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Publications tagged with [hydraulic conductivity]

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<p>The transport of contaminants has been a problematic issue for many years, mainly due to the adverse impact of the contaminants on the quality of groundwater. In order to analyse this, this study has developed a prediction model that allows the early detection ...
Reference: Journal of Civil & Environmental Engineering 2014, Volume 4, Issue 2
The dam body and foundation seepage is one of the important points in design parameters. This index is related to the permeability. Therefore permeability is one of the basic parameter in design grout curtain, prevent water escape from foundation and avoid ...
Reference: EJGE Vol. 17 [2012], Bund. T
A new centrifuge permeameter was developed with the specific objective of expediting the measurement of the hydraulic characteristics of unsaturated soils. The development, theoretical basis, and typical results associated with using the centrifuge permeameter ...
Reference: Journal of Geotechnical and Geotechnical Engineering, ASCE, Vol. 136, No. 8, August, 2010
This paper presents the hydraulic characteristics of an unsaturated, compacted clay, including its soil-water retention curve SWRC and hydraulic conductivity function K function , determined using a new centrifuge permeameter developed at the University ...
Reference: Journal of Geotechnical and Geotechnical Engineering, ASCE, Vol. 136, No. 8, August, 2010
This paper provides theoretical background, laboratory data and full-scale measurements useful in understanding the interaction between soils and geosynthetics under unsaturated conditions. It also includes an evaluation of the current state of knowledge regarding ...
Reference: Geosynthetics International, October, 2010, Vol. 17, No. 5
The objective of this paper is to examine the influence of correlation length and hydraulic conductivity distribution on the probability of failure of a clay liner system. To achieve this objective, a two-dimensional (in plan) clayey liner system is simulated ...
Reference: GeoHalifax2009 / GéoHalifax2009
<p>In this study, we are interested in the influence of a realistic geometry of the fracture on its hydraulic permeability. The morphology of fresh fractures is sampled and compared to a geometrical model that can be used in numerical codes for the fluid flow.</p ...
Reference: International Journal of Rock Mechanics & Mining Sciences 45 (2008) 422-430
<p>Nine issues of importance to the use of geomembranes (GMs) and geosynthetic clay liners (GCLs) as part of composite liners in geoenvironmental applications are examined. These issues include the effect of: GCL-leachate compatibility on hydraulic conductivity; ...
Reference: Soils and Rocks, São Paulo, 30(1): 3-30, January-April, 2007
The unsaturated hydraulic characterisation of nonwoven geotextiles presented in this paper shows that they only require suctions between 0.8 kPa and 1.2 kPa to induce a rapid drop, of several orders of magnitude, in hydraulic conductivity. This implies that ...
Reference: Australian Geomechanics Journal, September, 2006, Vol. 41, No. 3
<p>An alternative procedure to determine the hydraulic conductivity function (k-function) based on relationships between saturated hydraulic conductivity and void ratio and between air-entry value and void ratio is proposed. The procedure was applied to determine ...
Reference: ASTM Geotechnical Testing Journal, November, 2004, Vol. 27, No. 6