STUDY ON PROPERTIES OF CONCRETE WITH ULTRA-FINE PARTICLES PRODUCED FROM FLY ASH

This paper describes the basic properties of concrete containing ultra-fine particles, which are produced from fly ash. The properties of concrete with these particles differ greatly with the specific surface area of the particles. Experiments showed that ultra-fine particles with a specific surface area of 71 sq m/g develop a compressive strength of approx. 118 MPa (w/c-25%), while plain concrete develops approx. 105 MPa. Ultra fine particles with a specific surface area of 35 sq m/g improve the consistency of fresh concrete, especially in low water/cement ratio (w/c=20-25%), enabling concrete to be easily mixed without increasing the dosage of high range air entraining water reducer.

Language

  • English

Media Info

  • Features: Figures; References; Tables;
  • Pagination: p. 351-365
  • Serial:
    • Volume: 1

Subject/Index Terms

Filing Info

  • Accession Number: 00624310
  • Record Type: Publication
  • Report/Paper Numbers: SP-132
  • Files: TRIS
  • Created Date: Oct 13 1993 12:00AM