GBT51224-2017······1

1 總則······10

2 術(shù)語(yǔ)和符號(hào)······11

2.1 術(shù)語(yǔ)······11

2.2 符號(hào)······11

3 基本規(guī)定······13

3.1 道路分級(jí)······13

3.2 設(shè)計(jì)車輛······13

3.3 設(shè)計(jì)速度······14

3.4 道路建筑限界······15

3.5 防災(zāi)標(biāo)準(zhǔn)······16

4 橫斷面······17

4.1 一般規(guī)定······17

4.2 橫斷面布置······17

4.3 橫斷面組成及寬度······18

4.4 路拱橫坡······19

5 平面、縱斷面及道路交叉······20

5.1 一般規(guī)定······20

5.2 平面設(shè)計(jì)······20

5.3 縱斷面設(shè)計(jì)······23

5.4 道路交叉······24

6 路基工程······27

6.1 一般規(guī)定······27

6.2 路基設(shè)計(jì)······27

6.3 路基施工與質(zhì)量驗(yàn)收······28

6.4 路基排水······29

7 路面工程······31

7.1 一般規(guī)定······31

7.2 基層、底基層和墊層······31

7.3 瀝青路面······34

7.4 水泥混凝土路面······35

7.5 天然石材路面······36

7.6 預(yù)制砌塊路面······39

7.7 砂石路面······41

8 橋涵······42

8.1 一般規(guī)定······42

8.2 橋涵設(shè)計(jì)······44

9 附屬設(shè)施······46

9.1 照明······46

9.2 管線······46

9.3 交通安全設(shè)施······47

9.4 綠化······47

本規(guī)范用詞說(shuō)明······49

引用標(biāo)準(zhǔn)名錄······50

附:條文說(shuō)明······52

l 總則······55

3 基本規(guī)定······56

3.1 道路分級(jí)······56

3.2 設(shè)計(jì)車輛······56

3.3 設(shè)計(jì)速度······57

3.4 道路建筑限界······57

3.5 防災(zāi)標(biāo)準(zhǔn)······58

4 橫斷面······59

4.1 一般規(guī)定······59

4.2 橫斷面布置······59

4.3 橫斷面組成及寬度······59

5 平面、縱斷面及道路交叉······64

5.1 一般規(guī)定······64

5.2 平面設(shè)計(jì)······64

5.3 縱斷面設(shè)計(jì)······67

5.4 道路交叉······69

6 路基工程······70

6.2 路基設(shè)計(jì)······70

6.3 路基施工與質(zhì)量驗(yàn)收······70

6.4 路基排水······70

7 路面工程······72

7.2 基層、底基層和墊層······72

7.3 瀝青路面······72

7.4 水泥混凝土路面······75

7.5 天然石材路面······76

7.6 預(yù)制砌塊路面······77

7.7 砂石路面······78

8 橋涵······79

8.1 一般規(guī)定······79

8.2 橋涵設(shè)計(jì)······79