The objective of this study is to develop concrete which would resist attachment by fouling organisms during lengthy periods of exposure in the sea. Results of preliminary tests conducted on the effectiveness of various chemical materials in controlling the growth of marine organisms on concrete is presented. Concrete test panels containing expanded shale aggregates saturated with various antifouling chemicals were placed in tropical waters, in Port Hueneme Harbor, at depths of 120 feet and 600 feet, and on the surface to evaluate antifouling properties of the chemicals. Panels with mixtures of antifouling chemicals were observed to be more resistant to fouling than panels with a single chemical compound. However, the compressive strengths of treated panels were observed to be less than those of untreated control panels subjected to equivalent environmental conditions. These preliminary results are inconclusive with regard to the merits of such treatment and efforts are continuing in the study of the concrete fouling problem.

  • Corporate Authors:

    Naval Civil Engineering Laboratory

    Port Hueneme, CA  United States 
  • Authors:
    • Muraoka, J S
  • Publication Date: 1972-1

Media Info

  • Features: References;
  • Pagination: 24 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00048051
  • Record Type: Publication
  • Source Agency: National Maritime Research Center, Galveston
  • Report/Paper Numbers: N-1211 Tech Note
  • Files: TRIS
  • Created Date: Oct 31 1973 12:00AM