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Old 06-20-2011, 08:17 AM   #1
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Can cinder blocks be ground and used for gravel drive?


We have some raw land that we are going to build on and there is an old cinder block house that we will need to have torn down. Is there a way that we can have the cinder blocks crushed and used as a base for the gravel drive? We will have to put in a 200+ ft driveway that will need the 3/4 inch base and were thinking that we could kill two birds with one stone as it would be pricey to have the cinder blocks hauled off to the dump. Also, the land is at the end of a gravel road and there are some places that are washed out and we thought we could use the cinderblocks to fill in there as well. Is there a down side to doing this?

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Old 06-20-2011, 08:23 AM   #2
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Can cinder blocks be ground and used for gravel drive?


The stated base of 3/4" would be inadequate and pushed into the soil underneath in a heartbeat.

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Old 06-20-2011, 09:09 AM   #3
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Can cinder blocks be ground and used for gravel drive?


My apologies. The 3/4 would be after the base has been set.
Is it possible or even a good idea to try to crush the cinder blocks and use them for the base? Someone said there is a machine that can be used to crush cinder blocks. Does anyone know if that is true?

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Old 06-20-2011, 09:55 AM   #4
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Can cinder blocks be ground and used for gravel drive?


The term cinder block refers to a turn of the century process of taking cinders from a fireplace and casting them into blocks. If your building is old enough, you may in fact have cinder blocks for a foundation. Beginning at least fifty years ago, probably closer to a hundred years ago, "cinder blocks" were replaced with cast concrete block, which is what they are made of today, sometimes with fly ash added.

Concrete block can be crushed using a crusher (typical crusher uses rotating conical steel elements) into virtually any size pieces. Crushed aggregate is often made this way using limestone or granite pieces to start. The problem is that such a mill is typically quite expensive, and is not easily transported, so I doubt anyone is going to bring a portable ball mill to your place to crush up a small house. Simply no economy in it. If you could get the blocks to the mill, they might be willing to crush them, but the cost to transport would likely be prohibitive.
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