SLOPE STABILISATION USING GEOSYNTHETICS

The article discusses some applications of reinforced soil techniques, using structural geogrids, to improve the stability of relatively steep slopes. These techniques are now widely used in highway and transport projects, and are especially valuable in motorway widening schemes, where the available land corridor is limited. Their advantages include cost-effectiveness, ease of construction, versatility and proven performance. Geosynthetics are used mainly to solve such problem areas for slopes as erosion control of their surfaces and reinforcing the soil mass to ensure its structural stability. Geomats are used to improve erosion control; once installed on a slope surface, they provide a mechanically stabilised topsoil layer. Computer programs allow the rapid calculation of rigorous designs, and enable the reinforcement layout to be refined to minimise the total cost of a stable solution. The article describes reinforcement for slopes with batters: (1) less than 45 degrees; (2) between 45 and 70 degrees; and (3) more than 70 degrees.

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  • Corporate Authors:

    INSTITUTION OF HIGHWAYS & TRANSPORTATION

    6 ENDSLEIGH STREET
    LONDON,   United Kingdom  WC1H 0DZ
  • Authors:
    • Dixon, J H
  • Publication Date: 1996-4

Language

  • English

Media Info

  • Features: References;
  • Pagination: p. 9,11-2
  • Serial:

Subject/Index Terms

Filing Info

  • Accession Number: 00725465
  • Record Type: Publication
  • Source Agency: Transport Research Laboratory
  • Files: ITRD, ATRI
  • Created Date: Sep 26 1996 12:00AM