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21. Re: [TowerTalk] concrete (score: 1): Author: "Artmouton" <k5fnq@cox.net>; Date: Mon, 31 Dec 2007 06:27:50 -0600; Or Rebar - or will both be best? Art K5FNQ (about ready to put base in for Rohn 55) _______________________________________________ _______________________________________________ TowerTalk mailing l; /archives//html/Towertalk/2007-12/msg00505.html (7,634 bytes)
22. Re: [TowerTalk] concrete (score: 1): Author: David Gilbert <xdavid@cis-broadband.com>; Date: Mon, 31 Dec 2007 10:40:14 -0700; Even the manufacturers of various fibers (glass, nylon, polypropylene, steel, kevlar, spun carbon ... in approximate order of strength and cost) refer to them as "secondary reinforcement" and specifi; /archives//html/Towertalk/2007-12/msg00512.html (9,117 bytes)
23. Re: [TowerTalk] concrete (score: 1): Author: "Artmouton" <k5fnq@cox.net>; Date: Mon, 31 Dec 2007 15:04:40 -0600; Thanks for the info. That is why I joined the list. Art K5FNQ -- Original Message -- From: "David Gilbert" <xdavid@cis-broadband.com> To: "Artmouton" <k5fnq@cox.net> Cc: "towertalk" <towertalk@contes; /archives//html/Towertalk/2007-12/msg00519.html (10,502 bytes)
24. [TowerTalk] Concrete (score: 1): Author: Martin Staffa <geitaemort@sbcglobal.net>; Date: Mon, 6 Jul 2009 19:23:59 -0700 (PDT); 28 days cure time _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting.com http://lists.contesting.com/mailman/l; /archives//html/Towertalk/2009-07/msg00044.html (6,526 bytes)
25. [TowerTalk] concrete (score: 1): Author: Martin Staffa <geitaemort@sbcglobal.net>; Date: Tue, 7 Jul 2009 11:09:34 -0700 (PDT); 28 DAYS TO CURE put some grounding in while you wait. Why take the chance on the thing falling over Martin _______________________________________________ _______________________________________; /archives//html/Towertalk/2009-07/msg00077.html (6,952 bytes)
26. [TowerTalk] Concrete (score: 1): Author: "Wilson Lamb" <infomet@embarqmail.com>; Date: Tue, 3 May 2011 17:25:34 -0400; Maybe buy a little mixer from harbor freight and share with friends. http://www.harborfreight.com/catalogsearch/result?q=mixer Concrete is probably cheaper from bags and sand. You might find a local; /archives//html/Towertalk/2011-05/msg00019.html (7,647 bytes)
27. Re: [TowerTalk] Concrete (score: 1): Author: Grant Saviers <grants2@pacbell.net>; Date: Tue, 03 May 2011 15:07:06 -0700; I have the larger Harbor Freight mixer and would not recommend the investment. The drum drive is poor, the Chinese motor is weak, it doesn't mix well unless the dry mix is added incrementally, the sm; /archives//html/Towertalk/2011-05/msg00023.html (8,990 bytes)
28. [TowerTalk] concrete (score: 1): Author: Rex Turvin <turvin2009@yahoo.com>; Date: Fri, 1 Nov 2013 11:49:22 -0700 (PDT); I'm going to be pouring concrete for my base foundation and 3 guy anchors next week. Does anyone know how long I need to let it cure beforeI start erecting the tower? 73 NR6M ex: KF7NMD Sincerely,; /archives//html/Towertalk/2013-11/msg00004.html (6,742 bytes)
29. Re: [TowerTalk] concrete (score: 1): Author: Ed K0KL <edk0kl@centurytel.net>; Date: Fri, 01 Nov 2013 13:57:19 -0500; I waited a month before hanging my free standing tower. In the construction field where I worked many years ago, forms were stripped after a few days, but the reinforced concrete was still supported; /archives//html/Towertalk/2013-11/msg00005.html (8,707 bytes)
30. Re: [TowerTalk] concrete (score: 1): Author: "Doug Scribner" <dscribner@myfairpoint.net>; Date: Fri, 1 Nov 2013 15:02:07 -0400; When I poured my base I was told to wait 28 days, at which time the concrete should reach 90% of its strength. Doug - K1ZO I'm going to be pouring concrete for my base foundation and 3 guy anchors ne; /archives//html/Towertalk/2013-11/msg00006.html (8,815 bytes)
