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Total 21 documents matching your query.

1. [TowerTalk] Concrete Base? (score: 1): Author: k2qmf@juno.com; Date: Sun, 14 Nov 2004 10:49:45 -0500; Hello All, I have a question regarding tower base concrete. How long should concrete cure after pouring to be safe to install a crank-up, tilt over tower??? The mix is 3500 psi. Many Thanks in advanc; /archives//html/Towertalk/2004-11/msg00383.html (6,772 bytes)
2. Re: [TowerTalk] Concrete Base? (score: 1): Author: Joe - WDØM <WD0M@centurytel.net>; Date: Sun, 14 Nov 2004 09:10:21 -0700; Check with your concrete company and get their advice - I had 4000 psi delivered and poured, and the company recommended 24 hours to cure sufficiently - I waited 48 to be safe. No problems. 73, Joe W; /archives//html/Towertalk/2004-11/msg00384.html (8,523 bytes)
3. Re: [TowerTalk] Concrete Base? (score: 1): Author: "Gene Smar" <ersmar@comcast.net>; Date: Sun, 14 Nov 2004 11:24:46 -0500; Ted: At 24-48 hours it may be OK to bolt the tower to the concrete base, but don't crank up the tower to its raised position. The concrete takes a while to cure to its ultimate strength. The last tim; /archives//html/Towertalk/2004-11/msg00387.html (9,608 bytes)
4. Re: [TowerTalk] Concrete Base? (score: 1): Author: Joe - WDØM <WD0M@centurytel.net>; Date: Sun, 14 Nov 2004 09:37:05 -0700; Not wanting to start a lengthy discussion - but there's no need to wait 2-4 weeks - talk to your delivery company. I had my tower in the air within one week, tilted over- raised, and the antenna on i; /archives//html/Towertalk/2004-11/msg00388.html (11,160 bytes)
5. Re: [TowerTalk] Concrete Base? (score: 1): Author: Jan Erik Holm <sm2ekm@telia.com>; Date: Sun, 14 Nov 2004 17:41:09 +0100; It depends on the type of concrete. You must ask the concrete company what the cureing time is for the specific concrete you did buy. That´s how it works in Sweden and I´m sure it´s; /archives//html/Towertalk/2004-11/msg00389.html (10,922 bytes)
6. Re: [TowerTalk] Concrete Base? (score: 1): Author: "Pat Chiles" <chilesp@adelphia.net>; Date: Sun, 14 Nov 2004 11:49:27 -0500; I just put a UST HD 555 up about two days ago. The UST documentation said that the cement reached it maximum strength after curing 28 days. My neighbor who owns a construction company, that does lot; /archives//html/Towertalk/2004-11/msg00390.html (9,527 bytes)
7. Re: [TowerTalk] Concrete Base? (score: 1): Author: "Jim Lux" <jimlux@earthlink.net>; Date: Sun, 14 Nov 2004 08:51:54 -0800; It's mostly a matter of risk management. The concrete is fairly strong in 24-48 hrs, and won't reach its ultimate strength for weeks, months, or years. Presumably, the footing was designed to take lo; /archives//html/Towertalk/2004-11/msg00391.html (9,041 bytes)
8. Re: [TowerTalk] Concrete Base? (score: 1): Author: Tom Anderson <WW5L@gte.net>; Date: Sun, 14 Nov 2004 11:44:15 -0600; Ted: When I put in the 4x4x6 base for my freestanding WT51 TriEX crankup 12 years ago I let the base cure a month and periodically sprinkled it with water to keep it from drying out too fast (since I; /archives//html/Towertalk/2004-11/msg00392.html (10,208 bytes)
9. Re: [TowerTalk] Concrete Base? (score: 1): Author: "w9ge" <finger@goeaston.net>; Date: Sun, 14 Nov 2004 12:50:28 -0500; Concrete reaches maximum strength after a cure of about 30 days. No way I would do anything for at least two weeks, and if the tower is loaded I would wait the thirty days. Not a safety issue but a l; /archives//html/Towertalk/2004-11/msg00393.html (9,705 bytes)
10. Re: [TowerTalk] Concrete Base? (score: 1): Author: Joe - WDØM <WD0M@centurytel.net>; Date: Sun, 14 Nov 2004 10:58:05 -0700; OK - the concrete in the Hoover dam is still curing...but it's in use. ;-) Check with the local concrete authorities and get their professional advice, rather than ask for opinions from users of the; /archives//html/Towertalk/2004-11/msg00394.html (9,093 bytes)
