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Publications tagged with [drainage]

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All over the world, ballasted railway tracks form one of the major transportation networks designed to provide heavy haul freight and passenger traffic. However, large cyclic loading from heavy axle trains operating at high speeds often causes excessive deformation ...
Reference: The International Journal of Railway Technology, 1 (1), 195-219.
 
<p>Filters in embaknment dams are composed of specifically-designed entities (zones) of coarser-grained soils placed at specifically-targeted locations within or adjacent to the dam structure. Filters are designed and constructed to achieve specific goals ...
Reference: Best Practices for Design and Construction October 2011
This study examined the flood risk in Port Harcourt using rainfall data, soil texture and other factors.
Filed under: Geology -  Hydrogeology
Reference: Advances in Applied Science Research, 2011, 2 (6): 287-298
<p>Mechanically stabilized earth (MSE) walls reinforced by geogrids and geotextiles have seen a tremendous growth over the past thirty years. However, along with this growth has come numerous failures consisting of excessive deformation and, in some cases, ...
Reference: Journal of GeoEngineering, Vol. 6, No. 1, pp. 3-13, April 2011
Geosynthetics have become well established construction materials for geotechnical and environmental applications in most parts of the world. Because they constitute manufactured materials, new products and applications are developed on a routine basis to ...
Reference: Electronic Journal of Geotechnical Engineering, Vol. 13, Special Issue State of the Art in Geotechnical Engineering, December, 2008
In this paper the corresponding physical phenomena of liquefaction are briefly described. Among them are: compressibility of soil skeleton, dilation, contraction, elastic versus plastic deformation, interaction between pore water and soil skeleton, compressibility ...
Reference: JOURNAL OF WATERWAY, PORT, COASTAL, AND OCEAN ENGINEERING ASCE / JULY/AUGUST 2006
The focus of this paper is on applications (e.g. some leachate collection layers in landfills) where a drainage system consists of a geocomposite overlain by a sand layer. If the geocomposite does not have sufficient flow capacity to convey all the collected ...
Reference: Geosynthetics International, February, 2004, Vol. 11, No. 1
<p>Results from studies into long-term changes in soil pore and moisture characteristics on land restored after surface mining in the UK will be presented. Recolonisation of soils by earthworms is a key factor in developing a new macro-pore system but in its ...
Reference: ISCO 2004 - 13th International Soil Conservation Organisation Conference – Brisbane, July 2004
<p>In this study is studied experimentally and numerically slow drainage of a non-wetting fluid in a saturated fracture.</p>
Reference: Transport in Porous Media 50: 267?305, 2003.
The paper provides equations for the hydraulic design of liquid collection layers. A first series of equeations gives the maximum thickness of the liquid collected in a liquid collection layer. These equations are used in design to check that the maximum liquid ...
Reference: Geosynthetics International, Special Issue on Liquid Collection Systems, Vol. 7, Nos. 4-6, 2000