[Greenbuilding] Fence posts--gravel or concrete

Kat molasses at q.com
Mon May 9 15:02:59 PDT 2011


Am I remembering correctly that by using wedge-shaped footings and 
gravel beneath to the frost line you can eliminate much of the 
concrete?  Though how you would form wedge-shaped post footings is 
beyond me.

Steve T wrote:
> Well, 4 1/2 feet is the bare minimum you would want to go in order to
> have 6 inches below the frost line.  There seems to be a debate about
> whether the frost line is an issue, but I don't feel like coming back
> and fixing it later (or ever).
>
> On Mon, May 9, 2011 at 4:47 PM, Benjamin Pratt
> <benjamin.g.pratt at gmail.com> wrote:
>   
>> Wow-- 5 foot holes! That will be a strong fence!
>> Ben
>>
>>
>>     
>>> We
>>> will be using all gravel, in 5 foot holes with 6" of gravel at the
>>> bottom before setting the post.  This U of M site has some very good
>>>       
>>
>> b e n j a m i n p r a t t
>>
>> professor art+design
>> the university of wisconsin stout
>>
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>>     
>
>
>
>   



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