11. RE: [TowerTalk] Concrete Base? (score: 1): Author: "Hank Lonberg" <kr7x@comcast.net>; Date: Sun, 14 Nov 2004 11:11:24 -0800; That was a good thing to do. My standard specifications for concrete work requires that: Flat work - slabs and foundations can be stripped after 7 days of curing and loaded with component dead load o; /archives//html/Towertalk/2004-11/msg00395.html (12,139 bytes)
12. Re: [TowerTalk] Concrete Base? (score: 1): Author: Pete Smith <n4zr@contesting.com>; Date: Sun, 14 Nov 2004 12:32:04 -0500; But this is a self-supporting tower, isn't it? Strength of the concrete is a much bigger concern than in a guyed tower. I've read (here, I think) that it takes 2-4 weeks for concrete to reach its ful; /archives//html/Towertalk/2004-11/msg00396.html (10,034 bytes)
13. Re: [TowerTalk] Concrete Base? (score: 1): Author: "Guy Olinger, K2AV" <olinger@bellsouth.net>; Date: Sun, 14 Nov 2004 14:58:03 -0500; I agree. The professional foundation guy that did mine (my contractor son-in-law dug him up for me) said two or three weeks kept wet before loading it. As he put it, "For that much money, why take ri; /archives//html/Towertalk/2004-11/msg00397.html (12,486 bytes)
14. RE: [TowerTalk] Concrete Base? (score: 1): Author: "Keith Dutson" <kjdutson@earthlink.net>; Date: Sun, 14 Nov 2004 14:31:13 -0600; I would wait a week, or longer if you are not in a rush. Keith NM5G Hello All, I have a question regarding tower base concrete. How long should concrete cure after pouring to be safe to install a cra; /archives//html/Towertalk/2004-11/msg00399.html (9,541 bytes)
15. Re: [TowerTalk] Concrete Base? (score: 1): Author: Cqtestk4xs@aol.com; Date: Sun, 14 Nov 2004 18:14:42 EST; I believe the time necessary for concrete to cure to it's specified strength at normal temperatures (not Tok, Alaska) is four weeks. I have seen guys pour and put the sticks up the next day. I wouldn; /archives//html/Towertalk/2004-11/msg00401.html (8,072 bytes)
16. Re: [TowerTalk] Concrete Base? (score: 1): Author: "RICHARD BOYD" <ke3q@msn.com>; Date: Wed, 17 Nov 2004 19:48:20 -0500; I remember when this discussion came up some years back some professional concrete guys told us that the concrete, unless it was an extra wet mix, cured to 80-90% of its ultimate strength within 24-4; /archives//html/Towertalk/2004-11/msg00477.html (13,002 bytes)
17. Re: [TowerTalk] Concrete Base? (score: 1): Author: "Kelly Taylor" <ve4xt@mb.sympatico.ca>; Date: Wed, 17 Nov 2004 19:02:49 -0600; Isn't it one of LXC's tips to order 4,000 psi, which cures to 3,000 psi rather quickly? I forget the exact times, but it seemed that ordering stronger concrete than you need shaved considerably the w; /archives//html/Towertalk/2004-11/msg00478.html (15,274 bytes)
18. Re: [TowerTalk] Concrete Base? (score: 1): Author: W0UN -- John Brosnahan <shr@swtexas.net>; Date: Wed, 17 Nov 2004 19:21:26 -0600; At 06:48 PM 11/17/2004, RICHARD BOYD wrote: I remember when this discussion came up some years back some professional concrete guys told us that the concrete, unless it was an extra wet mix, cured to; /archives//html/Towertalk/2004-11/msg00479.html (11,395 bytes)
19. Re: [TowerTalk] Concrete Base? (score: 1): Author: "Alan NV8A (ex. AB2OS)" <nv8a@att.net>; Date: Wed, 17 Nov 2004 20:24:16 -0500; But if the tower manufacturer's spec. already calls for 4,000 psi concrete (for example), shouldn't one wait until it has come pretty close to 4,000 psi before imposing the full load on it? Alan NV8A; /archives//html/Towertalk/2004-11/msg00480.html (10,723 bytes)
20. Re: [TowerTalk] Concrete Base? (score: 1): Author: k2qmf@juno.com; Date: Wed, 17 Nov 2004 20:37:52 -0500; Many Thanks to all that responded to my request for info on concrete curing time. I have had some nights below freezing, which slows the curing time. So I will wait the 28 days just to be sure. Unfor; /archives//html/Towertalk/2004-11/msg00481.html (16,493 bytes)

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