北京地铁17号线01标(施工测量方案)

北京地铁17号线01标施工测量方案

中铁十六局集团有限公司

北京地铁17号线01标项目经理部

二〇一六年二月

目录

一、编制依据 _______________________________________________________________________ 1

二、工程概况 _______________________________________________________________________ 1

2.1、未来科技城南区站_________________________________________________________ 1

2.2、未来科技城北区站_________________________________________________________ 2

2.3、天未区间盾构井～未来科技城南区站区间 __________________________________ 2

2.4、未来科技城南区站～未来科技城北区站区间 ________________________________ 2

2.5、未来科技城北区站～终点区间_____________________________________________ 3

三、施工测量仪器及程序 ____________________________________________________________ 3

3.1施工测量仪器_______________________________________________________________ 4

3.2施工测量程序_______________________________________________________________ 4

四、控制测量 _______________________________________________________________________ 5

4.1控制测量要求_______________________________________________________________ 5

4.2控制测量原则_______________________________________________________________ 6

4.3地上控制测量_______________________________________________________________ 6

4.4地下控制测量_______________________________________________________________ 7

4.5盾构区间控制测量 __________________________________________________________ 9

4.6井上井下联系测量 __________________________________________________________ 9

4.7井上井下高程传递测量____________________________________________________ 10

4.8趋近导线和趋近水准测量__________________________________________________ 11五．施工测量 _____________________________________________________________________ 12

5.1明挖段施工测量__________________________________________________________ 12

5.2暗挖段施工测量__________________________________________________________ 14

5.3盾构施工测量_____________________________________________________________ 14

5.4联络通道的施工测量 ______________________________________________________ 20

六、贯通测量 _____________________________________________________________________ 20

6.1贯通误差分析_____________________________________________________________ 20

6.2误差的分析和精度控制____________________________________________________ 21

6.3平面测量误差的分析 ______________________________________________________ 21

6.4高程测量误差分析 ________________________________________________________ 22

七、竣工测量 _____________________________________________________________________ 23

7.1线路中线点恢复测量 ______________________________________________________ 23

7.2隧道净空断面测量 ________________________________________________________ 23

八、测量管理 _____________________________________________________________________ 23

九、施工测量技术的保障措施_____________________________________________________ 24