THE INFLUENCE OF TEST PARAMETERS AND PROCEDURES ON THE TENSILE MODULUS OF STIFF GEOGRIDS

This paper presents the results and observations from an inter- laboratory study that determined tensile modulus of stiff polypropylene geogrids. Various test parameters and procedures affecting the measured results and their potential relevance to field performance were studied. These included: a) temperature; b) gauge length; c) strain measuring location and equipment; d) machine type; and e) strain rate. Conclusions and guidelines are provided, and recommendations are made for modifications to current test methods when tensile modulus at low strains is of particular interest. The test instruments used for the single rib tensile tests included: a) an Instron Model 1331 serro- hydraulic testing instrument; and b) a United Model TM-10 screw driven tesing instrument. An external strain transducer (extensometer) was also used for some tests. For the covering abstract see IRRD 860243.

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/isbn/0803118856
• Corporate Authors:

  American Society for Testing and Materials (ASTM)

  100 Barr Harbor Drive, P.O. Box C700
  West Conshohocken, PA  United States  19428-2957
• Authors:
  • Austin, D N
  • WU, K J
  • WHITE, D F
• Conference:
  • GEOSYNTHETIC SOIL REINFORCEMENT TESTING PROCEDURES. PAPERS PRESENTED AT A SYMPOSIUM HELD ON 19 JANUARY 1993 IN SAN ANTONIO, TEXAS, EDITED BY SCJ CHENG. (SPECIAL TECHNICAL PUBLICATION (STP) 1190)
• Publication Date: 1993

Language

• English

Media Info

• Features: References;
• Pagination: p. 90-110
• Serial:
  • Volume: 1190

Subject/Index Terms

• TRT Terms: Conferences; Deformation; Durability; Geotextiles; Lattices; Material reinforcement; Mechanically stabilized earth; Reinforcing materials; Strain gages; Strength of materials; Stresses; Test procedures
• ITRD Terms: 8525: Conference; 5595: Deformation; 5910: Durability; 4568: Geotextile; 3463: Lattice; 3349: Reinforced earth; 3471: Reinforcement (in mater); 5562: Strain gauge; 5544: Strength (mater); 5575: Stress (in material); 6288: Test method
• Subject Areas: Data and Information Technology; Geotechnology;

Filing Info

• Accession Number: 00643075
• Record Type: Publication
• Source Agency: Transport Research Laboratory
• ISBN: 0-8031-1885-6
• Files: ITRD
• Created Date: Mar 10 1994 12:00AM