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

Re: "X" Bracing

[Subject Prev][Subject Next][Thread Prev][Thread Next]
Limitations against all tension X bracings are valid
for building more than 3 stories high. Your structure
being in zone 4, I suggest you add some redundancy in
your system. Watch that Rods are known to yield during
large earthquakes.


--- Larry Hauer <lrhauer(--nospam--at)earthlink.net> wrote:
> I have been asked to provide engineering services
> for the expansion of an older prefab metal building
> with existing "X" braced tie rods for the lateral
> load carrying system. Somewhere I remember hearing
> the this type of lateral resisting system has fallen
> out of favor, and that tension only "X" bracing may
> no longer be allowed, although I couldn't find any
> such restriction during a quick look in the 1997
> UBC. Does anyone have any information on "tension
> only" "X" bracing in seismic zone 4?
>  Thanks in advance,
> 
>  Larry Hauer, S.E.
> 
> 


__________________________________________________
Do You Yahoo!?
Yahoo! Auctions - buy the things you want at great prices
http://auctions.yahoo.com/

* 
*   This email was sent to you via Structural Engineers 
*   Association of Southern California (SEAOSC) server. To 
*   subscribe (no fee) or UnSubscribe, please go to:
*
*   http://www.seaint.org/sealist1.asp
*
*   Questions 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