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Re: 1997 UBC 1630.1.1

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vertical loads are applied in the vertical direction, and horizontal loads
are applied in the horizontal direction.







Al Grathwol <AGrathwol(--nospam--at)BoyleEngineering.com> on 07/13/99 02:01:57 PM

Please respond to seaint(--nospam--at)seaint.org
                                                                           
                                                                           
                                                                           


                                                              
                                                              
                                                              
 To:      "'SEAOC List'" <seaint(--nospam--at)seaint.org>                  
                                                              
 cc:      (bcc: Martin W. Johnson/EQE)                        
                                                              
                                                              
                                                              
 Subject: 1997 UBC 1630.1.1                                   
                                                              








Equation 30-1 combines the effects of horizontal and vertical earthquake
loads.  However, the code fails to indicate how the combined load is to be
applied for purposes of design.  Are we to infer that this combined force
is
supposed to be applied in the horizontal direction only?
It's not clearly stated in the code.