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why two span continuous beam has negative moment at support

why two span continuous beam has negative moment at support

why two span continuous beam has negative moment at support

(OP)
why two span continuous beam has negative moment at support  

RE: why two span continuous beam has negative moment at support

Because the top of the beam is in tension.

RE: why two span continuous beam has negative moment at support

Did you miss class that day??

RE: why two span continuous beam has negative moment at support

A two span beam has three supports.  Which one ya talkin' about?
Please keep your comment positive.

Mike McCann
MMC Engineering
http://mmcengineering.tripod.com
 

RE: why two span continuous beam has negative moment at support

Also what loading.....spans could be paritially loaded and not have full uniform load over both spans....

Regards,
Qshake
pipe
Eng-Tips Forums:Real Solutions for Real Problems Really Quick.
 

RE: why two span continuous beam has negative moment at support

M^2

I agree with keeping comments positive - but that is basic statics!!!

RE: why two span continuous beam has negative moment at support

(OP)
i knew the answer that, for conti.beam, maxm. -ve moment is at support. and it is due to why....but i am looking for very specific answer, which i have not received. (regardless of tension and comp. what that causing it negative moment.) but anyways, i found it from one of reference book...thanks for keeping my quesiton at basic....  

RE: why two span continuous beam has negative moment at support

luharr,

If you have a question you should ask all of it. You question asked nothing specific but you want a very specific answer. We cannot read your mind so how can we answer a question that is not asked.

All you have done is wasted our time no matter what Mike^2 may think.

No all we really want to know is what was the real question!

RE: why two span continuous beam has negative moment at support

MtE:

I think you missed my allusion here.  I was not referring to your answer about being "positive".  I was referring to statics, speaking with a forked tongue as usual.  bigsmile

Mike McCann
MMC Engineering
http://mmcengineering.tripod.com
 

RE: why two span continuous beam has negative moment at support

Sometimes - I can be very dense - just ask my wife

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