N

                                           Y 








水泥稳定土基层施工工艺框图




                   N




                                  Y






  N


                    Y











                                                     N

                                   

                                   Y





                                             


塑料排水板施工工艺框图







                                                    N


                          Y




















                                                 N



                           Y






后张法预应力梁施工工艺框图

                                                     N
                   Y                           Y


                            
           N                                             N

                               Y


                                            N
                                                 N
                     Y
                                       N

                                    Y








N
                Y
                                                         
                   

                       N

                                     Y




                                                      
                                        N                     

 
                 Y
 
通道施工工艺框图


  N
                              Y

                                                                         N
                                                 Y 


                                                    Y
 N                      N

                                    
                                                     Y

                                                                         N

         
        Y

                                                         Y
                                                             

     N
                  

                                       Y            
      &n

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