Using Explosives to clean out a concrete truck

Myth Busters said It couldn't be done! Removing a load of set concrete from a concrete truck agitator bowl is a very difficult and time consuming exercise. The traditional method involves working from the inside with a jack hammer and painstakingly chipping it out. In this case we had a small diameter skid mounted mixer and the very limited space inside meant that a full size jackhammer just would not fit, the only option was a small hand held air pick. To compound the issue it was a special mix of very hard concrete with very tough fibre aggregate. Luckily, the guys who took on this job knew exactly who to call for a fast and cost effective solution using explosives, Demolition Dave was able to get the job off to a good start with a conservative but effective blast that lessened a considerable amount of material, opening up significantly more room to move and work inside, without any damage to the machine.

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Видео Using Explosives to clean out a concrete truck канала Demolition Dave Drilling and Blasting