PROPERTIES OF COATED FIBERGLASS GEOGRID

Fiberglass filament has been used for tensile strength applications for years. Fiberglass filament exhibits excellent tensile strength, modulus and creep resistance, but exhibits poor abrasion characteristics as demonstrated in the flex test, a manual test applied to individual yarns. Past uses for this fiber in textiles have been with coated or laminated scrims, where flexural resistance is not an in-service need. Use has been limited in geosynthetics because of difficulties in manufacturing, installation and in-service conditions. This paper presents a new category of coated fiberglass product with strength at very low strain and little creep strain, while exhibiting excellent resistance to installation and in-service stresses. The yarn discussed has been coated during yarn production but prior to use in manufacturing geogrids. Geogrid rib tensile strength and load-strain characteristics are presented and compared with several currently available reinforcement materials. Installation damage field trial results on the finished geogrids are also presented. Tensile creep and stress rupture test results are presented, along with the behavioral differences in this yarn when compared with conventional yarn and polymer types. Properties used to determine Long Term Design Strength (LTDS) reduction factors are presented and discussed, along with a summary of future work suggested to further define this new reinforcement material.

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/isbn/0935803084
• Corporate Authors:

  Industrial Fabrics Association International

  345 Cedar Building, Suite 450
  St Paul, MN  United States  55101-1088
• Authors:
  • Paulson, J
• Conference:
  • Geosynthetics '99: Specifying Geosynthetics and Developing Design Details
  • Location: Boston, Massachusetts, U.S.A.
  • Date: 1999-4-28 to 1999-4-30
• Publication Date: 1999

Language

• English

Media Info

• Features: Figures; References;
• Pagination: p. 1133-43

Subject/Index Terms

• TRT Terms: Abrasion; Coated materials; Creep; Design; Fiberglass; Geogrids; Geosynthetics; Installation; Material reinforcement; Properties of materials; Strength of materials; Stresses; Tensile strength
• Subject Areas: Design; Geotechnology; Highways; Maintenance and Preservation; Materials; I35: Miscellaneous Materials;

Filing Info

• Accession Number: 00795541
• Record Type: Publication
• ISBN: 0935803084
• Report/Paper Numbers: Volume 2
• Files: TRIS
• Created Date: Jul 26 2000 12:00AM