FILTRATION PROPERTIES OF GEOTEXTILE AND MINERAL FILTERS RELATED TO RIVER AND CANAL BANK PROTECTION

Filter applications in earthworks, foundation engineering and hydraulic structures use mineral and textile filters as competitive filter media. Although these filter media seem to be different, the article demonstrates similarities in operation and design criteria. Special attention is given to the soil-retention ability and therefore to the safety of filter operation, which is mainly influenced by the relative filter thickness (filtration length). River and canal banks erode in different ways due to various causes in which the nature of the in-situ soil and the loads imposed by waves and currents are the most important factors. The types and causes of failures of revetments are described and development from the initial use of single layer woven fabric to the current recommendations of the Federal Institute for Waterways Engineering (BAW), Karlsruhe, which involve the use of heavy multi-layer fabrics is traced. (TRRL)

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/issn/02661144
• Corporate Authors:

  Elsevier Science Publishers

  Crown House, Linton Road
  Barking, Essex IG11 8JU,   England 
• Authors:
  • HEERTEN, G
  • Wittmann, L
• Publication Date: 1985

Media Info

• Features: Figures; Photos; References; Tables;
• Pagination: p. 47-63
• Serial:
  • Geotextiles and Geomembranes
  • Volume: 2
  • Issue Number: 1
  • Publisher: Elsevier
  • ISSN: 0266-1144

Subject/Index Terms

• TRT Terms: Bank protection; Canals; Design; Earthwork; Filters; Foundation engineering; Geotextiles; Hydraulic structures; Thickness
• Uncontrolled Terms: Design criteria
• ITRD Terms: 9001: Behaviour; 3874: Control; 5275: Erosion; 7182: Filter; 4568: Geotextile; 4558: Nonwoven material; 5921: Permeability; 5938: Porosity; 5783: Slope stability; 4156: Soil; 4549: Woven material
• Subject Areas: Design; Geotechnology; Highways; Marine Transportation; Materials;

Filing Info

• Accession Number: 00458546
• Record Type: Publication
• Source Agency: Transport Research Laboratory
• Files: ITRD, TRIS
• Created Date: Oct 31 1986 12:00AM