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Total 6 documents matching your query.

1. [TowerTalk] FW: More crank-up questions (score: 1): Author: "Matt" <km5vi@flukey.cc>; Date: Sun, 1 Dec 2013 00:44:49 -0600; Regarding the 3.5x3.5x7.5 base dimension, a copy of Tri-ex hand calculations dated from 1965 shows the assumption was 4,660 psi soil bearing strength @ 7' below grade and 1,550 @ 28" below grade. The; /archives//html/Towertalk/2013-12/msg00002.html (9,907 bytes)
2. Re: [TowerTalk] FW: More crank-up questions (score: 1): Author: Ken <wa8jxm@gmail.com>; Date: Sun, 1 Dec 2013 08:17:17 -0500; It is interesting how base requirements have changed over the years. Back in 1970, I had a 64' freestanding aluminum tower (Heights) with a tribander on it and other antennas. All the manufacturer sp; /archives//html/Towertalk/2013-12/msg00006.html (8,002 bytes)
3. Re: [TowerTalk] FW: More crank-up questions (score: 1): Author: "Roger (K8RI) on TT" <K8RI-on-TowerTalk@tm.net>; Date: Sun, 01 Dec 2013 09:31:06 -0500; Thanks Matt 73 Roger (K8RI) Steel concrete reinforcement is double #5's at the corners and midway on each side (16 total). The vertical corner bars are tied together with #3 horizontal square loops a; /archives//html/Towertalk/2013-12/msg00007.html (8,475 bytes)
4. [TowerTalk] FW: More crank-up questions (score: 1): Author: "Matt" <km5vi@flukey.cc>; Date: Sun, 1 Dec 2013 12:23:17 -0600; welded instead of tied. good enough for the manufacturer, then it's good enough for me. Be aware that normal grade rebar should not be welded - the heat destroys its strength. There is a separate gr; /archives//html/Towertalk/2013-12/msg00013.html (8,556 bytes)
5. [TowerTalk] FW: More crank-up questions (score: 1): Author: "Matt" <km5vi@flukey.cc>; Date: Sun, 1 Dec 2013 12:38:03 -0600; You are correct Ken - the discussion is mostly academic, but an area of my personal interest. Matt KM5VI anyone aware of a tower base failure due to strength of the concrete or lack of rebar? (Except; /archives//html/Towertalk/2013-12/msg00015.html (9,028 bytes)
6. Re: [TowerTalk] FW: More crank-up questions (score: 1): Author: "Roger (K8RI) on TT" <K8RI-on-TowerTalk@tm.net>; Date: Sun, 01 Dec 2013 13:45:47 -0500; I have the wire, but it's a whale of a lot easier to weld it. If it's good enough for the manufacturer, then it's good enough for me. Be aware that normal grade rebar should not be welded - the heat; /archives//html/Towertalk/2013-12/msg00016.html (9,835 bytes)

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