31. Re: [TowerTalk] concrete (score: 1): Author: Larry Loen <lwloen@gmail.com>; Date: Fri, 1 Nov 2013 12:10:14 -0700; My US Tower first advised 90 days, but the eventually relented and told me 28. I think I waited six to eight weeks; don't remember now. Remember, though, that none of us are structural engineers. You; /archives//html/Towertalk/2013-11/msg00007.html (10,377 bytes)
32. Re: [TowerTalk] concrete (score: 1): Author: Tom Anderson <andersonww5l@sbcglobal.net>; Date: Fri, 1 Nov 2013 12:20:44 -0700 (PDT); Doug: One thing you might do is what I was told when I put in my base back in 1993. Lightly water the concrete base daily. I mean lightly, no gushers, etc. Just a sprinkle for a couple minutes.; /archives//html/Towertalk/2013-11/msg00008.html (12,456 bytes)
33. Re: [TowerTalk] concrete (score: 1): Author: "Doug Scribner" <dscribner@myfairpoint.net>; Date: Fri, 1 Nov 2013 15:30:10 -0400; Tom, Base was poured in August 2012. I actually wrapped a blanket around the base and kept that damp. This was recommended by the concrete vendor. It has been in for over a year and already gone thro; /archives//html/Towertalk/2013-11/msg00009.html (12,130 bytes)
34. Re: [TowerTalk] concrete (score: 1): Author: "Steve Jones" <n6sj@earthlink.net>; Date: Fri, 1 Nov 2013 12:34:43 -0700; Rex It depends on the ratio of Portland cement in your mix. If 5000 psi ultimate strength, it will be at well over 2500 psi in less than 10 days. If 2500 psi, it takes about a month. Are you going to; /archives//html/Towertalk/2013-11/msg00010.html (8,733 bytes)
35. Re: [TowerTalk] concrete (score: 1): Author: "John Lemay" <john@carltonhouse.eclipse.co.uk>; Date: Fri, 01 Nov 2013 15:46:18 -0500; The concrete base needs to be protected during the early stages of curing (say 3 days) from:- Frost - cover with straw / blankets / polystyrene sheets Extreme rainfall - cover with plastic / tarpauli; /archives//html/Towertalk/2013-11/msg00011.html (12,973 bytes)
36. Re: [TowerTalk] Concrete (score: 1): Author: "Edward Sawyer" <SawyerEd@Earthlink.net>; Date: Fri, 1 Nov 2013 16:20:18 -0400; You will get varying answers on this one. Hard to go wrong waiting for the 90%+ point of 28 days.however.when that is going to be a problem, here are a couple of suggestions to think about. - Tower s; /archives//html/Towertalk/2013-11/msg00012.html (8,135 bytes)
37. Re: [TowerTalk] Concrete (score: 1): Author: Larry Loen <lwloen@gmail.com>; Date: Fri, 1 Nov 2013 14:35:24 -0700; I would go further and say "don't be in a hurry". You're going to live with that tower for a lot of years. What's a couple more days? You're going to miss CQ WW CW whatever you do, so I can't think o; /archives//html/Towertalk/2013-11/msg00013.html (9,072 bytes)
38. Re: [TowerTalk] Concrete (score: 1): Author: "Edward Sawyer" <SawyerEd@Earthlink.net>; Date: Fri, 1 Nov 2013 17:45:11 -0400; Clearly spoken by a southerner. Up here in New England, you might have a different perspective on November 1. Ed N1UR On Fri, Nov 1, 2013 at 1:20 PM, Edward Sawyer <SawyerEd@earthlink.net> wrote: [sn; /archives//html/Towertalk/2013-11/msg00014.html (8,858 bytes)
39. [TowerTalk] concrete (score: 1): Author: "Jim Thomson" <jim.thom@telus.net>; Date: Fri, 1 Nov 2013 23:31:58 -0700; ticket. The stronger the mix, the less porous the concrete is. You wont get all the hairline cracks in it with the stronger mixs. Avoid forms in the ground like the plague if you can. You will spend; /archives//html/Towertalk/2013-11/msg00017.html (7,905 bytes)
40. Re: [TowerTalk] concrete (score: 1): Author: David Gilbert <xdavid@cis-broadband.com>; Date: Sat, 02 Nov 2013 00:27:46 -0700; That (heat) is not why you should keep the concrete moist. Concrete is a hydraulic cure, meaning it requires water to cure. If concrete is allowed to prematurely dry out it doesn't become strong unti; /archives//html/Towertalk/2013-11/msg00018.html (9,774 bytes)

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