GB50288-2018······1

1 總則······18

2 術(shù)語······19

3 工程等級與設(shè)計標準······22

3.1 工程等級劃分······22

3.2 灌溉標準······24

3.3 排水標準······27

3.4 灌排水質(zhì)標準······30

4 總體設(shè)計······31

4.1 一般規(guī)定······31

4.2 總體布置······32

5 水源工程······35

5.1 一般規(guī)定······35

5.2 蓄水樞紐······35

5.3 引水樞紐······37

5.4 泵站······40

5.5 機井······42

6 灌溉渠(管)道······44

6.1 一般規(guī)定······44

6.2 渠系總體布置······44

6.3 渠道水力計算······45

6.4 渠道縱橫斷面設(shè)計······49

6.5 渠道襯砌及抗凍脹設(shè)計······53

6.6 渠道地基處理······54

6.7 灌溉輸水管道······55

7 排水溝(管)道······58

7.1 一般規(guī)定······58

7.2 明溝排水······58

7.3 暗管排水······61

7.4 井排水······66

8 渠系建筑物基本規(guī)定······69

8.1 一般規(guī)定······69

8.2 總體布置原則······69

8.3 結(jié)構(gòu)設(shè)計計算基本規(guī)定······70

8.4 地基處理原則······71

9 渡槽······72

9.1 一般規(guī)定······72

9.2 總體布置······72

9.3 結(jié)構(gòu)形式和構(gòu)造······74

9.4 水力設(shè)計······78

9.5 結(jié)構(gòu)設(shè)計······79

9.6 地基與基礎(chǔ)······85

10 倒虹吸······92

10.1 一般規(guī)定······92

10.2 總體布置······92

10.3 水力設(shè)計······95

10.4 結(jié)構(gòu)設(shè)計······97

10.5 細部結(jié)構(gòu)設(shè)計······106

11 涵洞······107

11.1 一般規(guī)定······107

11.2 總體布置······107

11.3 水力設(shè)計······110

11.4 結(jié)構(gòu)設(shè)計······111

12 跌水與陡坡······113

12.1 一般規(guī)定······113

12.2 總體布置······113

12.3 水力設(shè)計······118

12.4 結(jié)構(gòu)設(shè)計······118

13 排洪建筑物······120

13.1 一般規(guī)定······120

13.2 總體布置······120

13.3 水力設(shè)計······123

14 水閘······124

14.1 一般規(guī)定······124

14.2 總體布置······124

15 隧洞······126

15.1 一般規(guī)定······126

15.2 總體布置······126

16 農(nóng)橋······128

16.1 一般規(guī)定······128

16.2 總體布置······128

16.3 農(nóng)橋荷載標準······130

17 田間工程······131

17.1 一般規(guī)定······131

17.2 典型設(shè)計······131

17.3 灌水溝畦與格田······132

17.4 低壓管道輸水灌溉······136

17.5 噴灌······137

17.6 微灌······141

17.7 田間渠道與排水溝······142

17.8 田間道路與林帶······142

18 監(jiān)測······144

18.1 一般規(guī)定······144

18.2 工程安全監(jiān)測······144

18.3 水量、水質(zhì)監(jiān)測······144

18.4 環(huán)境監(jiān)測······145

18.5 水土保持監(jiān)測······146

19 灌區(qū)信息化······147

19.1 一般規(guī)定······147

19.2 監(jiān)測及控制······147

19.3 通信通道······149

19.4 信息平臺建設(shè)······149

19.5 辦公自動化及語音通信······150

19.6 設(shè)備用房及功能房間設(shè)置······150

20 管理設(shè)施······151

20.1 一般規(guī)定······151

20.2 交通設(shè)施······151

20.3 維護設(shè)施······152

20.4 安全設(shè)施······152

20.5 試驗站設(shè)施······153

20.6 生產(chǎn)管理設(shè)施······154

附錄A 排澇模數(shù)計算······156

附錄B 渠床糙率······159

附錄C 渠道允許不沖流速······161

附錄D 黃河流域渾水渠道水流挾沙能力計算······164

