Laboratory and theoretical investigations on the deformation and strength behaviors of artificial frozen soil

Y Yang, Y Lai, X Chang - Cold regions science and technology, 2010 - Elsevier
In order to study the mechanical characteristic of artificial frozen soils, such as strength, and
stress–strain relationship, a series of triaxial compression tests of frozen sand has been …

Research on visco-elastic-plastic creep model of artificially frozen soil under high confining pressures

DW Li, JH Fan, RH Wang - Cold Regions Science and Technology, 2011 - Elsevier
The triaxial creep experiment of artificially frozen soil in deep alluvium was performed by a
self-developed machine of triaxial creep frozen soil. After analyzing the experiment results …

A meso-macroscopic constitutive model of frozen saline sandy soil based on homogenization theory

D Chang, Y Lai, M Zhang - International Journal of Mechanical Sciences, 2019 - Elsevier
As an effective multiscale method, homogenization theory is widely applied to the composite
material research field. The saturated frozen saline sandy soil can be regarded as a typical …

Laboratory investigation on the strength characteristic of frozen sand considering effect of confining pressure

Y Yang, Y Lai, J Li - Cold regions science and technology, 2010 - Elsevier
This paper presents the experimental investigations on the strength of frozen sand by
conducting the triaxial compressive tests under confining pressures varying from 0.0 to 18.0 …

Experimental and theoretical investigations on the mechanical behavior of frozen silt

Y Yugui, G Feng, L Yuanming, C Hongmei - Cold Regions Science and …, 2016 - Elsevier
The mechanical properties of frozen soil are complicated due to their complex components
and sensitivity to temperature, water content and pressure. This study conducts triaxial …

The strength criterion and elastoplastic constitutive model of frozen soil under high confining pressures

Y Yang, Y Lai, Y Dong, S Li - Cold regions science and technology, 2010 - Elsevier
A series of triaxial compressive tests of frozen soil has been conducted at a temperature of−
6° C under high confining pressures. The results verify that the strength of frozen soil …

An investigation on the constitutive response of frozen saline coarse sandy soil based on particle breakage and plastic shear mechanisms

D Chang, Y Lai, J Gao - Cold Regions Science and Technology, 2019 - Elsevier
The particle breakage has significant influence on the mechanical properties of
geomaterials during loading process. Considerable particle breakage commonly occurs for …

Modified Hoek–Brown criterion for nonlinear strength of frozen soil

Y Yang, F Gao, Y Lai - Cold Regions Science and Technology, 2013 - Elsevier
The strength of frozen soil presents obvious nonlinearity, which makes many theoretical
criteria unable to accurately predict failure. The Hoek–Brown criterion, which is one of the …

Experimental study on freezing point of saline soft clay after freeze-thaw cycling

S Wang, Q Wang, J Qi, F Liu - Geomechanics & engineering, 2018 - dbpia.co.kr
The brine leakage is a tough problem in artificial freezing engineering. This paper takes the
common soft clay in Wujiang District as the study object, and calcium chloride solutions with …

Giant polygons and circular graben in western Utopia basin, Mars: Exploring possible formation mechanisms

DL Buczkowski, KD Seelos… - Journal of Geophysical …, 2012 - search.proquest.com
Large-scale fracture systems surrounding the Utopia basin include giant polygons and
circular graben. Data covering the northern Utopia basin now allow high-resolution mapping …