The successful innovation of asbestos asphalt for use as a bridge deck waterproofing agent is reported. Asbestos fibers have been introduced into the basic asphalt mix where they fill the voids of the material. Tests have found this material to be impervious to water and more durable than existing bituminous concrete mixes. This was bourne out by the results of electrical resistance testing which measured the moisture content of water that penetrated the void between the membrane and the bridge deck. This highly efficient water proofing membrane could be placed using standard paving techniques, and causes minimal delays to roadway users as well as reduced job time.

  • Supplemental Notes:
    • This paper was published as part of the Report of the Research Committee Meeting held in Denver, Colorado, August 6-8, 1975.
  • Corporate Authors:

    International Bridge, Tunnel and Turnpike Association

    1146 19th Street, NW, Suite 800
    Washington, DC  United States  20036-3725
  • Authors:
    • Leman, M C
  • Publication Date: 1975

Media Info

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Filing Info

  • Accession Number: 00153002
  • Record Type: Publication
  • Files: TRIS
  • Created Date: May 31 1977 12:00AM