附錄E 梯形渠道實用經(jīng)濟斷面的計算方法······167

附錄F 渠道防滲襯砌結(jié)構(gòu)適用條件······170

附錄G 末級固定排水溝和吸水管間距計算······172

附錄H 地下水排水強度計算······176

附錄J 荷載計算······177

附錄K 渡槽設(shè)計計算······184

附錄L 倒虹吸管設(shè)計計算······191

附錄M 涵洞流態(tài)判別及過流能力計算······202

附錄N 跌水與陡坡設(shè)計計算······206

本標準用詞說明······210

引用標準名錄······211

附:條文說明······214

1 總則······219

3 工程等級與設(shè)計標準······221

3.1 工程等級劃分······221

3.2 灌溉標準······223

3.3 排水標準······224

3.4 灌排水質(zhì)標準······234

4 總體設(shè)計······235

4.1 一般規(guī)定······235

4.2 總體布置······237

5 水源工程······240

5.2 蓄水樞紐······240

5.3 引水樞紐······241

5.4 泵站······244

5.5 機井······245

6 灌溉渠(管)道······246

6.2 渠系總體布置······246

6.3 渠道水力計算······247

6.4 渠道縱橫斷面設(shè)計······248

6.5 渠道襯砌與抗凍脹設(shè)計······252

6.7 灌溉輸水管道······252

7 排水溝(管)道······254

7.1 一般規(guī)定······254

7.2 明溝排水······255

7.3 暗管排水······261

7.4 井排水······266

8 渠系建筑物基本規(guī)定······267

8.1 一般規(guī)定······267

8.2 總體布置原則······267

8.3 結(jié)構(gòu)設(shè)計計算基本規(guī)定······268

8.4 地基處理原則······269

9 渡槽······270

9.2 總體布置······270

9.3 結(jié)構(gòu)形式和構(gòu)造······271

9.4 水力設(shè)計······274

9.5 結(jié)構(gòu)設(shè)計······276

9.6 地基與基礎(chǔ)······277

10 倒虹吸······279

10.2 總體布置······279

10.3 水力設(shè)計······283

10.4 結(jié)構(gòu)設(shè)計······292

10.5 細部結(jié)構(gòu)設(shè)計······297

11 涵洞······299

11.1 一般規(guī)定······299

11.2 總體布置······299

11.3 水力設(shè)計······301

12 跌水與陡坡······303

12.1 一般規(guī)定······303

12.2 總體布置······304

12.3 水力設(shè)計······308

12.4 結(jié)構(gòu)設(shè)計······309

13 排洪建筑物······310

13.1 一般規(guī)定······310

13.2 總體布置······311

14 水閘······315

14.1 一般規(guī)定······315

14.2 總體布置······315

15 隧洞······319

15.1 一般規(guī)定······319

15.2 總體布置······319

16 農(nóng)橋······321

16.1 一般規(guī)定······321

16.2 總體布置······322

16.3 農(nóng)橋荷載標準······323

17 田間工程······324

17.1 一般規(guī)定······324

17.3 灌水溝畦與格田······324

17.4 低壓管道輸水灌溉······326

17.5 噴灌······326

17.6 微灌······329

17.7 田間渠道與排水溝······329

17.8 田間道路與林帶······330

18 監(jiān)測······332

18.2 工程安全監(jiān)測······332

18.3 水量、水質(zhì)監(jiān)測······332

18.4 環(huán)境監(jiān)測······332

18.5 水土保持監(jiān)測······333

19 灌區(qū)信息化······334

19.1 一般規(guī)定······334

19.2 監(jiān)測及控制······334

19.3 通信通道······335

19.4 信息平臺建設(shè)······335

19.5 辦公自動化及語音通信······335

19.6 設(shè)備用房及功能房間設(shè)置······336

20 管理設(shè)施······337

20.1 一般規(guī)定······337

20.2 交通設(shè)施······337

20.3 維護設(shè)施······338

20.4 安全設(shè)施······338

20.5 試驗站設(shè)施······338

20.6 生產(chǎn)管理設(shè)施······339