DB43/T 2449-2022 公路隧道监控量测技术规程

ICS93.080

CCSP66

43

湖南省地方标准

DB43/T2449—2022

公路隧道监控量测技术规程

Technicalcodeformonitoringmeasurementofroadtunnel

2022-11-10发布2023-02-10实施

湖南省市场监督管理局发布

DB43/T2449—2022

目次

前言························································································································Ⅲ

1范围·····················································································································1

2规范性引用文件······································································································1

3术语和定义············································································································1

4基本规定···············································································································2

5监控量测技术及要求································································································2

5.1监控量测要求···································································································2

5.2监控量测断面及测点布置····················································································3

5.3监控量测频率···································································································6

5.4监控量测安全管理等级·······················································································6

5.5监控量测系统技术要求·······················································································7

6监控量测方法·········································································································7

6.1一般规定·········································································································7

6.2变形监控量测···································································································7

6.3应力、应变监控量测··························································································8

6.4压力监控量测···································································································8

6.5爆破振动监控量测·····························································································8

6.6地下水监控量测································································································8

7数据分析及信息反馈································································································8

7.1一般规定·········································································································8

7.2监控量测数据分析处理·······················································································9

7.3监控量测信息反馈·····························································································9

8监测成果···············································································································9

附录A（资料性）洞内外观察记录表···········································································11

附录B（资料性）隧道周边位移试验检测记录表（全站仪）·············································12

附录C（资料性）隧道周边位移试验检测记录表（收敛计）·············································13

附录D（资料性）隧道拱顶下沉试验检测记录表（全站仪）·············································14

附录E（资料性）隧道拱顶下沉试验检测记录表（水准仪）·············································15

附录F（资料性）隧道围岩变形监测记录表（全站仪）···················································16

参考文献··················································································································17

