Anyone have advice/experience with placing a tower over/on a rock surface? Short of blasting a hole, that is... My QTH is very thin soil over solid shale surface, it's a hill mostly. _-_-WBear2GCR __
Yes, A LOT of experience at my qth! My 130 Rohn 45G tower rests on a pier pin on a Rohn 45 flat base on a very wide and long concrete base ranging from only 9 18 deep MAXIMUM! To spread out the stres
I have all tapered bottom pier pin bases with star guys and I never heard any noise or saw base movement. It is important that the concrete base can handle the downward force and that it will not sli
Whoa... a lot of information there, and many questions. Please keep in mind I am on the lower end of the learning curve, so some of what I say or ask may be total "newbie". - Does your "base" merely
Answers interspersed below in Blue... Whoa... a lot of information there, and many questions. Please keep in mind I am on the lower end of the learning curve, so some of what I say or ask may be tota
So much for Blue.... :-) Trying again with ## in front of my responses.... Whoa... a lot of information there, and many questions. Please keep in mind I am on the lower end of the learning curve, so
I have all tapered bottom pier pin bases with star guys and I never heard any noise or saw base movement. It is important that the concrete base can handle the downward force and that it will not sli
A little confusing to me what "solid shale" means. If it really is shale (from what I know as shale in WPA, OH) then a carbide tipped drill will make quick work of drilling holes big enough and deep
On 10/13/2017 3:33 PM, Grant Saviers wrote: A little confusing to me what "solid shale" means. If it really is shale (from what I know as shale in WPA, OH) then a carbide tipped drill will make quick
You really need to bite that bullet. Shales have a wide range of strength and you need to know exactly both the compressive and tensile strength of your particular shale. this stuff is a step down fr
It is probably less money just to jackhammer the hole(s) to the factory specifications. My house in Aruba had very hard rock/coral ground and the holes were put in by hand by a local using this metho
Author: "J. Hunt via TowerTalk" <towertalk@contesting.com>
Date: Sat, 14 Oct 2017 01:59:37 +0000 (UTC)
Interesting discussion. The guy post holes were bored out with Bobcat with attachments. About 2' topsoil, then 5' into rock. The post holes.... >7' depth, >3' width. Tower base, ~5' depth, with about