本規(guī)范共分13章，主要內(nèi)容包括：總則，城市防洪工程等級和設(shè)計(jì)標(biāo)準(zhǔn)，設(shè)計(jì)洪水、澇水和潮水位，防洪工程總體布局，江河堤防，海堤工程，河道治理及護(hù)岸(灘)工程，治澇工程，防洪閘，山洪防治，泥石流防治，防洪工程管理設(shè)計(jì)，環(huán)境影響評價、環(huán)境保護(hù)設(shè)計(jì)與水土保持設(shè)計(jì)等。

GBT50805-2012······1

1 總 則······13

2 城市防洪工程等級和設(shè)計(jì)標(biāo)準(zhǔn)······14

2.1 城市防洪工程等別和防洪標(biāo)準(zhǔn)······14

2.2 防洪建筑物級別······15

3 設(shè)計(jì)洪水、澇水和潮水位······16

3,1 設(shè)計(jì)洪水······16

3.2 設(shè)計(jì)澇水······17

3.3 設(shè)計(jì)潮水位······20

3.4 洪水、澇水和潮水遭······20

4 防洪工程總體布局······22

4,1 一般規(guī)定······22

4.2 江河洪水防治······23

4.3 澇水防治······23

4.4 海潮防治······23

4.5 山洪防治······24

4.6 泥石流防治······24

4.7 超標(biāo)準(zhǔn)洪水安排······24

5 江河堤防······26

5.1 一般規(guī)定······26

5.2 防洪堤防(墻)·······27

5.3 穿堤、跨堤建筑物······29

5.4 地基處理······31

6 海堤工程······32

6.1 一般規(guī)定······32

6.2 堤身設(shè)計(jì)······32

6.3 堤基處理······34

7 河道治理及護(hù)岸(灘)工程······36

7.1 一般規(guī)定······36

7.2 河道整治······36

7.3 坡式護(hù)岸······37

7.4 墻式護(hù)岸······38

7.5 板樁式及樁基承臺式護(hù)岸······39

7.6 順壩和短丁壩護(hù)岸······39

8 治澇工程······41

8.1 一般規(guī)定······41

8.2 工程布局······41

8.3 排澇河道設(shè)計(jì)······42

8.4 排澇泵站······42

9 防洪閘······44

9.1 閘址和闈線的選擇······44

9.2 工程布置······45

9.3 工程設(shè)計(jì)······46

9.4 水力計(jì)算······47

9.5 結(jié)構(gòu)與地基計(jì)算······47

10 山洪防治······48

10.1 一般規(guī)定······48

10.2 跌水和陡坡······48

10.3 谷坊······49

10.4 撇洪溝及截流溝······50

10.5 排洪渠道······51

11 泥石流防治······53

11.1 一般規(guī)定······53

11.2 攔擋壩······54

11.3 停淤場······55

11.4 排導(dǎo)溝······56

12 防洪工程管理設(shè)計(jì)······57

12.1 一般規(guī)定······57

12,2 管理體制······57

12.3 防洪預(yù)警······57

13 環(huán)境影響評價、環(huán)境保護(hù)設(shè)計(jì)與水土保持設(shè)計(jì)······59

13.1 環(huán)境影響評價與環(huán)境保護(hù)設(shè)計(jì)······59

13.2 水土保持設(shè)計(jì)······60

本規(guī)范用詞說明······61

引用標(biāo)準(zhǔn)名錄······62

附:條文說明······63

1 總 則······70

2 城市防洪工程等級和設(shè)計(jì)標(biāo)準(zhǔn)······73

2.1 城市防洪工程等別和防洪標(biāo)準(zhǔn)······73

2.2 防洪建筑物級別······76

3 設(shè)計(jì)洪水、澇水和潮水位······78

3.1 設(shè)計(jì)洪水······78

3.2 設(shè)計(jì)澇水······81

3.3 設(shè)計(jì)潮水位······84

3.4 洪水、澇水和潮水遭······85

4 防洪工程總體布局······87

4.1 一般規(guī)定······87

4.2 江河洪水防治······89

4.3 澇水防治······90

4.4 海潮防治······90

4.5 山洪防治······90

4.6 泥石流防治······91

4.7 超標(biāo)準(zhǔn)洪水安排······91

5 江河堤防······92

5.1 一般規(guī)定······92

5.2 防洪堤防(墻)·······93

5.3 穿堤、跨堤建筑物······98

5.4 地基處理······99

6 海堤工程······100

6.1 一般規(guī)定······100

6.2 堤身設(shè)計(jì)······100

6.3 堤基處理······101

7 河道治理及護(hù)岸(灘)工程······102

7.1 一般規(guī)定······102

7.2 河道整治······102

7.3 坡式護(hù)岸······103

7.4 墻式護(hù)岸······104

7.5 板樁式及樁基承臺式護(hù)岸······105

7.6 順壩和短丁壩護(hù)岸······105

8 治澇工程······107

8.1 一般規(guī)定······107

8.2 工程布局······109

8.3 排澇河道設(shè)計(jì)······112

8.4 排澇泵站······112

9 防洪閘······115

9.1 閘址和闈線的選擇······115

9.2 工程布置······116

9.3 工程設(shè)計(jì)······120

9.4 水力計(jì)算······120

9.5 結(jié)構(gòu)與地基計(jì)算······120

10 山洪防治······121

10.1 一般規(guī)定······121

10.2 跌水和陡坡······122

10.3 谷坊······124

10.4 撇洪溝及截流溝······125

10.5 排洪渠道······125

11 泥石流防治······128

11.1 一般規(guī)定······128

11.2 攔擋壩······128

11.3 停淤場······141

11.4 排導(dǎo)溝······143

12 防洪工程管理設(shè)計(jì)······146

12.1 一般規(guī)定······146

12.2 管理體制······147

12.3 防洪預(yù)警······148

13 環(huán)境影響評價、環(huán)境保護(hù)設(shè)計(jì)與水土保持設(shè)計(jì)······149

13.1 環(huán)境影響評價與環(huán)境保護(hù)設(shè)計(jì)······149

13.2 水土保持設(shè)計(jì)······149