白天机动车驾驶人从明亮的环境接近、进入和通过道路隧道的过程中,将面临多种特殊的视觉问题,故应高度重视隧道入口段、过渡段的照明设施设计,以降低道路隧道入口部事故率.针对现行规范的不足,提出一种改进的长隧道白天照明亮度适应曲线(阶梯曲线),其更符合CIE技术报告要求.计算实例表明,采用本文研究成果,虽然道路隧道入口部照明设计参数有所偏高,但适应亮度过渡更为平滑、缓和且适应长度有所增加,总体上更有利于保障道路隧道行车安全.%During daytime,motor vehicle driver,from the bright environment approaching,entering and crossing road tunnels,will face a variety of special visual problems.Therefore,it is highly important to take the tunnel lighting design seriously of entrance and transition sections,in order to reduce the accident rate of the road tunnel entrance.In view of the deficiency of current standard,this paper proposes an improved luminance adaptation curve(step curve)of long road tunnels,which is more in line with the requirements of CIE technology report.The calculation examples show that,using the results of this study,although the lighting design parameters are a little higher,it is more smooth and its adaptive length increases a bit,which will be more conducive to the protection the traffic safety of road tunnels.
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机译：De Verlichting van Tunnelingangen。 Een probleemanalyse Omtrent de Verlichting Overdag van Lange Tunnels。 Deel 2：Tabellen，Figuren，annexen，Bibliografie（隧道入口照明。长隧道照明问题分析。第2部分）
