Effect of particle shape on the mechanical behavior of natural sands

FN Altuhafi, MR Coop… - Journal of Geotechnical …, 2016 - ascelibrary.org
A database of the mechanical behavior of 25 natural sands was compiled from the existing
literature. Particle shape and size analysis, obtained by dynamic imaging analysis, for each …

Response of granular media to rapid penetration

M Omidvar, M Iskander, S Bless - International Journal of Impact …, 2014 - Elsevier
There has been a flurry of interest over the past decade in the study of impact and
penetration into granular media. A wealth of knowledge has resulted from these efforts. This …

Exploring the relationship between critical state and particle shape for granular materials

J Yang, XD Luo - Journal of the Mechanics and Physics of Solids, 2015 - Elsevier
The relationship between critical state and particle shape corresponds to the most
fundamental aspect of the mechanics of granular materials. This paper presents an …

An investigation of single sand particle fracture using X-ray micro-tomography

B Zhao, J Wang, MR Coop, G Viggiani… - Géotechnique, 2015 - icevirtuallibrary.com
Particle breakage is of fundamental importance for understanding the mechanical behaviour
of sands and is relevant to many geotechnical engineering problems. In order to gain new …

3D quantitative shape analysis on form, roundness, and compactness with μCT

B Zhao, J Wang - Powder technology, 2016 - Elsevier
Particle shape plays an important role in determining the engineering behaviour of granular
materials. In this regard, characterisation and quantification of particle shape are essential …

Analysis of an image-based method to quantify the size and shape of sand particles

F Altuhafi, C O'Sullivan, I Cavarretta - Journal of Geotechnical and …, 2013 - ascelibrary.org
Sand response depends on particle morphology (size and shape). In geotechnical research
and practice, size is typically assessed by sieve analysis and particle shapes are …

Changes to particle characteristics associated with the compression of sands

FN Altuhafi, MR COOP - Géotechnique, 2011 - icevirtuallibrary.com
It is commonly accepted that the onset of particle breakage in sands during compression
marks the start of yielding. Although particle breakage is strongly associated with the tensile …

Collapse of loose sand with the addition of fines: the role of particle shape

J Yang, LM Wei - Géotechnique, 2012 - icevirtuallibrary.com
This paper describes a fundamental study to explore the role of particle shape in the shear
behaviour of mixtures of sand and fine particles (fines) through macro-scale and grain-scale …

Effect of particle shape on the liquefaction resistance of calcareous sands

S Rui, Z Guo, T Si, Y Li - Soil Dynamics and Earthquake Engineering, 2020 - Elsevier
The irregular particle shape is the significant feature of calcareous sands. It is known that
calcareous sands generally show a higher liquefaction resistance than that of quartz sands …

An investigation of breakage behaviour of single sand particles using a high-speed microscope camera

W Wang, MR Coop - Géotechnique, 2016 - icevirtuallibrary.com
Much research has focused on the micro-mechanics of sand particles. The single particle
uniaxial compression test is a common way to study breakage behaviour. However, there is …