Page 114 - Civil Engineering Formulas
P. 114

= 1
                      = 1              y 2  3Pl  4bS s      3  l  h
             Formulas  y 2  +  3Pl  2bS s  3Pl  2bS s  +  2  3Pl  4bS s  Deflection at O:  Pl 3  1  EI  64  P  3  bE  16


                     x 2  2  l  2  =   x 2  l  2  =     =    =
                              h                h        f



           Elevation  and plan  Elevation:  ellipse  Major axis = l  Minor axis = 2h  Plan:  rectangle  Elevation:  ellipse  Plan:  rectangle







             Cross section 3. Supported at Both Ends, Load P Moving Across Span  Rectangle:  width (b) con-  stant, depth  (y) variable 4. Supported at Both Ends, Load P Uniformly Distributed Over l  Rectangle:  width (b) con-  stant, depth  (y) variable









                        h
                                            b   h
                    b    y                       y
             Beam         B  l  2                y  B  C  P

                         y
                            x                       x l  2
                                                    O
                        h
                                                h
                            O
                             l  2                2   l  2
                         2
                          A  h                   h
                                                  A






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