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Old 04-02-2017, 01:49 PM   #1
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Poured concrete wall vs block...


For a perimeter wall foundation around 24" above grade for a 16'x 32' (2 story) cabin, is poured concrete or blocks better/easier iyo? Strength wise, are they pretty comparable? Pros/cons to each? Thanks!
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Old 04-02-2017, 02:27 PM   #2
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Re: Poured concrete wall vs block...


There are only four people left in the US who can lay block. That is the disadvantage.
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Old 04-04-2017, 09:17 PM   #3
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Re: Poured concrete wall vs block...


Quote:
Originally Posted by cleveman View Post
There are only four people left in the US who can lay block. That is the disadvantage.
I think you might be exaggerating slightly, I could have 6-7 great blocklayers on the the job tommorow.........
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Old 04-04-2017, 10:15 PM   #4
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Re: Poured concrete wall vs block...


Both can have equal strength. The lateral loads are mainly resisted by the reinforcement, which is goverened by the design.

For vertical loads the same applies and I have seen 20 story buildings built out of 6" thick block walls using U.S. codes. Concrete was more costly and slower.

For small or remote sites, getting a ready-mix truck into the good locationS for pouring can be a cost and problem. Block are delivered by a boom truck that can spread out the block, saving labor. For basements, a block truck can drive down a ramp into a basement or boom the block into the interior space of a basement allowing the contractor to work unimpeded by the soil dug out.

If you pour a basement and have the forms set and reinforced, it is a disaster if there is rain and the rain can't drain out and floods the forms with mud and silt that requires a lot of pumps and water to clean out before starting to pour. Mason contractors try to get a few courses up early to avoid the clean-up costs.

Have you ever seen what it costs to have a single yard of concrete delivered to finish off a pour ($100+/hr truck time) if you did not order enough extra that may be needed?

Dick
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Last edited by concretemasonry; 04-04-2017 at 10:18 PM.
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Old 04-05-2017, 08:52 AM   #5
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Re: Poured concrete wall vs block...


in your situation, we'd recommend conc block on a steel-reinforced concrete footer
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