BONDING BETWEEN CEMENT HYDRATES AND STEEL

The bonding mechanics of steel to portland cement and its constituent compounds were studied by testing composite steel/paste bars in flexure. The interface was subsequently examined by scanning electron microscopy. Type I portland cement, tricalcium silicate, dicalcium silicate, and tetracalcium aluminoferrite exhibited strong bonding to low carbon steel; tricalcium aluminate demonstrated no measurable bond strength. The primary bonding mechanism between alite paste and steel was found to be chemical in nature. No significant influence of the surface roughness of the steel on the tensile bond strength to alite paste could be established. The weak link in the steel paste bar was a high water content region concentrated near the steel/paste interface. (Author)

  • Supplemental Notes:
    • Doctoral thesis.
  • Corporate Authors:

    Army Construction Engineering Research Laboratory

    P.O. Box 4005
    Champaign, IL  USA  61820
  • Authors:
    • Schnittgrund, G D
    • Scott, J K
  • Publication Date: 1976-1

Media Info

  • Pagination: 55 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00094732
  • Record Type: Publication
  • Source Agency: National Technical Information Service
  • Report/Paper Numbers: CERL-Tech-MS-M-176 Final Rpt.
  • Files: TRIS
  • Created Date: May 14 1977 12:00AM