Methods currently used to evaluate the toughness of fibre reinforced concrete (frc) are reviewed. Parameters representing the fracture energy determined from the area under the load-displacement curve obtained from conventional laboratory tests are discussed. An improved toughness parameter is proposed based on the secant compliance (the displacement/load ratio), rather than judging by load or displacement alone as by conventional methods. The new parameter is shown to represent the toughness properties of frc in a more consistent manner than other similar methods when applied to a wide range of idealised load-displacement curves. However, like other toughness parameters determined from the area under the load-displacement curve, its use should be limited to comparisons among results obtained under the same test conditions.(a)

  • Availability:
  • Corporate Authors:

    Longman Group UK Limited

    Longman House, Burnt Mill
    Harlow, Essex,   England 
  • Authors:
    • Wang, Yinhi
    • Backer, S
  • Publication Date: 1989-2


  • English

Media Info

Subject/Index Terms

Filing Info

  • Accession Number: 00487843
  • Record Type: Publication
  • Source Agency: Transport and Road Research Laboratory (TRRL)
  • Files: ITRD, TRIS
  • Created Date: Sep 30 1989 12:00AM