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Geotextile filter systems

After the test, the permeabihty of the geotextile normal to the plane, the permeability of the soil—geotextile filtering system, clogging, and blinding levels are evaluated. [Pg.167]

Rohde, J. R. Gribb, M. M. 1990. Biological and Particulate Clogging of Geotextile/Soil Filter Systems. In Koerner, M. (ed.) Geosynthetic Testing for Waste Containment Applications. ASTM STP 1081, American Society for Testing and Materials, Philadelphia, 299-312. [Pg.142]

The permeability criterion of the filter system refers to the capacity of the geotextile filter to guarantee free liquid flow across the filter s plane. For this function, geotextile cross-plane permeability or permittivity is necessary for the design, and sometimes also thickness and porosity. [Pg.164]

Faure, Y., Gourc, J.P., Brochier, P., RoUin, A., 1986. Soil-geotextile interaction in filter systems. In Proc. of the 3rd International Conference on Geotextiles, Wien, Austria, vol. II, 671-676. [Pg.175]

Koemer, G.R., Koemer, R.M., Martin, J.P., 1994. Geotextile filters used for leachate collection systems testing, design and field behavior. Journal of Geotechnical Engineering Division, ASCE 120 (10), 1792-1803. [Pg.236]

In applying a scour protection system as part of the monopile installation (Fig. 20.39), a geotextile filter and stone protection layer are first placed on the seabed to the required horizontal extent to prevent future scour. Then the monopile is driven through the stone layer (and geotextile) and into the seabed to the necessary depth. Finally, an armour protection layer is placed on top of the stone layer around the base of the monopUe. [Pg.476]

Filter layers, frost penetration, and cap-liner connections are other factors to consider in designing the closure system for a hazardous waste landfill. Before using geotextiles for filter layers in closures, one should conduct pressure tests and clogging tests on the material. Freeze-thaw cycles probably have little effect on membranes, but their impact on clay is still not known. Because of this lack of knowledge, membrane and clay layers should be placed below the frost penetration layer. Finally, a cap membrane should not be welded to the primary FML. Differential settlement in the cap can put tension on the cap membrane. In such a situation, the seam could separate and increase the potential for integration of the surface water collection system into the LDS. [Pg.1146]


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See also in sourсe #XX -- [ Pg.541 ]

See also in sourсe #XX -- [ Pg.541 ]




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