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prads  
#1 Posted : 18 October 2017 11:14:49(UTC)
Rank: Forum user
prads

Can someone advise if pouring concrete directly to ground with a sand base is a good practice, keeping in view the Environmental Impacts?

Regards,

PG

achrn  
#2 Posted : 18 October 2017 15:25:50(UTC)
Rank: Super forum user
achrn

It's normal, though actually more common without the sand than with it.  You'd normally put down a thin layer of unreinforced 'blinding' to provide a flattish cleanish base for fixing the reinforcement over, but you might just include allowance for extra cover instead.

Most in-situ piles are cast directly against the ground.

Brian Campbell  
#3 Posted : 19 October 2017 13:58:42(UTC)
Rank: Forum user
Brian Campbell

If the sand is already in then yes this is fine but quarry dust is a better product as this will eventually go hard itself.  

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