GB50026-2020······1

1 總則······15

2 術語、符號和縮略語······16

2.1 術語······16

2.2 符號······17

2.3 縮略語······21

3 平面控制測量······22

3.1 一般規(guī)定······22

3.2 衛(wèi)星定位測量······23

3.3 導線測量······32

3.4 三角形網(wǎng)測量······40

3.5 自由設站測量······45

4 高程控制測量······47

4.1 一般規(guī)定······47

4.2 水準測量······47

4.3 電磁波測距三角高程測量······52

4.4 衛(wèi)星定位高程測量······53

5 地形測量······55

5.1 一般規(guī)定······55

5.2 圖根控制測量······61

5.3 測繪方法與技術要求······65

5.4 一般地區(qū)地形測圖······81

5.5 城鎮(zhèn)建筑區(qū)地形測圖······82

5.6 工礦區(qū)現(xiàn)狀圖測量······83

5.7 水域地形測量······85

5.8 數(shù)字線劃圖······90

5.9 數(shù)字高程模型······100

5.10 數(shù)字正射影像圖······102

5.11 數(shù)字三維模型······104

6 線路測量······106

6.1 一般規(guī)定······106

6.2 鐵路、公路測量······107

6.3 架空索道測量······111

6.4 自流和壓力管線測量······112

6.5 架空輸電線路測量······114

7 地下管線測量······120

7.1 一般規(guī)定······120

7.2 地下管線探查······121

7.3 地下管線施測······124

7.4 地下管線圖繪制······125

7.5 地下管線信息系統(tǒng)······126

8 施工測量······129

8.1 一般規(guī)定······129

8.2 場區(qū)控制測量······130

8.3 工業(yè)與民用建筑施工測量······133

8.4 水工建筑物施工測量······139

8.5 橋梁施工測量······142

8.6 核電廠施工測量······146

8.7 隧道施工測量······154

8.8 綜合管廊施工測量······159

9 竣工總圖的編繪與實測······162

9.1 一般規(guī)定······162

9.2 竣工總圖的編繪······162

9.3 竣工總圖的實測······164

10 變形監(jiān)測······166

10.1 一般規(guī)定······166

10.2 水平位移監(jiān)測基準網(wǎng)······169

10.3 垂直位移監(jiān)測基準網(wǎng)······170

10.4 基本監(jiān)測方法與技術要求······173

10.5 工業(yè)與民用建筑變形監(jiān)測······183

10.6 水工建筑物變形監(jiān)測······187

10.7 地下工程變形監(jiān)測······192

10.8 橋梁變形監(jiān)測······197

10.9 滑坡監(jiān)測······199

10.10 核電廠變形監(jiān)測······201

10.11 數(shù)據(jù)處理與變形分析······202

10.12 變形監(jiān)測信息系統(tǒng)······204

附錄A 精度要求較高工程的中誤差評定方法······206

附錄B 平面控制點標志及標石的埋設規(guī)格······208

附錄C 高程控制點標志及標石的埋設規(guī)格······212

附錄D 建筑方格網(wǎng)點標石規(guī)格及埋設······217

附錄E 建（構）筑物主體傾斜率和按差異沉降······218

附錄F 基礎相對傾斜值和基礎撓度計算公式······219

本標準用詞說明······221

引用標準名錄······222

附：條文說明······223

1 總則······228

2 術語、符號和縮略語······232

2.1 術語······232

2.2 符號······234

3 平面控制測量······235

3.1 一般規(guī)定······235

3.2 衛(wèi)星定位測量······238

3.3 導線測量······253

3.4 三角形網(wǎng)測量······263

3.5 自由設站測量······267

4 高程控制測量······269

4.1 一般規(guī)定······269

4.2 水準測量······269

4.3 電磁波測距三角高程測量······272

4.4 衛(wèi)星定位高程測量······276

5 地形測量······279

5.1 一般規(guī)定······279

5.2 圖根控制測量······284

5.3 測繪方法與技術要求······287

5.4 一般地區(qū)地形測圖······295

5.5 城鎮(zhèn)建筑區(qū)地形測圖······296

5.6 工礦區(qū)現(xiàn)狀圖測量······297

5.7 水域地形測量······298

5.8 數(shù)字線劃圖······300

5.9 數(shù)字高程模型······303

5.10 數(shù)字正射影像圖······303

5.11 數(shù)字三維模型······304

6 線路測量······305

6.1 一般規(guī)定······305

6.2 鐵路、公路測量······305

6.3 架空索道測量······307

6.4 自流和壓力管線測量······308

6.5 架空輸電線路測量······309

7 地下管線測量······314

7.1 一般規(guī)定······314

7.2 地下管線探查······315

7.3 地下管線施測······318

7.4 地下管線圖繪制······318

7.5 地下管線信息系統(tǒng)······319

8 施工測量······320

8.1 一般規(guī)定······320

8.2 場區(qū)控制測量······321

8.3 工業(yè)與民用建筑施工測量······323

8.4 水工建筑物施工測量······326

8.5 橋梁施工測量······327

8.6 核電廠施工測量······329

8.7 隧道施工測量······337

8.8 綜合管廊施工測量······341

9 竣工總圖的編繪與實測······342

9.1 一般規(guī)定······342

9.2 竣工總圖的編繪······342

9.3 竣工總圖的實測······343

10 變形監(jiān)測······344

10.1 一般規(guī)定······344

10.2 水平位移監(jiān)測基準網(wǎng)······348

10.3 垂直位移監(jiān)測基準網(wǎng)······351

10.4 基本監(jiān)測方法與技術要求······352

10.5 工業(yè)與民用建筑變形監(jiān)測······357

10.6 水工建筑物變形監(jiān)測······358

10.7 地下工程變形監(jiān)測······360

10.8 橋梁變形監(jiān)測······363

10.9 滑坡監(jiān)測······364

10.10 核電廠變形監(jiān)測······364

10.11 數(shù)據(jù)處理與變形分析······365

10.12 變形監(jiān)測信息系統(tǒng)······366