Application of nanoindentation technology in rocks: a review

Z Ma, R Pathegama Gamage, C Zhang - Geomechanics and Geophysics …, 2020 - Springer
Nanoindentation has become an increasingly popular method to determine the mechanical
properties of both homogeneous and heterogeneous materials. Rocks are inherently …

An experimental investigation of the micromechanics of Eglin sand

V Nardelli, MR Coop, JE Andrade, F Paccagnella - Powder technology, 2017 - Elsevier
The mechanical behaviour of Eglin sand at the micro-scale was studied in this work.
Laboratory experiments using unconventional apparatuses were carried out in order to …

Determination of microscopic parameters of quartz sand through tri-axial test using the discrete element method

K Cheng, Y Wang, Q Yang, Y Mo, Y Guo - Computers and Geotechnics, 2017 - Elsevier
A calibration procedure, in which coupled effects of microscopic parameters are considered,
is proposed to determine the values of the microscopic parameters in the Discrete Element …

Particle-based characterization of Ottawa sand: Shape, size, mineralogy, and elastic moduli

ST Erdoğan, AM Forster, PE Stutzman… - Cement and concrete …, 2017 - Elsevier
The success of computational materials science models for cement and concrete, at the
micrometer-to-millimeter scale, is based on careful characterization of the two main starting …

Internal deformation measurement and force chain characterization of mason sand under confined compression using incremental digital volume correlation

Z Hu, Y Du, H Luo, B Zhong, H Lu - Experimental Mechanics, 2014 - Springer
The mechanical behavior of granular materials such as sand is not well understood due to
its complex solid/fluid-like behavior. In this paper, Mason sand was investigated to …

High-strain rate compressive behavior of glass beads under confinement

H Luo, Y Du, Z Hu, WL Cooper, H Lu - Experimental Mechanics, 2015 - Springer
Glass beads are often used to examine simulation models for granular materials. The
dynamic behavior of glass beads, however, has not been characterized accurately. In this …

Constitutive behavior of granular materials under high rate of uniaxial strain loading

H Luo, H Chen, R Zhang, Y Ren, B Zhang… - … in experimental impact …, 2022 - Elsevier
The uniaxial compressive behavior of Colorado Mason sand at high strain rates was
investigated on a split Hopkinson pressure bar. The sand grains were placed inside a …

Characterization of the mechanical behavior of colorado mason sand at grain-level by nanoindentation

T Xu, Y Du, H Luo, Z Hu, X Wang, L Guo, H Lu - Experimental Mechanics, 2018 - Springer
Colorado Mason sand has received increasing attention for use as a model granular
material for the investigation of the soil response under a blast. The grain-level mechanical …

High-strain rate compressive behavior of dry Mason sand under confinement

H Luo, Y Du, Z Hu, H Lu - Dynamic Behavior of Materials, Volume 1 …, 2015 - Springer
Uniaxial compressive behavior of Mason sand, a poorly-graded local sand supplied by
Colorado Materials (Longmont, CO), was investigated on a long split Hopkinson pressure …

Statistical distributions of the elastic moduli of particle aggregates at the mesoscale

G Pekmezi, D Littlefield, B Chareyre - International Journal of Impact …, 2020 - Elsevier
This study introduces an important development in the modeling of granular media. A
recently-developed real-time interface tracking algorithm for particle-based simulation …