HYDRODEMOLITION FOR BRIDGE REPAIRS

The Swedish experience of the water-jet cutting technique used to remove damaged concrete is very good and has the following observed advantages: good working environment; time saving resulting from high capacity; reasonable costs; no secondary microcracks in the residual concrete; the reinforcement is left undamaged and also cleaned from rust; and selective removal of concrete in view of both the degree of damage and the strength level is possible. The possibility of selectively removing concrete with the water-jet cutting technique nevertheless presupposes that the water pressure and flow in the nozzle and its motional speed in different directions is properly calibrated. Moreover, it must be ensured that the necessary depth effect is attained in relation to the depth of the damage. (TRRL)

  • Availability:
  • Corporate Authors:

    Nordiska Betongfoerbundet

    10044 Stockholm,   Sweden 
  • Authors:
    • INGVARSSON, H
    • ERIKSSON, B
  • Publication Date: 1988

Media Info

  • Features: References;
  • Pagination: p. 49-54
  • Serial:
    • Nordisk Betong
    • Publisher: Nordiska Betongfoerbundet
    • ISSN: 002913070029-1307

Subject/Index Terms

Filing Info

  • Accession Number: 00493425
  • Record Type: Publication
  • Source Agency: Swedish National Road and Transport Research Institute (VTI)
  • Report/Paper Numbers: 1988:2-3
  • Files: ITRD, TRIS
  • Created Date: Apr 30 1990 12:00AM