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DB43/T2449—2022

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DB43/T2449—2022

前言

本文件按照GB/T1.1—2020《标准化工作导则第1部分：标准化文件的结构和起草规则》的规

定起草。

请注意本文件的某些内容可能涉及专利。本文件的发布机构不承担识别专利的责任。

本文件由湖南省交通运输厅提出并归口。

本文件起草单位：湖南省高速公路集团有限公司、湖南省龙琅高速公路建设开发有限公司、湖南省

交通建设质量安全监督管理局、湖南致力工程科技有限公司、上海同望信息技术有限公司、中南大学、

中交路桥建设有限公司、湖南省特种设备检验检测研究院娄底分院。

本文件主要起草人：李海波、龚毅、鲁云岗、吕健鸣、邓亮、赵一林、吴五星、马晴、刘永贵、侯

俊敏、刘荣国、李彪、张东兴、鲁光银、阳军生、杨雄、张家松、张升彪、袁丹、罗显良、党权交、刘

让群、祝志恒、傅金阳、曾智力。

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DB43/T2449—2022

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DB43/T2449—2022

公路隧道监控量测技术规程

1范围

本文件规定了公路隧道监控量测技术及要求、监控量测方法、数据分析及信息反馈、监测成果等。

本文件适用于新建公路隧道监控量测，改扩建公路隧道监控量测可参照执行。

2规范性引用文件

下列文件中的内容通过文中的规范性引用而构成本文件必不可少的条款。其中，注日期的引用文件，

仅该日期对应的版本适用于本文件；不注日期的引用文件，其最新版本（包括所有的修改单）适用于本

文件。

GB6722爆破安全规程

GB50026工程测量标准

JTG/T3660—2020公路隧道施工技术规范

T/CSEB0008爆破振动监测技术规范

3术语和定义

下列术语和定义适用于本文件。

3.1

监控量测monitoringmeasurement

对隧道支护结构、围岩和地表的变形和稳定状态进行的持续性观察和量测工作。

3.2

周边位移convergenceoftunnelinnerperimeter

隧道洞壁上两点间相对位置的变化。

3.3

拱顶下沉crownsettlement

隧道拱顶测点的竖向位移量。

3.4

拱脚下沉archsettlement

隧道拱脚测点的竖向位移量。

3.5

地表沉降settlementsubsidence

隧道施工扰动围岩引起的地表沉降量。

3.6

变形监控量测deformationmeasurement

对隧道结构或围岩位移所进行的监控量测工作。

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3.7

安全管理等级safetymanagementlevel

根据风险大小对隧道结构和围岩安全管理的分级。

3.8

智能监测方法Intelligentmonitoringmeasurement

综合计算机技术、通信技术及传感器等构建的监控量测系统，实现监测数据的智能采集、传输、处

理、查询及浏览、预警及信息反馈等工作。

3.9

人工监测方法manualmonitoringmeasurement

测量人员利用测量设备对隧道支护结构、围岩和地表的形变进行的持续性观察和量测工作。

4基本规定

4.1.1监控量测实施机构应具备行业主管部门认可的资质，配备行业主管部门认可的专业人员，拥有

满足相应要求的设备和技术。

4.1.2监控量测仪器设备在使用前及使用过程中应进行定期的检查、校对和率定。

4.1.3监控量测实施前应根据设计文件编制监控量测实施方案，经监理单位、建设单位批准方可实施。

4.1.4对监控量测人员人身安全存在高风险的隧道监控量测工作应采用智能监控量测方法。

4.1.5监控设备和测点应具备警示标识。

5监控量测技术及要求

5.1监控量测要求

5.1.1监控量测项目应分为必测项目和选测项目，必测项目及设备应按表1确定。

表1监控量测必测项目及设备

序号监控量测项目常用量测仪器测试精度备注

1洞内、外观察钢卷尺、数码相机、罗盘仪-开挖后进行

水准仪、铟钢尺

2拱顶下沉全站仪

智能监控量测方法0.5mm（预留变形量≤30mm）；

-

收敛计1mm（预留变形量＞30mm）

3周边位移全站仪

智能监控量测方法

水准仪、铟钢尺洞口段、浅埋段（h≤2.5B），

每洞口不少于2断面，每断面

4地表沉降全站仪0.5mm不少于3测点

智能监控量测方法根据需求专门制定方案

水准仪、铟钢尺

软弱围岩、富水破碎带等特殊

5拱脚下沉全站仪0.5mm

岩土地段

智能监控量测方法

注：智能监控量测方法的设备测试精度应不低于人工监控量测方法。

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5.1.2应根据设计要求、隧道断面形状和大小、埋深、围岩条件、周边环境、施工工法等条件选择选

测参数，选测项目及设备可按表2选择。

表2监控量测选测项目及设备

序号监控量测项目常用量测仪器测试精度备注

1围岩压力压力盒0.01MPa每代表性地段1-2断面，每断面3-7个测点

钢筋计0.1MPa每代表性地段1-2断面，每断面3-7对测点

2拱架内力及外力

应变计0.1MPa每代表性地段1-2断面，每断面3-7个测点

4支护与衬砌间接触压力压力盒0.01MPa每代表性地段1-2断面，每断面3-7孔

5锚杆轴力钢筋计0.01MPa每代表性地段1-2断面，每断面3-7孔

6围岩内部位移单点、多点位移计0.1mm每代表性地段1-2断面，每断面3-7孔

7爆破振动爆破测振仪-临近建（构）筑物

8孔隙水压力水压计0.01MPa-

9水流量堰槽、流量计--

水准仪每代表性地段1-2断面，每断面3-7个测点

10地表形变全站仪0.5mm每代表性地段1-2断面，每断面3-7对测点

智能监控量测方法每代表性地段1-2断面，每断面3-7对测点

5.1.3监控量测工作可根据地质预报结果和开挖后揭露的地质条件及时增减选测项目。

5.2监控量测断面及测点布置

5.2.1监控量测项目和断面的选择应充分考虑围岩、施工工法和支护参数的变化，以下情况应增

加量测断面：

a）在围岩级别变化区域，尤其是岩性交界带处；

b）存在地质、地形偏压等地质条件复杂区段；

c）洞口段和浅埋段；

d）施工方案和支护参数发生变更的区段；

e）隧道出现塌方、涌水突泥等异常情况的区段。

5.2.2隧道地表沉降测点和隧道内周边位移、拱顶下沉测点应布置在同一断面里程，地表沉降监控量

测断面纵向间距按表3的要求布置，每个隧道沿轴向至少应布置两个量测断面。

表3地标沉降断面测点纵向间距

隧道埋深（H0）断面纵向间距（m）

2.5B＜H0视情况布设量测断面

B＜H0≤2.5B10～20

H0≤B5～10

注：H0为隧道埋深；B为隧道开挖宽度，下同。

5.2.3地表沉降测点横向间距宜为2m～5m。在隧道中线附近测点应适当加密，隧道中线两侧测量范

围应不小于2H0+2H+B，其测点布置如图1所示。小净距隧道和连拱隧道等特殊形式的隧道或地表建（构）

筑物对地表沉降有特殊要求时，量测间距应适当加密，范围应适当加宽。

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图1地表沉降断面横向测点布置示意图

5.2.4拱顶下沉测点和周边位移测点应布置在同一断面上，监控量测断面间距可按表4的要求布置。

拱顶下沉测点原则上应设置在拱顶轴线附近，当隧道跨度较大（三车道及以上）或存在偏压时，应结合

施工工法和地质条件在轴线两侧各增设至少一个测点。

表4周边位移、拱顶下沉监控量