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Figure 4.6

             The strength conditions on a cut for the rivet rod
                                Q      4P
                                              ,           (4.13)
                           cut            2     cut
                               mF    m d
             where  P  –  the force acting in the connection;
                         d –   diameter of rivet rod;
                         m  –  the number of cut planes.
             From strength conditions we can find
                                       4P
                                n            .                      (4.14)
                                   m d  2    
                                            cut
             Strength crushing conditions
                                     P
                                           
                                           .                    (4.15)
                                cr            cr
                                    nd
             The required number of rivets counting upon crushing
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