GB50026-2020：工程测量标准

GB50026-2020······1

1 总则······15

2 术语、符号和缩略语······16

2.1 术语······16

2.2 符号······17

2.3 缩略语······21

3 平面控制测量······22

3.1 一般规定······22

3.2 卫星定位测量······23

3.3 导线测量······32

3.4 三角形网测量······40

3.5 自由设站测量······45

4 高程控制测量······47

4.1 一般规定······47

4.2 水准测量······47

4.3 电磁波测距三角高程测量······52

4.4 卫星定位高程测量······53

5 地形测量······55

5.1 一般规定······55

5.2 图根控制测量······61

5.3 测绘方法与技术要求······65

5.4 一般地区地形测图······81

5.5 城镇建筑区地形测图······82

5.6 工矿区现状图测量······83

5.7 水域地形测量······85

5.8 数字线划图······90

5.9 数字高程模型······100

5.10 数字正射影像图······102

5.11 数字三维模型······104

6 线路测量······106

6.1 一般规定······106

6.2 铁路、公路测量······107

6.3 架空索道测量······111

6.4 自流和压力管线测量······112

6.5 架空输电线路测量······114

7 地下管线测量······120

7.1 一般规定······120

7.2 地下管线探查······121

7.3 地下管线施测······124

7.4 地下管线图绘制······125

7.5 地下管线信息系统······126

8 施工测量······129

8.1 一般规定······129

8.2 场区控制测量······130

8.3 工业与民用建筑施工测量······133

8.4 水工建筑物施工测量······139

8.5 桥梁施工测量······142

8.6 核电厂施工测量······146

8.7 隧道施工测量······154

8.8 综合管廊施工测量······159

9 竣工总图的编绘与实测······162

9.1 一般规定······162

9.2 竣工总图的编绘······162

9.3 竣工总图的实测······164

10 变形监测······166

10.1 一般规定······166

10.2 水平位移监测基准网······169

10.3 垂直位移监测基准网······170

10.4 基本监测方法与技术要求······173

10.5 工业与民用建筑变形监测······183

10.6 水工建筑物变形监测······187

10.7 地下工程变形监测······192

10.8 桥梁变形监测······197

10.9 滑坡监测······199

10.10 核电厂变形监测······201

10.11 数据处理与变形分析······202

10.12 变形监测信息系统······204

附录A 精度要求较高工程的中误差评定方法······206

附录B 平面控制点标志及标石的埋设规格······208

附录C 高程控制点标志及标石的埋设规格······212

附录D 建筑方格网点标石规格及埋设······217

附录E 建（构）筑物主体倾斜率和按差异沉降······218

附录F 基础相对倾斜值和基础挠度计算公式······219

本标准用词说明······221

引用标准名录······222

附：条文说明······223

1 总则······228

2 术语、符号和缩略语······232

2.1 术语······232

2.2 符号······234

3 平面控制测量······235

3.1 一般规定······235

3.2 卫星定位测量······238

3.3 导线测量······253

3.4 三角形网测量······263

3.5 自由设站测量······267

4 高程控制测量······269

4.1 一般规定······269

4.2 水准测量······269

4.3 电磁波测距三角高程测量······272

4.4 卫星定位高程测量······276

5 地形测量······279

5.1 一般规定······279

5.2 图根控制测量······284

5.3 测绘方法与技术要求······287

5.4 一般地区地形测图······295

5.5 城镇建筑区地形测图······296

5.6 工矿区现状图测量······297

5.7 水域地形测量······298

5.8 数字线划图······300

5.9 数字高程模型······303

5.10 数字正射影像图······303

5.11 数字三维模型······304

6 线路测量······305

6.1 一般规定······305

6.2 铁路、公路测量······305

6.3 架空索道测量······307

6.4 自流和压力管线测量······308

6.5 架空输电线路测量······309

7 地下管线测量······314

7.1 一般规定······314

7.2 地下管线探查······315

7.3 地下管线施测······318

7.4 地下管线图绘制······318

7.5 地下管线信息系统······319

8 施工测量······320

8.1 一般规定······320

8.2 场区控制测量······321

8.3 工业与民用建筑施工测量······323

8.4 水工建筑物施工测量······326

8.5 桥梁施工测量······327

8.6 核电厂施工测量······329

8.7 隧道施工测量······337

8.8 综合管廊施工测量······341

9 竣工总图的编绘与实测······342

9.1 一般规定······342

9.2 竣工总图的编绘······342

9.3 竣工总图的实测······343

10 变形监测······344

10.1 一般规定······344

10.2 水平位移监测基准网······348

10.3 垂直位移监测基准网······351

10.4 基本监测方法与技术要求······352

10.5 工业与民用建筑变形监测······357

10.6 水工建筑物变形监测······358

10.7 地下工程变形监测······360

10.8 桥梁变形监测······363

10.9 滑坡监测······364

10.10 核电厂变形监测······364

10.11 数据处理与变形分析······365

10.12 变形监测信息系统······366