No. 22 (1990), Conference Proceedings
No. 22 (1990)

NEW CRITERIA FOR GRANULAR FILTERS AND GEOTEXTILE FILTERS UNDER REVETMENTS

Conference Proceedings
Published 1990-01-29
K.J. Bakker
Public Works Department
M. Klein Breteler
Delft Hydraulics
H. der Adel
Delft Geotechnics
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Keywords

granular filter
geotextile filter
revetment
revetment filter

How to Cite

NEW CRITERIA FOR GRANULAR FILTERS AND GEOTEXTILE FILTERS UNDER REVETMENTS. (1990). Coastal Engineering Proceedings, 1(22). https://doi.org/10.9753/icce.v22.%p
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Abstract

New criteria for the design of filters under revetments are introduced and verification tests are described. These criteria are based on a hydrodynamic limit instead of the usual geometric limit, assuming a similarity between the flow in open channels and flow in the pores at an interface between filter and base. First a theory was developed for a granular filter only, and later this theory was extended to include the influence of a geotextile. The verification experiments are outlined, and the applicability of the derived formulae is discussed.
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