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Dexpan® Underwater Demolition of Concrete Highway Bridge Piers

United States, Oct 2007
Job done by Contactor Harcon Company
 
Underwater Demolition of Concrete Highway Bridge Piers by Contractor Harcon. Underwater DemolitionPoured into plastic tubing, Dexpan Expansive Grout can break reinforced concrete under water. It works safer and more effective comparing to traditional construction tools and equipments like controlled blasting, hydraulic breaker, demolition hammer breaker, diamond blade concrete gas saw, chain saw stone cutter, jackhammer. 
Underwater Demolition of Concrete Highway Bridge Piers by Demolition Contractor Harcon
 
drilling
drilling holes for Expansive Grout.
Underwater Demolition of Concrete Highway Bridge Piers by Harcon
Pouring Expansive Mortar into plastic tubings 
file holes
 
filling Dexpan
 
Mixing
Harcon worker mixed Expansive Cement into slurry.
pouring
 
filled
 
cracking
 
cracked
 
demolished
 
broken
 
removal
 
cracked underwater
 
broken underwater
 
Dexpan® silent cracking of Highway Bridge Piers by Demolition Contractor Harcon.