杭瑞高速公路（贵州境）遵义至毕节段新建设工程实施性施工组织设计

                   22 合同段

1  

       石方路堑开挖施工工艺框图（见表

 

 

    5-1

       ）

                                                                                     

 

 

..................................................................................

 

    

   1      

2  

       路基填筑施工工艺框图（见表

 

 

    5-2

       ）

                                                                                             

 

 

..........................................................................................

 

    

   2      

3  

       桥梁钻孔桩施工工艺框图（见表

 

 

    5-3

       ）

                                                                                         

 

 

......................................................................................

 

    

   2      

4      后张法预应力梁预制施工工艺框图（见表

 

 

    5-4

       ）

                                                                        

 

 

.....................................................................

 

    

   3      

5      

 

后张法预应力空心板梁施工

 

 

   

   (      见图

 

 5-5)

 

                                                                                       

 

 

......................................................................................

 

    

   4      

6      

 

汽车吊架梁

 

 

   

   (      见图

 

 5-6)

 

                                                                                                                    

 

 

...................................................................................................................

 

    

   4      

7      架桥机架梁施工工艺框图（见表

 

 

    5-7

       ）

                                                                                         

 

 

......................................................................................

 

    

   4      

8      、隧道总体施工工艺框图（见表

 

 

    5-8

       ）

                                                                                         

 

 

......................................................................................

 

    

   5      

9      

 

、 管棚超前支护施工工艺框图（见表

 

 

   

   5-9

       ）

                                                                             

 

 

..........................................................................

 

    

   6      

10

       、湿喷砼施工工艺框图（见表

 

 

    5-10

 

     ）

                                                                                             

 

 

..........................................................................................

 

    

   6      

11

       、二次衬砌施工工艺框图（见表

 

 

    5-11

 

     ）

                                                                                         

 

 

......................................................................................

 

    

   6      

12

       、防水层施工工艺框图（见表

 

 

    5-12

 

     ）

                                                                                             

 

 

..........................................................................................

 

    

   7      

13

       、水泥砼路面施工工艺框图（见表

 

 

    5-13

 

     ）

                                                                                     

 

 

..................................................................................

 

    

   7      

14

       

 

、 安全设施施工方案（见表

 

 

   

   5-14

 

     ）

                                                                                             

 

 

..........................................................................................

 

    

   7      

表

5  主要分项工程施工工艺框图

1    石 方 路 堑 开 挖 施 工 工 艺 框 图 （ 见 表 5-

1 ）

1.1施工准备：测量放样，清除非适用材料，机械开挖爆破工作平台。

1.2 机械钻孔：采用潜孔钻机分台阶平行钻孔施工，钻孔倾斜度按 75°控制

孔深根据需要在

4 ～ 8m之间。

1.3清孔装药：采用空压机送风清孔，爆破工按设计的结构形式装药，每人

安装一种段别的微差雷管及导爆索，上部用黄泥封孔。

1

中铁十七局集团第一工程有限公司遵毕高速公路 22 合同段项目经理部