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# Re: Beam design

• To: seaint(--nospam--at)seaint.org
• Subject: Re: Beam design
• From: Nacionales Alex <acnacionales(--nospam--at)yahoo.com>
• Date: Tue, 24 Jan 2006 16:11:47 -0800 (PST)

Axial forces (<0.10*Ag*Fc') on beams are usually small on building frames and therefore can be safely neglected to simplify computations. On the other hand, one can easily create a spreadsheet or mathcad worksheet to automate the process if desired.

Alex Nacionales

Santhosh Kumar Yedidi <sant527(--nospam--at)gmail.com> wrote:
Dear Sherman,

procedure of how to do beam design with axial force. I am working in a
consulting firm. We analyze any frame structure using staad. After
staad analysis, we get the member end forces. All member end forces
also contain an axial component irrespective of being a beam or
column. So all beams contain an axial component. Then our beam theroy
is not so useful. because codes give charts only for bending moment
capacity.

axial force. Can you suggest some generalization, which would help me
to design the beams using beam theory rather than again analysing each
beam seperately for combined axial and moment.

On 1/10/06, Sherman, William wrote:
>
> Bill Cain: that is an unfair comment. Rizmirza provided a valid response
> relating to concrete design for flexure and axial loads - I didn't learn
> that method in school, but learned it "on the job". And a "basic structural
> analysis course" will not tell you how to design steel or concrete for such
> combined loads if it only covers "analysis".
>
> Santhosh: you need to be clearer about what you are asking. Are you looking
> for detailed methods for a given material vs general analysis of combined
> loads? Are you talking about steel design or concrete design or another
> more detail of what you want to determine.
>
>
> William C. Sherman, PE
> (Bill Sherman)
> CDM, Denver, CO
> Phone: 303-298-1311
> Fax: 303-293-8236
> email: shermanwc(--nospam--at)cdm.com
>
>
>
>
> ________________________________
> From: bcainse(--nospam--at)aol.com [mailto:bcainse(--nospam--at)aol.com]
> Sent: Tuesday, January 10, 2006 12:20 AM
> To: seaint(--nospam--at)seaint.org
> Subject: Re: Beam design
>
>
>
>
>
> Santhosh-
> I would strongly advise you to enroll immediately in a basic structural
> analysis course. This question is too basic for you to be doing any design
> work.
> Regards,
> Bill Cain, S.E.
> Berkeley CA
>
> -----Original Message-----
> From: Santhosh Kumar Yedidi
> To: seaint(--nospam--at)seaint.org
> Sent: Tue, 10 Jan 2006 11:08:18 +0530
> Subject: Re: Beam design
>
>
> Exactly this is the answer I am waiting for, but then when you do a
> frame analysis all the members have axial force value. So then
> everything has to be designed as a column only. Thats why I was asking
> this question.
>
> On 1/9/06, David Topete wrote:
> > Turn the beam 90 degrees and it becomes a column with bending.
> >
> > Santhosh Kumar Yedidi wrote:
> > How to do beam design with axial forces acting.
> >
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