A comprehensive numerical investigation of multi-scale particle shape effects on small-strain stiffness of sands

JY Nie, Y Cui, G Wang, R Wang, N Zhang… - …, 2024 - icevirtuallibrary.com
The effects of multi-scale particle shape characteristics on the small-strain stiffness of
granular soils remain controversial. This study revisits this topic using well-calibrated three …

A binary packing material–based procedure for evaluating soil liquefaction triggering during earthquakes

G Chen, Q Wu, K Zhao, Z Shen… - Journal of Geotechnical …, 2020 - ascelibrary.org
This paper presents a new approach to assess the liquefaction triggering of saturated sandy
soils based on comprehensive laboratory datasets in conjunction with the concept of binary …

Shear wave velocity in sand: effect of grain shape

X Liu, J Yang - Géotechnique, 2018 - icevirtuallibrary.com
Whether the shear wave velocity in sand is dependent on grain shape is a basic question of
considerable interest, yet remains open owing to the lack of solid experimental evidence …

Experimental investigation of dynamic shear modulus of saturated marine coral sand

W Qi, L Qifei, Z Haiyang, X Chengshun, C Guoxing - Ocean Engineering, 2022 - Elsevier
Shear modulus is an essential parameter for deformation prediction and site response
analysis of geological problems. This paper considers the dynamic shear modulus …

Uncertainty quantification for granular materials with a stochastic discrete element method

DY Liu, MZ Lyu - Computers and Geotechnics, 2023 - Elsevier
Significant uncertainty exists in granular materials, as demonstrated by experimental and
simulation studies. Quantifying this uncertainty by integrating refined discrete element …

A unified formula for small-strain shear modulus of sandy soils based on extreme void ratios

K Liang, G Chen, X Du, C Xu, J Yang - Journal of Geotechnical and …, 2023 - ascelibrary.org
Small-strain shear modulus (G 0) is a fundamental property required in dynamic analyses.
For sandy soils, G 0 may be affected strongly by particle characteristics such as uniformity …

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 …

Stress–strain–strength behavior of geosynthetic reinforced rubber–sand mixtures

M Wu, F Liu, J Yang - Acta Geotechnica, 2023 - Springer
As a lightweight and energy-dissipating filler, rubber-sand mixture (RSM) is promising for a
wide range of applications in civil engineering. However, the shear strength of RSM …

The critical state behaviour of granular material in triaxial and direct simple shear condition: A DEM approach

HBK Nguyen, MM Rahman, A Fourie - Computers and Geotechnics, 2021 - Elsevier
The critical state (CS), the anchor concept in the critical state soil mechanics (CSSM)
framework, has been comprehensively evaluated in triaxial stress conditions, where all the …

Practical estimation of compression behavior of clayey/silty sands using equivalent void-ratio concept

XS Shi, J Zhao - Journal of Geotechnical and Geoenvironmental …, 2020 - ascelibrary.org
Clayey/silty sands are widespread as naturally sedimentary soils such as marine deposits in
estuaries and offshore locations. They belong to a unique class of gap-graded soils …