高铁无碴轨道线下工程沉降变形观测评估工作报告

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线下工程沉降变形观测 (CKGZTJ-12-01)

工 作 报 告

评估里程: D1K934+200~D1K936+826及

D1K936+873~D1K943+290段

评估类型: 无砟轨道铺设条件 评估编号: CKGZTJ-12-01

中铁二十二局集团有限公司沪昆客专贵州段工程指挥部

二〇一四年九月

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线下工程沉降变形观测

工 作 报 告

编 制: 复 核: 审 批:

中铁××××局集团有限公司沪昆客专贵州段工程指挥部

二〇一四年九月

.

目 录

一、编制目的 ................................................................................................................................... 1 二、编制依据 ................................................................................................................................... 1 三、编制范围 ................................................................................................................................... 1

3.1 评估段落 ........................................................................................................................... 1 3.2 评估的主要结构物 ........................................................................................................... 1 3.3 评估有关情况说明 ........................................................................................................... 2 四、工程概况 ................................................................................................................................... 2

4.1工程地质及水文地质概况 ................................................................................................ 2 4.2工程措施概况 .................................................................................................................... 4 五、变形监测网和工作基点布设 ................................................................................................... 5 六、人员与仪器配置 ....................................................................................................................... 6

6.1人员组成 ............................................................................................................................ 6 6.2仪器配备 ............................................................................................................................ 6 6.3人员资质 ............................................................................................................................ 8 七、测量等级及精度标准 ............................................................................................................... 8 八、观测方法、线路及评定标准 ................................................................................................... 9

8.1观测方法 ............................................................................................................................ 9 8.2观测线路及测点布置 ...................................................................................................... 10 8.3沉降评估评定标准 .......................................................................................................... 12 8.4观测点保护 ...................................................................................................................... 12 8.5观测点的测点类型编码及测点位置编号规则 .............................................................. 13 九、沉降观测数据采集及数据分析 ............................................................................................. 13

9.1自评小组组织机构 .......................................................................................................... 13 9.2沉降变形观测数据采集 .................................................................................................. 13 9.3沉降观测曲线图 .............................................................................................................. 18 9.4自评结果 .......................................................................................................................... 26 9.5特殊说明 .......................................................................................................................... 27

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