Return to index: [Subject] [Thread] [Date] [Author]

Re: EIA/TIA-222-F

[Subject Prev][Subject Next][Thread Prev][Thread Next]
Section 7.2.4.5:  " A mat or slab foundation for a self-supporting
structure shall have a minimum safety factor against overturning of 1.5."

Neil Moore, S.E.




At 07:23 PM 09/25/2000 -0400, you wrote:
>Can anyone tell me if EIA/TIA-222-F provides criteria for stability of
>antenna foundations - specifically, required factors of safety against
>overturning and/or permissible amount that the foundation reaction can go
>outside the middle third (kern)? 
>
>I am reviewing a foundation submittal for an antenna tower. The submittal
>info states that the tower is designed per EIA/TIA-222-F for a 150 MPH basic
>wind speed. Reactions at the base of the tower are given and a foundation
>size is given. By my calculations, the foundation only works if the reaction
>is permitted to be outside the kern distance - I would like to know if there
>is a stated criteria for such design in the TIA standards. 
>
>
>William C. Sherman
>Camp Dresser & McKee, Inc.
>Denver, CO
>Phone: 303-298-1311
>Fax: 303-293-8236
>email: shermanwc(--nospam--at)cdm.com
>
>
>******* ****** ******* ******** ******* ******* ******* *** 
>*   Read list FAQ at: http://www.seaint.org/list_FAQ.asp 
>*   This email was sent to you via Structural Engineers 
>*   Association of Southern California (SEAOSC) server. To 
>*   subscribe (no fee) to the list, send email to 
>*   admin(--nospam--at)seaint.org and in the body of the message type 
>*   "join seaint" (no quotes). To Unsubscribe, send email 
>*   to admin(--nospam--at)seaint.org and in the body of the message 
>*   type "leave seaint" (no quotes). For questions, send 
>*   email to seaint-ad(--nospam--at)seaint.org. Remember, any email you 
>*   send to the list is public domain and may be re-posted 
>*   without your permission. Make sure you visit our web 
>*   site at: http://www.seaint.org 
>******* ****** ****** ****** ******* ****** ****** ********
> 


******* ****** ******* ******** ******* ******* ******* *** 
*   Read list FAQ at: http://www.seaint.org/list_FAQ.asp 
*   This email was sent to you via Structural Engineers 
*   Association of Southern California (SEAOSC) server. To 
*   subscribe (no fee) to the list, send email to 
*   admin(--nospam--at)seaint.org and in the body of the message type 
*   "join seaint" (no quotes). To Unsubscribe, send email 
*   to admin(--nospam--at)seaint.org and in the body of the message 
*   type "leave seaint" (no quotes). For questions, send 
*   email to seaint-ad(--nospam--at)seaint.org. Remember, any email you 
*   send to the list is public domain and may be re-posted 
*   without your permission. Make sure you visit our web 
*   site at: http://www.seaint.org 
******* ****** ****** ****** ******* ****** ****** ********