[AT] another new shop

Gilbert Schwartz gschwartz1 at mchsi.com
Fri Aug 13 11:43:48 PDT 2004


I worked in a concrete block plant for a year, a bunch of years ago. The
form stayed on the finished block for about 10 seconds, the block was then
vibrated out of the form onto a pallet where it was moved to a drying rack
until morning. In the morning it went to the outside for stacking. All of
this depended on the mix being DRY enough.
----- Original Message ----- 
From: "Larry D. Goss" <rlgoss at evansville.net>
To: "'Antique tractor email discussion group'"
<at at lists.antique-tractor.com>
Sent: Friday, August 13, 2004 9:36 AM
Subject: RE: [AT] another new shop


> The next time any of you travel through a construction zone where they
> are pouring a continuous divider wall on an Interstate highway, notice
> the process.  The form isn't more than eight or ten feet long, and they
> move it along as they pour -- within minutes of when it came out of the
> truck.  City street departments do the same thing with poured curbing.
> I grew up with the concept of letting concrete set for at least 24 hours
> before removing the forms, but that's obviously an old-fashioned idea
> nowadays.
>
> Larry
>
> -----Original Message-----
> From: at-bounces at lists.antique-tractor.com
> [mailto:at-bounces at lists.antique-tractor.com] On Behalf Of
> DAVIESW739 at aol.com
> Sent: Friday, August 13, 2004 12:48 AM
> To: at at lists.antique-tractor.com
> Subject: Re: [AT] another new shop
>
> In a message dated 8/12/2004 6:35:39 PM Pacific  Daylight Time,
> gremaux at tein.net writes:
> my turn Walt....
> first if you took  the forms off while the truck was still there.....how
> did
> you pick up the  mess......cause it would not stand upright that soon
> ....next morning yes but  not while the truck was still there.
> Agreed that cured in the air is  best
>
> Frank I don't know how wet your pour your concrete But I have worked  in
> it
> for over 40 years and I alway pull the forms right away not the next day
> as i
> don't like to pry them off with a sledge hammer.  I don't know who you
> work
> for but I bet its like the stuff we get out here now sloppy wet with no
>
> strength. The dryer the concrete the stronger it will be that's what I
> was  taught
> and none of you will ever change my mind on that. I have seen wet
> concrete
> poured where it flaked off until there was nothing left. You only get
> cracks
> from freezing if water can get into the concrete simple logic.  Also  to
> stop
> cracking then besure that you have a solid foundation to put it on. Sand
> or or
> small gravel is not enough you need a good rock base start with large
> ones
> then add the smaller size up to the top of the base where sand and or
> gravel can
> be used.
>
>
> Walt Davies
> Cooper Hollow Farm
> Monmouth, OR  97361
> 503 623-0460
>
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