[TowerTalk] Anchor Bolt Material

[ve4xt at mymts.net]

Just trying to help. It seems you have only a few choices, some which may be unpalatable..

1) use larger bolts to fit the holes and find a way to make them work. (Enlarge the mating holes on the base? Or could you use "bolts" that are custom-welded so you have, say, 2-3/8" shafts in the holes and the correct size threaded bits sticking out of the concrete?)
2) position the base on the pad to allow new holes to be drilled into the concrete the correct size for the bolts. Does the base have to go exactly where it had been?
3) pour a new base somewhere else on the property.

Without resorting to No. 3, it seems 1, 2 or some combination thereof are your only possibilities.

73,
Kelly


Sent from my iPad

> On Oct 15, 2014, at 12:09 AM, "Marv Shelton" <marvs at att.net> wrote:
> 
> the base is designed for 1-1/8 bolts.
> 
> Sent from my iPad
> And YES it's cool!
> 
>> On Oct 14, 2014, at 9:36 PM, <ve4xt at mymts.net> <ve4xt at mymts.net> wrote:
>> 
>> Use larger bolts?
>> 
>> Just sayin'
>> 
>> 73, Kelly
>> Ve4xt
>> 
>> Sent from my iPad
>> 
>>> On Oct 14, 2014, at 11:00 PM, "Marv Shelton" <marvs at att.net> wrote:
>>> 
>>> I asked a PE at work and since the holes are so much bigger than the bolt. ( the holes are 2.5" diameter, the bolts only 1.125") he said the rated strength of the epoxy is only good if the hole is no more than a half inch bigger in diameter than the bolt. I confirmed this by talking to one of the epoxy product manufacturers.
>>> 
>>> Sent from my iPad
>>> And YES it's cool!
>>> 
>>>>> On Oct 14, 2014, at 8:23 AM, K7LXC at aol.com wrote:
>>>>> 
>>>>> Anchor bolt update:
>>>> Thanks for all the input everyone. It looks like epoxy, or at least commercial grade stuff dispensed with a caulking gun is out as a potential solution. It seems like the holes I made are too big.
>>>> So now I am looking at anchoring cement and trying to talk to industrial contractors to see if there is another alternative.
>>>> 
>>>>      So how did you determine that your new holes won't work for putting in your anchor bolts? The epoxy is stronger than the concrete so it seems to me that's it's a non-issue. Are you over-thinking this?
>>>> 
>>>> Cheers,
>>>> Steve     K7LXC
>>>> TOWER TECH -
>>>> Professional tower services for amateurs
>>>> Cell: 206-890-4188
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