公路隧道照明设计细则(英文版)[JTG/T D70/2-01—2014(EN)]

1 General Provisions 1
2 Terms and Symbols 4
2. 1 Terms 4
2. 2 Symbols 5
3 General 7
4 Lighting of Threshold Zone 16
4. 1 Luminance of threshold zone 16
4. 2 Adaptation luminance 18
4. 3 Length of threshold zone 20
5 Lighting of Transition Zone 22
6 Lighting of Interior Zone 25
6. 1 Luminance of interior zone 25
6. 2 Luminaires’ layout of interior zone 26
6. 3 Lighting of lay-by and horizontal adit 28
7 Lighting of Exit Zone 30
8 Emergency Lighting and Approach Lighting 31
8. 1 Emergency lighting 31
8. 2 Approach lighting 31
9 Energy-conservation Standards and Measures 33
9. 1 General 33
9. 2 Energy-conservation standard 34
9. 3 Energy-conservation measures 35
10 Lighting Calculation 40
10. 1 General 40
10. 2 Illuminance calculation 41