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1. [TowerTalk] 6000 psi grout (score: 1): Author: "Kurt Cathcart, KR2C" <Kurt@KuhlRoad.Net>; Date: Tue, 24 May 2011 09:50:27 -0400; I'm installing a US Tower MA40. The specifications call for filling the area between the base of the mast mount and the top of the concrete with high strength grout. What is this stuff and where woul; /archives//html/Towertalk/2011-05/msg00399.html (8,388 bytes)
2. Re: [TowerTalk] 6000 psi grout (score: 1): Author: "Wood, Marlon" <Marlon_Wood@kindermorgan.com>; Date: Tue, 24 May 2011 10:19:09 -0600; This is non-shrink structural grout, it typically provides compression strength for under the feet. Some towers include this in the structural design. You can buy at home improvement stores or over; /archives//html/Towertalk/2011-05/msg00408.html (7,064 bytes)
3. Re: [TowerTalk] 6000 psi grout (score: 1): Author: K7LXC@aol.com; Date: Tue, 24 May 2011 13:17:34 EDT; the area between the base of the mast mount and the top of the concrete with high strength grout. What is this stuff and where would I get it? Ahh, good question. What you want is NON-shrink outdoor; /archives//html/Towertalk/2011-05/msg00410.html (7,568 bytes)
4. Re: [TowerTalk] 6000 psi grout (score: 1): Author: "Mark Robinson" <markrob@mindspring.com>; Date: Wed, 25 May 2011 17:29:41 -0400; I will be interested to see what others have to say but maybe a 3:1 mortar mix would work. 6:1 is normal for brick work as you don't want the mortar to be harder than the brick but since this is bein; /archives//html/Towertalk/2011-05/msg00431.html (10,424 bytes)
5. Re: [TowerTalk] 6000 psi grout (score: 1): Author: "R. Kevin Stover" <rkstover@mchsi.com>; Date: Wed, 25 May 2011 17:45:19 -0500; As far as I can tell from the US Tower drawings the grout isn't structural. It's just filling the space between base plate and the concrete base as well as keeping water out. It does keep the levelin; /archives//html/Towertalk/2011-05/msg00433.html (9,819 bytes)
6. Re: [TowerTalk] 6000 psi grout (score: 1): Author: David Gilbert <xdavid@cis-broadband.com>; Date: Wed, 25 May 2011 16:13:42 -0700; I'm pretty sure the grout is indeed structural ... I believe it's there to help prevent the base plate from deforming. Dave AB7E _______________________________________________ ______________________; /archives//html/Towertalk/2011-05/msg00434.html (10,677 bytes)
7. Re: [TowerTalk] 6000 psi grout (score: 1): Author: David Gilbert <xdavid@cis-broadband.com>; Date: Wed, 25 May 2011 16:26:46 -0700; You can (to a point) get higher PSI by increasing the ratio of cement to sand, but I'm not sure I'd go all the way down to 3:1. I suspect that would be pretty brittle. The strongest concrete is where; /archives//html/Towertalk/2011-05/msg00436.html (12,344 bytes)
8. Re: [TowerTalk] 6000 psi grout (score: 1): Author: Steve Maki <lists@oakcom.org>; Date: Wed, 25 May 2011 19:30:19 -0400; I can't speak for US Tower, but on commercial towers it's been used as a waterproofing scheme, and has largely fallen out of favor because of water entrapment issues and it prevents the inspection of; /archives//html/Towertalk/2011-05/msg00438.html (11,276 bytes)
9. Re: [TowerTalk] 6000 psi grout (score: 1): Author: David Gilbert <xdavid@cis-broadband.com>; Date: Wed, 25 May 2011 16:53:07 -0700; I would agree that it could in practice generate as many problems as it tries to address, but it doesn't make sense to me that a manufacturer would specify 6,000 psi grout (roughly twice typical conc; /archives//html/Towertalk/2011-05/msg00439.html (12,148 bytes)
10. Re: [TowerTalk] 6000 psi grout (score: 1): Author: "Mark Robinson" <markrob@mindspring.com>; Date: Wed, 25 May 2011 20:15:31 -0400; If I wanted to protect the area from corrosion I would leave it open to the elements and coat everything with Waxoyl or something similar such as the stuff that automotive rustproofing companies like; /archives//html/Towertalk/2011-05/msg00440.html (13,733 bytes)
11. Re: [TowerTalk] 6000 psi grout (score: 1): Author: "Mike" <noddy1211@sbcglobal.net>; Date: Wed, 25 May 2011 17:23:34 -0700; Not at all structural, it is just to keep moisture out. The plate would never deform and it is not even to stop the lock nuts from backing out, there would not be much point in using lock nuts if the; /archives//html/Towertalk/2011-05/msg00441.html (11,523 bytes)
12. Re: [TowerTalk] 6000 psi grout (score: 1): Author: "Wood, Marlon" <Marlon_Wood@kindermorgan.com>; Date: Thu, 26 May 2011 13:19:31 -0600; I can think that leaves / debris could gather under the tower and hold some water, but also question why 6000psi grout would be spec'd for that use. The last solid-rod tower I bought from Valmont it; /archives//html/Towertalk/2011-05/msg00445.html (7,345 bytes)
13. Re: [TowerTalk] 6000 psi grout (score: 1): Author: "Jim McDonald" <jim@n7us.net>; Date: Sun, 29 May 2011 16:56:31 -0500; Is my assumption correct that using grout under a US Tower T-base makes it impossible to remove and reuse the T-base if the tower is relocated? Or does the T-base not adhere to the grout? My tower ha; /archives//html/Towertalk/2011-05/msg00458.html (8,260 bytes)
14. Re: [TowerTalk] 6000 psi grout (score: 1): Author: "Mike" <noddy1211@sbcglobal.net>; Date: Sun, 29 May 2011 16:07:08 -0700; The grout just knocks of and you can use the base again and again if you want to. -Mike --Original Message-- Is my assumption correct that using grout under a US Tower T-base makes it impossible to r; /archives//html/Towertalk/2011-05/msg00459.html (9,163 bytes)

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