dilatancy


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dilatancy

[dī′lāt·ən·sē]
(chemistry)
The property of a viscous suspension which sets solid under the influence of pressure.
(geology)
Expansion of deformed masses of granular material, such as sand, due to rearrangement of the component grains.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

dilatancy

The expansion of cohesionless soils when subject to shearing deformation.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
The dilatancy angle, [psi], is positive in the case of dilative shearing, but this value is negative in the case of contractive shearing.
There is no Newtonian plateau at intermediate shear rates, nor dilatancy peak at higher shear rates.
5 that the volume strain depends on longitudinal strain rate, which implies that the dilatancy phenomena of volume deformation depend on longitudinal strain rate.
The strength and dilatancy of sands, Journal of Geotechnique 36(1): 65-78.
In the current research, it was exhibited that the parameters of soil cohesion and internal friction angle have the most influence on the hardening soil elastoplastic constitutive model and the dilatancy angle has the least influence.
Note that as the compressive stress approached the compressive strength, the specimen volume increased (dilatancy behavior) and the elastic wave velocity slightly decreased.
Extensional creep is generally in the oxidation environment due to extension and dilatancy, the porosity and permeability enhance.