Considerations For Pouring A Rather Tall Concrete Pier? - Page 2 - Construction - Contractor Talk

Considerations For Pouring A Rather Tall Concrete Pier?

 
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Old 04-23-2013, 09:04 PM   #21
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Re: Considerations For Pouring A Rather Tall Concrete Pier?


Quote:
Originally Posted by acro View Post
Is there an engineer around that you can call on to give you some specs for sizes?
I am not familiar with any, but I am in southern Ohio if you know of any.


The culvert pipe is a good idea but what size? (22? 24?)
About 22"


Are you going to lay steel in it?
Was not planning on it.



What strength concrete are you thinking?
5k psi, but that was one of my initial questions.



I don't like the idea of dropping the concrete 13' but if you vibrate it as you go up you can lessen the separation that might occur.
What about adding any friction modifiers or other additives to the mix? The drop would be straight down, so nothing to hit that could separate the mix and cause graveling. That's my thought anyway.


This building is an old service facility for DT&I trains.
here is the deal, you need to get an engineer!!!
If you decide not to get an engineer, you need to get a pressure test done on the soil. If the soil is soft, you may need to drive piling, or possibly dig deeper for a caison.

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