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Re: aci 318-02 appendix d

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Use a large value of c1.   What will happen is the other failure modes such
as concrete spall or concrete pryout will govern.

BTW - even though c1 is generally defined as the distance to the edge in
the direction of shear, I think in the case of a shear force parallel to an
edge, c1 would end up being the distance to the edge perpendicular to the
force.

Ed



                                                                                                                                       
                      "David Adie"                                                                                                     
                      <DavidA(--nospam--at)cplinc.com>      To: <seaint(--nospam--at)seaint.org>                                                                 
                      05/18/2005 12:03 PM                                                                                              
                      Please respond to        cc:                                                                                     
                      seaint                                                                                                           
                                               Subject:  aci 318-02 appendix d                                                         
                                                                                                                                       
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shear force parallel to an edge


D.6.2.1 - footnote c - recognizes the fact that c1 in psi 6 doesn't make
sense but equation D-21 includes Vb which still has c1 embedded in it.
what value to use when c1 = infinity?


tia
da








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