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                LED照明知识KNOWLEDGE

                公路隧道通风照明设计规范(JTJ026.1-1999)

                隧道照明设计规范

                一、   入口段照明

                1、入口段△亮度可按下式计算:

                Lth = k*L20(S)

                式中  Lth――入口段亮度(cd/㎡);

                        K――入口段亮度◥折减系数,可按◣下表取值;

                L20(S)――洞外亮度(cd/㎡)。

                入口段亮度折减←系数

                 

                设计交通●量N(辆/h)

                k

                行车速度vt(km/h)

                双车道单向交通

                双♀车道双向交通★

                100

                80

                60

                40

                ≥2400

                ≥1300

                0.045

                0.035

                0.022

                0.012

                ≤700

                ≤360

                0.035

                0.025

                0.015

                0.01

                下一主题:照『明基础培训知识上一主题:LED隧道灯将大规模应用于隧道基本照明

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