[TowerTalk] concrete bases for freestanding towers

[Adam Shirley WJ4X]

You've never heard of scour either have you? That's basically what it
is, except instead of a river eating away at your tower base, you have
groundwater doing the same thing...

73!
 -Adam




On 5/13/2011 12:04 PM, Doug Dietz wrote:
> I think this was written on april fools day
> On May 13, 2011, at 10:52 AM, Adam Shirley WJ4X wrote:
> 
>> Here's a fairly good article on it...
>>
>> http://www.iwaponline.com/nh/026/0125/0260125.pdf
>>
>> 73!
>> -Adam
>>
>>
>> On 5/13/2011 10:42 AM, K7LXC at aol.com wrote:
>>> In a message dated 5/13/2011 6:55:21 A.M. Pacific Daylight Time,
>>> towertalk-request at contesting.com writes:
>>>
>>>> My 40 HDBX has closer to 6 yards under it. It's a block 6.5
>>>    square, 6 ft
>>>    deep. The old Rohn drawings specified a 4' deep hole. I also have a yard
>>>    of gravel in the bottom of the hole to prevent ice lensing.
>>>
>>>        What's ice lensing? I couldn't find it in my dictionary. Tnx.
>>>
>>>    Cheers,
>>>    Steve    K7LXC
>>>
>>>
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> 
>