EFFECT OF GRAVEL SIZE ON STRENGTH OF CONCRETE

The compressive strength of concrete is lower than that of mortar matrix, as the interface between gravel and mortar matrix is a weak point of concrete. The concrete strength decreases as the particle size becomes larger or the volume fraction of gravel increases. Test results show that the decrease in strength is slighter as the sand content in mortar increases and that the decrease remains almost constant at any water/cement ratio when the mix proportion of cement paste, sand and gravel is kept constant. The sand content in mortar plays an important role in strength development of concrete through affecting the shrinkage of mortar matrix, which causes the weakening of the bond strength at the interface.(A) See also IRRD Abstract No. 205029

  • Supplemental Notes:
    • Proceedings of the Society of Materials Science Conference on the Mechanical Behavior of Materials.
  • Corporate Authors:

    Society of Materials Science

    1 Yoshida Izumidono-cho, Sakyo-Ku
    Kyoto 600,   Japan 

    Society of Materials Science

    1 Yoshida Izumidono-cho, Sakyo-Ku
    Kyoto 600,   Japan 

    Society of Materials Science

    1 Yoshida Izumidono-cho, Sakyo-Ku
    Kyoto 600,   Japan 
  • Authors:
    • Hawakami, H
  • Conference:
  • Publication Date: 1972

Media Info

  • Features: Figures; References; Tables;
  • Pagination: p. 96-103

Subject/Index Terms

Filing Info

  • Accession Number: 00083870
  • Record Type: Publication
  • Source Agency: Transport and Road Research Laboratory (TRRL)
  • Report/Paper Numbers: Conf Paper
  • Files: ITRD, TRIS
  • Created Date: May 29 1975 12:00AM