[AT] OT - back filling fence posts

charlie hill charliehill at embarqmail.com
Wed Oct 1 05:53:09 PDT 2014


Cecil,  I started to post the same thing but didn't because
I'm not familiar with the frost heave issues there.  I'm guessing
the concrete mix needs to be below the frost line?   Here we'd
just dump it in the hole and not worry about it.

Charlie

-----Original Message----- 
From: Cecil R Bearden
Sent: Wednesday, October 01, 2014 6:59 AM
To: Antique tractor email discussion group
Subject: Re: [AT] OT - back filling fence posts

You could back-fill with dry mix concrete.  It will tamp and it will set
up from the moisture in the clay.  You would not have to fill the hole
completely full, just tamp in the concrete mix in the bottom half and
fill with clay and tamp.  This would work much like a bell shaped hole.
Sometimes here, the big box stores offer sackrete at a really cheap
price.  A sack or 2 in each hole might not be a big expense.

Cecil in OKla


On 9/30/2014 3:41 PM, Mike wrote:
> It's a small paddock area and we only have about 20 posts to set. I like
> the lime idea, although it might be hard to find this time of year. I
> wonder if slag sand would work as well.
>
> Mike M
>
> On 9/30/2014 7:39 AM, Spencer Yost wrote:
>> Finding, buying, renting, or borrowing a hydraulic post driver for your 
>> tractor is the way to go.  I hug mine every day.   I'd never go back to 
>> angering.    But it sounds like your project might be small enough to 
>> exclude the driver as an option to bother with.  So barring that I would 
>> go lime. In our NC clay gravel seems to migrate away from the post over 
>> the years leaving a very loose post.   Maybe your clay is different but 
>> just a thought.
>>
>> Good luck
>>
>> Spencer
>>
>> Sent from my iPhone
>>
>>> On Sep 30, 2014, at 7:26, "John Maddock" <agtronixjv at southcom.com.au> 
>>> wrote:
>>>
>>> Backfilling with fine crushed rock is standard procedure for wood
>>> electricity poles in Tas.  I presume coz it is quick & easy, but might
>>> also offer some drainage.
>>>
>>> JV
>>>
>>>> We did that years ago while building a fence used crush gravel tamped 
>>>> with
>>>> a
>>>> steel digging bar post rock solid.
>>>>
>>>> Bruce Fallon
>>>> Langley, WA 98260
>>>>
>>>> -----Original Message-----
>>>> From: at-bounces at lists.antique-tractor.com
>>>> [mailto:at-bounces at lists.antique-tractor.com] On Behalf Of Joe 
>>>> Hazewinkel
>>>> Sent: Monday, September 29, 2014 1:06 PM
>>>> To: Antique tractor email discussion group
>>>> Subject: Re: [AT] OT - back filling fence posts
>>>>
>>>> No experience with fence posts, but I think your theory is a good one.
>>>> It's
>>>> hard to pack wet clay, and clay has a pretty substantial shrink-swell
>>>> potential as it wets/dries out.  The gravel will fill the voids better. 
>>>> I
>>>> don't know if it will help the posts last any longer, but I can't hurt.
>>>>
>>>> Enjoy, Joe
>>>>
>>>> Sent via mobile device
>>>>
>>>> On Sep 29, 2014, at 3:56 PM, Mike <meulenms at gmx.com> wrote:
>>>>
>>>> Hi All, we are replacing the 3 board fence around our horse paddock. 
>>>> The
>>>> original cedar ones are failing after about 13 years. Our land is quite
>>>> wet, and is heavy clay. After digging the hole with a 3 point auger we
>>>> are left with dripping wet sticky clay to use as back fill. I was
>>>> thinking of getting some road gravel to use instead since it should 
>>>> pack
>>>> tighter. Anyone have any experience with this? Any help is appreciated.
>>>>
>>>> Thanks,
>>>> Mike M
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