Page 211 - Pressure Vessel Design Manual
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Design of Vessel Supports   189

                                             hole dian  ieter













                                                                                     w







                                                                                     Double gusset












                                                             Q,  = Q sin 0
                                                             Qb = Q COS 0                           a = bearing
                                                                                                        width















                                           Figure 3-64.  Dimensions and forces on a lug support.


                         Design of Gussets                       Fb = 0.6F,.

                                                                     t c2
          Assume gusset thickness from Table 3-31                z="
                                                                       6
          Q', = Q sin 8

          Qt,  = Q  COS^
               b sin8
                                                                     Q
           C=-                                                   f, - a
                 2                                                 - nA
           A = t,C
                                                                     Mb
                                                                 fl,  = y
           F,, = 0.4F,
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