and cyclic triaxial compression of aggregates

E Voyagaki, T Kishida, RF Aldulaimi… - Soil Dynamics and …, 2023‏ - Elsevier
We report on results from triaxial drained monotonic and cyclic compression tests for four
different aggregates (gabbro, limestone, demolished concrete, steel slag), and discuss the …

Poisson's ratio of granular materials for Mohr-Coulomb elastoplastic model

C Fan, P Yang, L Li, R Wang, G Liu… - … Journal of Mining …, 2023‏ - Taylor & Francis
ABSTRACT The Mohr-Coulomb elastoplastic model is extensively employed in geotechnical
engineering. Despite the well-known nonlinear behaviour of granular cohesionless …