Проектирование монолитного железобетонного перекрытия производственного здания (длина здания - 32 м, ширина здания - 13,6 м), страница 7

                                                                           10874.6                             11570.4

19688.7                                         19688.7

          20222.9                20222.9

                                                              22097.1

                          27862.6

                                                                                                      13489.2

12736.3

                                                                                                                    7228

                      1513.8       Å

                                         4948.55           1+3    Å                                    Å           966.8

                          7719.7                                                                                 5294.4

7335.5                              9708.7                

                                                 9011

19560.77    21830.07

                                                                                                 20931.2

                                                                                                        18266

                         27862.6

                                                                                                                  9708.7

                                                                        5294.4                       Å

              4948.5

                                                                1+4     Å                                   Å

                                                                             966.8                      1513.8

6901

                  7335.5

9011                                                                      7228

                                                        12873.9                                                12736.3

                                   15229.9                                            13489.2

Эпюра  1+2 имеет  максимальный  момент  на  опоре  В.  Введение  шарнира  пластичности  уменьшает  момент  на  опоре  В  до  30%.

 

                  2684.31                                                              2684.31

                          5368.62                                     5368.62

                                       8052.93                   8052.93

                                                          10737.24

Сложим  с  эпюрой (1+2 )

                                                                   25053.56

                                                                                                                                     (1+2 )*

                                                         9801.1

                        22373                                                               22373                                                            

                                     25591.52                            25591.52         

     Далее  строим  огибающую  эпюру  моментов.  Для  этого  используем   эпюру

( 1+2 )*, 1+3, 1+4                                      27862.6

                                                                   25053.56

                                      4948. 5                    4948.5

 

                                                                                                                     (1+2 )*

                                     7335.5                                            7335.5

                              9011                  9801.1                    9011

                       22373                                                                 22373                                                            

                                     23181.21                            25591.21         

Построим  огибающую  эпюру по  поперечным  силам.

                     12736.3                 22097.1            13489.2