Experimental investigations on the shear strength and creep properties of soil-rock mixture under freeze-thaw cycles

P Qiu, L Tang, J Zheng, W Wang, Y Li, G Li, L Jin… - Cold Regions Science …, 2024 - Elsevier
The creep properties of soil-rock mixture (SRM) usually exhibit high variations after suffering
harsh field conditions in cold regions such as freeze-thaw cycles, which can easily trigger …

Traditional soil particle sphericity, roundness and surface roughness by computational geometry

J Zheng, RD Hryciw - Géotechnique, 2015 - icevirtuallibrary.com
Definitions of soil particle sphericity, roundness and roughness have existed since at least
the 1930s. In the 1950s, charts of typical sphericity and roundness values were developed to …

A review of two-dimensional image-based technologies for size and shape characterization of coarse-grained granular soils

L Gao, D Wang, Y Miao - Powder Technology, 2024 - Elsevier
Coarse-grained granular soils are critical construction and building materials. The particle
shape of granular soils significantly affects their macro mechanical properties. The particle …

Particle shape effects on the cyclic shear behaviour of the soil–geogrid interface

F Liu, M Ying, G Yuan, J Wang, Z Gao, J Ni - Geotextiles and …, 2021 - Elsevier
The accurate determination of the interface shear strength is essential in the design of
geosynthetic-reinforced soil structures. The particle geometries of three types of soil …

Particle roundness and sphericity from images of assemblies by chart estimates and computer methods

RD Hryciw, J Zheng, K Shetler - Journal of Geotechnical and …, 2016 - ascelibrary.org
Soil particle roundness (R) and sphericity (S) are two important intrinsic properties that
govern a soil's mechanical behavior. Although R and S have well-established mathematical …

Rotational failure of rubble-pile bodies: influences of shear and cohesive strengths

Y Zhang, DC Richardson, OS Barnouin… - The Astrophysical …, 2018 - iopscience.iop.org
The shear and cohesive strengths of a rubble-pile asteroid could influence the critical spin at
which the body fails and its subsequent evolution. We present results using a soft-sphere …

Roundness and sphericity of soil particles in assemblies by computational geometry

J Zheng, RD Hryciw - Journal of Computing in Civil Engineering, 2016 - ascelibrary.org
The use of computational geometry methods for determining soil roundness (R) and
sphericity (S) were evaluated and extended to particles segmented from images of three …

Index void ratios of sands from their intrinsic properties

J Zheng, RD Hryciw - Journal of Geotechnical and …, 2016 - ascelibrary.org
A comprehensive model for the index void ratios e max and e min of sands is presented. It is
based on a large set of previously published sand properties as well as tests on 25 new …

Fall cone tests on clay–sand mixtures

AF Cabalar, WS Mustafa - Engineering Geology, 2015 - Elsevier
Fall cone tests were performed on clay–sand mixtures to investigate the variation of liquid
limit with sand content and the link between undrained shear strength and water content for …

Direct shear behavior of a plane joint under dynamic normal load (DNL) conditions

W Dang, H Konietzky, T Frühwirt - Engineering Geology, 2016 - Elsevier
The effect of dynamic normal loading (DNL) on the direct shear behavior of a plane joint has
been first time investigated using a dynamic direct shear box device. Multi-stage normal …