[TheForge] Fw: setting fence posts

[Peter Fels & Phoebe Palmer]

Dan, i think it has to stay damp to keep gaining strength..admixtures 
can change the time involved.

Dan Brewer wrote:
> All concrete reaches 1/2 of its strength in 30 days.  After that it
> continues to get harder.  So if it was mixed correctly in 1920 It would be
> really hard.  Also being rammed as a damp mix ,most of the air would have
> been driven out by compacting.  But for us mere mortals the correct amount
> of water added to the mix will make a stronger application.  It will also be
> easey t  to set the post in place.  About 12 hours after the post has been
> set you can hang wire on it.
> 
> Dan in Auburn
> 
> On Sun, May 24, 2009 at 5:35 PM, David E. Smucker
> <davesmucker at hotmail.com>wrote:
> 
>> Dan, I don't agree, not throwing stones here just concrete.  For the
>> highest
>> strength concrete you want a very "dry" mix, problem is that this isn't
>> easy
>> to place.  There is a lot of data out there on this -- not just my word.
>> But from my experience the worst foundation I every had to remove was one
>> that was placed in about 1920 using what they called dry pack at the time.
>> They made a very very dry mix and placed it by impact hammering it into the
>> forms.  It was hell to remove, and didn't even have rebar in it.   We were
>> inside a mill building and didn't really want to blast.
>>
>> In the case of the posts by using the mix completely dry you get a slow
>> hydration of the cement -- from the moisture in the ground, makes a very
>> strong concrete -- it just that it takes some time.
>>
>> No question if you a going to do lots of these the a commercial mix and
>> pumper is the way to go.
>>
>> Dave
>>
>> --------------------------------------------------
>> From: "Dan Brewer" <danqualman at gmail.com>
>> Sent: Sunday, May 24, 2009 3:11 PM
>> To: "terry l. ridder" <terrylr at blauedonau.com>; "Blacksmithing List
>> Sponsored by ABANA" <theforge at mailman.qth.net>
>> Subject: Re: [TheForge] setting fence posts
>>
>>> Just stetting the bag in the hole without mixing gives mass to the post
>>> but
>>> if you mix the bag with water the result will be a stronger mix.  One 80
>>> lb
>>> bag per pole.  Use a line to keep the fence stright.
>>> Dan in Auburn
>>>
>>> On Sun, May 24, 2009 at 5:26 AM, terry l. ridder
>>> <terrylr at blauedonau.com>wrote:
>>>
>>>> hello;
>>>>
>>>> i have received my county permit to build my fence. i am looking at the
>>>> various cement mixtures offered by quikcrete and others and do not get a
>>>> good feel for just how many 40/80 lbs bags would be needed per fence
>>>> post. i am using a 3-pt hitch post hole digger with a 9inch auger. the
>>>> fence posts are 2 inch galvanized pipe. basically each hole is roughly
>>>> 1.76 cubic feet. the pipe does take up some space but it is small
>>>> compared to the hole. the fence is 400 ft long with a fence post every 8
>>>> ft. roughly 50 fence post. so roughly 1.78 cubic feet x 50 gives 88
>>>> cubic feet of cement is needed. what is the least expensive why to make
>>>> up the necessary cement mixture for setting fence posts?
>>>>
>>>>
>>>>
>>>> --
>>>> terry l. ridder ><>
>>>> ______________________________________________________________
>>>> TheForge mailing list
>>>> Home: http://mailman.qth.net/mailman/listinfo/theforge
>>>> Help: http://mailman.qth.net/mmfaq.htm
>>>> Post: mailto:TheForge at mailman.qth.net
>>>>
>>>> TheForge mail list group photo site is
>>>> http://www.photoaccess.com
>>>> Login: blacksmithblacksmith at hotmail.com
>>>> Password: anvil
>>>>
>>>> This list hosted by: http://www.qsl.net
>>>> Please help support this email list: http://www.qsl.net/donate.html
>>>>
>>> ______________________________________________________________
>>> TheForge mailing list
>>> Home: http://mailman.qth.net/mailman/listinfo/theforge
>>> Help: http://mailman.qth.net/mmfaq.htm
>>> Post: mailto:TheForge at mailman.qth.net
>>>
>>> TheForge mail list group photo site is
>>> http://www.photoaccess.com
>>> Login: blacksmithblacksmith at hotmail.com
>>> Password: anvil
>>>
>>> This list hosted by: http://www.qsl.net
>>> Please help support this email list: http://www.qsl.net/donate.html
>>>
>> ______________________________________________________________
>> TheForge mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/theforge
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:TheForge at mailman.qth.net
>>
>> TheForge mail list group photo site is
>> http://www.photoaccess.com
>> Login: blacksmithblacksmith at hotmail.com
>> Password: anvil
>>
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>>
> ______________________________________________________________
> TheForge mailing list
> Home: http://mailman.qth.net/mailman/listinfo/theforge
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:TheForge at mailman.qth.net
> 
> TheForge mail list group photo site is
> http://www.photoaccess.com
> Login: blacksmithblacksmith at hotmail.com
> Password: anvil
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>