KHIA headerKnow-How in Action

VOL XIX, NO 41

Belzona® Reduces Downtime For Concrete Bridge Expansion Joint Repairs

 
 

Industry:

Transport (TRAN)

 
 

Application:

Floor Problem Areas (FPA)

 
 

Customer Location:

Department of Transportation - Texas USA

 
 

Application Date:

May 2005

 
 

Application Situation:

Steel armored expansion joint on a busy interstate/highway bridge.

 
 

Problem:

Loose, dangerous expansion joint. Client needed a way to restore the joint edges and seal the joint while minimizing traffic disruption.

 
 

Products:

Belzona® 4111 (Magma-Quartz)

Belzona® 4521 (Magma-Flex Fluid)

 

Substrate:

Concrete, Steel

 
 

Application Method:

Application was carried out in accordance with modified versions of Belzona Know-How System Leaflets FPA-5 and FPA-6.

 
 

Belzona Facts:

The Belzona® 4111/Belzona® 4521 combination allows this type of repair to be made much faster and at a lower cost than conventional concrete repair procedure. Traffic disruption time is reduced. Past repairs using concrete involved removing old joint, jack hammer out old concrete, repour and then come back at a latter date to seal the joint. The Belzona system eliminates the return trip.

 
 

Photographs Description

  1. Steel armor being cut off.
  2. Concete edges blasted. Old rubber seal will be used as backer rod for Belzona® 4521.
  3. Belzona® 4111 being troweled and packed.
  4. Completed repair.
 
Case study pic one

 

 
 Case study pic two

 

 
 Case study pic three

 

 
 Case study pic four

 

 
 
For more information about Belzona visit: www.belzona.com