Shotcrete for New Slag Dumping Platform Withstand to High Temperature at Qatar Steel

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Sun, 20 Aug 2017 09:01:43 +0000

Erect scaffold and dismantle after finishing.

Removing the existing brick work in front of the wall and removing the debris away from the site (designated area by MIC)

Chipping all loose and weak concrete using electric equipment and removing the debris.

Sandblasting take place for steel as well as concrete.

Apply Sika Zinc Rich Primer for all existing reinforcement appeared.

Drilling and install dowel/anchor bars at 2m c/c in both horizontal and vertical direction. The dimension of dowel/anchor will be 10mm diameter and minimum depth 200mm is buried into the existing concrete with anchoring grout Sikadur 31 CF Slow.

Install 8mm thick uncoated pre-fabricated wired reinforcement mesh 200mm X 200mm cell.

Soaking the surface using potable water.

Apply Shotcrete using HTR Structural Shotcrete with 50-75mm thickness.

Curing will be wet cure for 7 days.

Cleaning and handing over the site.