福建铁路客运专线无砟道岔首件作业指导书.docVIP

目录

一、编制依据......................................................................3二、工程概况......................................................................4三、适用范围......................................................................4四、施工准备......................................................................4

4.1内业准备..................................................................4

4.2外业准备..................................................................5五、技术要求......................................................................5

5.1无砟道岔结构设计..........................................................5

5.2技术标准..................................................................7

5.2.1测量标准................................................................7

5.2.2道床施工标准............................................................7

5.2.3道岔铺设标准............................................................7六、施工程序与工艺流程...........................................................11

6.1施工程序.................................................................11

6.2施工工艺流程.............................................................11七、首件段道岔施工工艺...........................................................12

7.1施工准备.................................................................12

7.1.1道岔装卸...............................................................12

7.1.2道岔组件储存...........................................................14

7.2测量放样.................................................................15

7.2.1路基上无砟道岔支承层施工前处理.........................................15

7.2.2测量定位和基表埋设.....................................................15

7.2.3路基段支承层施工.......................................................15

7.2.4路基段端梁范围底座施工.................................................16

7.2.5道岔道床施工...........................................................20

7.2.5.1测量放样.............................................................20