Breaking up reinforced concrete

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Forgive me, but if a 9" angle grinder can defeat rebar then why is a 1.5ton or more machine necessary?
 
I value Rogers opinion as what he says is correct, Noseall, you really have got this one wrong, I agree a machine this size will pull a piece of concrete of this dimension towards it once its out the ground, but what you are implying is that this size machine will break and dig reinforced concrete out of a foundation situation. lets get this clear to all reading especially OP, you can not only risk overturning the machine if you hook the teeth into a 150mm reinforced concrete footing and expect to pull it apart out the ground, also if you start scraping and scraping at the edge of the concrete expecting it to yield you can spall the edge resulting in flying bits , not only risking shattering the cab windscreen, but also another big risk to the operator catching a piece in the face.
Take a tip from proper experienced machine driver, do not go hiring your 1/1/2 ton excavator for this job. get a hydraulic breaker and break the concrete in situ, keep breaking till you can expose, cut or even remove the re-bar, then and only then would a 1 1/2 ton machine dig this out.
 
I value Rogers opinion as what he says is correct, .
Baloney!
We are talking about a poxy 150mm thick 300mm wide piddling strip of concrete weighing a few hundred kilo. You are talking out of yer arse. Are you talking about toy diggers? The whole foundation will be less than a cubic metre.
 
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Hoof it out and break it with a sledge. Fold it with the digger and hoof it in the skip. I'd have the lot out and bent or broken in less than an hour.
 
strip is 150mm x300mm x20000mm yes that's 20 mtrs as OP stated, cubes up to about 0.9 m3 approx. 2.2tons of heavily (30mm rebar) reinforced concrete, not just lying there but as a strip foundation, (depth below ground unknown) that is concrete that as been wet poured in situ in the ground. a machine of 1 1/2 ton size will baulk at pulling a football sized stone out of a clay, so how the hell this dreamer thinks he can hoof out a strip of this foundation before breaking and folding and skipping, I think he believes its a patio that the op is digging up.
 
TNT.
I would have to agree, if you are going to hire anything hire a breaker or buy the one that is stocked in aldi /lidl or just keep at it with a sledge.
 
. a machine of 1 1/2 ton size will baulk at pulling a football sized stone out of a clay, so how the hell this dreamer thinks he can hoof out a strip of this foundation before breaking and folding and skipping, I think he believes its a patio that the op is digging up.

Completely agree.
With three runs of 30mm rebar it won't be going anywhere with a tiny 1 1/2 tonner.
noseall doesn't own an excavator. Nor does he drive for anyone that owns excavator machines. If he did he would be turfed out on his ear for using and abusing a tiny machine not fit for purpose.
 
Completely agree.
With three runs of 30mm rebar it won't be going anywhere with a tiny 1 1/2 tonner.
noseall doesn't own an excavator. Nor does he drive for anyone that owns excavator machines. If he did he would be turfed out on his ear for using and abusing a tiny machine not fit for purpose.


TROLL ALERT!
 
Never knew this would be such a controversial subject!

I ended up using the same Titan breaker that Mike suggested, I discovered my workmate had one so it didn't cost me a penny. I found a nack to it, if I hammered around the rebar I could get the concrete to split away from it in big chunks, only took 2.5 hours to pulverise the lot, and bonus I've got nearly 200kg of steel which is worth a few quid down the scrappers!

Thanks for the (amusing) tips :)
 
Never knew this would be such a controversial subject!

I ended up using the same Titan breaker that Mike suggested, I discovered my workmate had one so it didn't cost me a penny. I found a nack to it, if I hammered around the rebar I could get the concrete to split away from it in big chunks, only took 2.5 hours to pulverise the lot, and bonus I've got nearly 200kg of steel which is worth a few quid down the scrappers!

Thanks for the (amusing) tips :)

Glad it all worked out well for you.

Mike
 
200kg - that's about £150. It don't include the weight of the concrete. (y)
 
200kg - that's about £150. It don't include the weight of the concrete. (y)
Lol. We should go into business, I'll start buying new steel ub and you can scrap them.
 

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