Hengelerbrug Goor
Demolishing a bridge deck while sparing the reinforcement with a 100% guarantee? ADS did it at the Hengelerbrug over the Twente canal — with three robots at once for maximum production speed.
Demolishing a bridge deck without damaging the reinforcement
The Hengelerbrug over the Twente canal was in poor condition, making maintenance necessary. The existing reinforcement could under no circumstances be damaged or replaced. At the same time, the timeframe was extremely tight, making a high production speed essential.
Efficient approach within a tight time window
ADS mobilised three hydrodemolition robots simultaneously on the Hengelerbrug. Through the parallel deployment of the robots, productivity was maximised. Within two weeks the bridge deck was completely demolished to the required depth, with the reinforcement fully spared — ready for the follow-up work.
Three robots simultaneously for maximum production speed
Because of the tight timeframe, three robots were used at the same time. This guaranteed a high production speed and a demolition depth of up to approximately 100 mm¹, so that the concrete repair work on the bridge deck could be started quickly. The reinforcement remained fully intact.
Arjan de Waard
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