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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[TowerTalk\]\s+exploding\s+concrete\s*$/: 9 ]

Total 9 documents matching your query.

1. Re: [TowerTalk] exploding concrete (score: 1): Author: Jim Jarvis <jimjarvis@optonline.net>; Date: Sat, 15 Sep 2007 14:21:32 -0400; "The final analysis is that you must not, under any circumstance, permit an electric current to run through the concrete. Even if a good conductor is embedded in the concrete, a lightning strike will; /archives//html/Towertalk/2007-09/msg00526.html (8,175 bytes)
2. [TowerTalk] exploding concrete (score: 1): Author: "Dave Bowker" <dbowker@mail.sjv.net>; Date: Sat, 15 Sep 2007 14:56:29 -0400; An interesting article in MRT for April 1, 2007 > http://mrtmag.com/techspeak/radio_wellgrounded_principles/index.html < dealing with grounding of structures and downleads and the Ufer ground include; /archives//html/Towertalk/2007-09/msg00528.html (7,462 bytes)
3. Re: [TowerTalk] exploding concrete (score: 1): Author: David Gilbert <xdavid@cis-broadband.com>; Date: Sat, 15 Sep 2007 11:56:09 -0700; Jim, If I understand you correctly, there was a large shunt path to ground around the foundation (the 4 straps). Yet the lighting still apparently entered the foundation and generated cracks when it; /archives//html/Towertalk/2007-09/msg00529.html (9,559 bytes)
4. Re: [TowerTalk] exploding concrete (score: 1): Author: "David Robbins K1TTT" <k1ttt@arrl.net>; Date: Sat, 15 Sep 2007 19:06:56 +0000; That one was already quoted once in this thread... my only interesting observation on that one is that the damage is above ground, so its not current going from the rebar into the surrounding soil. T; /archives//html/Towertalk/2007-09/msg00530.html (9,100 bytes)
5. Re: [TowerTalk] exploding concrete (score: 1): Author: Jim Jarvis <jimjarvis@optonline.net>; Date: Sat, 15 Sep 2007 15:23:18 -0400; Dave, I dunno. Intuitively, I suppose it makes sense to provide a robust path around the foundation, as well as a static drain for the rebar cage. But I wouldn't want to use the rebar cage as my prim; /archives//html/Towertalk/2007-09/msg00532.html (10,695 bytes)
6. Re: [TowerTalk] exploding concrete (score: 1): Author: David Gilbert <xdavid@cis-broadband.com>; Date: Sat, 15 Sep 2007 12:24:31 -0700; I think that's the same article referenced here earlier by W9AC. And yes, the tower base by itself doesn't really qualify as a Ufer ground. The rebar cage, distributed throughout the foundation and l; /archives//html/Towertalk/2007-09/msg00533.html (8,794 bytes)
7. Re: [TowerTalk] exploding concrete (score: 1): Author: Jim Lux <jimlux@earthlink.net>; Date: Sat, 15 Sep 2007 14:55:55 -0700; _______________________________________________ TowerTalk mailing list TowerTalk@contesting.com http://lists.contesting.com/mailman/listinfo/towertalk; /archives//html/Towertalk/2007-09/msg00539.html (7,707 bytes)
8. [TowerTalk] Exploding Concrete (score: 1): Author: "Larry Burke" <wi5a@sbcglobal.net>; Date: Sat, 15 Sep 2007 16:58:36 -0500; This thread is destined for the TowerTalk Hall of Fame -- along with True North and Plastic Owls. Larry Burke WI5A _______________________________________________ ____________________________________; /archives//html/Towertalk/2007-09/msg00540.html (6,963 bytes)
9. Re: [TowerTalk] Exploding Concrete (score: 1): Author: Bob Smith <na6t@na6t.com>; Date: Sun, 16 Sep 2007 01:17:25 -0700; Amen, Bob Smith Robert Smith Consulting "Wireless Installations -- Government, Businesses & ISP's" F.C.C. Licensed-Commercial & Amateur Services A.R.S NA6T ARRL Life Member 1-707-964-4931 w/answering; /archives//html/Towertalk/2007-09/msg00547.html (8,050 bytes)

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