Concrete Hydrodemolition

Overview

The technique of using high pressure (HP) or ultra high pressure (UHP) water jets to cut and remove concrete from a structure is known within civil engineering as concrete hydrodemolition.

The principal benefit is that the water jet leaves steel reinforcements and/or structural embedments undamaged and ready for re-use.

 

 

This method is widely used in the alteration or repair of structures in many industry sectors.

It is now recognised by civil engineers, structural engineers and consultants as the safest, most effective, vibration-free method of concrete removal. The remaining structure suffers no cracking, reinforcing steel is left undamaged and the concrete retains its original integrity.



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Briefing guide

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  • Cuts to any depth
  • Can precision cut cement and aggregate to tight tolerances
  • Creates no percussive noise or vibration
  • Does not cause micro cracks in the structure
  • Does not damage reinforcing steel or cause loosening within the structure
  • Superior surface is created for bond with new concrete or coating
  • Removes chlorides and other non-visible contamination
  • Uses mains water which is captured and treated, thus causing no contamination to the environment
  • Removal of new concrete that has been placed in the wrong place, has not reached the correct strength or was poured without the steel reinforcement in place
  • Removal of existing concrete to allow tying into existing structures e.g. concrete pockets can be accurately cut
  • Removal of concrete to preserve expensive steel fabrication
  • Removal of concrete in close proximity to water/gas mains and high voltage cables
  • Removal of concrete damaged by salt and other chemicals
  • Removal of concrete under water
  • Removal of coatings, laitance, waterproofing, aggregate exposure, spalling or damaged concrete
  • Concrete surface preparation for bonding with new concrete (scabbling)
  • Preparation and protection of steel structures
  • Removal of concrete blockages inside pipes

 

  • No HAVS issues – crews can work normal hours without risk
  • No heat/dust, sparks created or blades to clog or go blunt
  • Usually faster than jack hammering – see ‘UHP Waterjetting vs. jackhammers’ PDF
  • Noise caused created by percussive tools is eliminated

Need a concrete hydrodemolition quotation?

Fill out our enquiry form to get a quotation.

Briefing guide

Make an Enquiry Now