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RE: Concrete T-Beams

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On Fri, 3 Oct 1997, James Hagensen wrote:
> The equation for shear strength provided by concrete for nonprestressed
> members in ACI 318-95 (Equ. 11-3) utilizes the term bw for calculating
> the concrete shear strength.  The term bw is defined as the web width.
> Only the web can be utilized for shear strength.  

THis is correct.  For failure loads, it is difficult to enforce the 
slab to fail such that the beam gets the full T-section benefit.
This assumption simplifies the detailing requirements for beam-slab
connection.

-ravi sinha

------------------------------------------------------------------------------
Ravi Sinha, Ph.D.		email: rsinha(--nospam--at)gemini.civil.iitb.ernet.in
Assistant Professor		       rsinha(--nospam--at)civil.iitb.ernet.in
Department of Civil Engineering	       Phone: (91-22)-578-2545 Ext. 7336
IIT, Powai, Bombay - 400 076, India    Fax: (91-22)-578-3480, 578-3557