ON LARGE-SCALE LABORATORY PULLOUT TESTING

In the construction of reinforced soil structures and geomembrane lined waste containment facilities, the soil-reinforcement interface strength is an important design parameter. Large-scale laboratory pullout testing is sometimes needed for simulating the three dimensional nature of the soil-reinforcement interaction mechanism, and to account for the progressive mobilization of pullout resistance in the case of extensible reinforcement. However, the interface strength as measured in a pullout apparatus may be dependent on the design, in particular the boundary conditions, of the pullout box. A review of major pullout apparatuses reported in the literature is presented to identify debatable issues on pullout testing. The significance of these issues was addressed by comparing pullout test results obtained with different apparatuses and simulating the influence of certain design attributes by non-linear finite analyses. A number of confusing issues such as the influence of front wall roughness, sleeve design and short specimen in a long pullout box were elucidated. (A)

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  • Corporate Authors:

    SOUTHEAST ASIAN GEOTECHNICAL SOCIETY

    ASIAN INSTITUTE OF TECHNOLOGY, PO BOX 4, KHLONG LUANG
    PATHUMTHANI 12120,   Thailand 
  • Authors:
    • RAJU, D M
    • Lo, SCR
    • GOPALAN, M
    • Gao, J
  • Publication Date: 1998-12

Language

  • English

Media Info

  • Features: References;
  • Pagination: p. 123-56
  • Serial:

Subject/Index Terms

Filing Info

  • Accession Number: 00764474
  • Record Type: Publication
  • Source Agency: Transport Research Laboratory
  • Files: ITRD
  • Created Date: May 28 1999 12:00AM