北京市部分学校教室采光照明现状分析

近年来我国学生视力不良检出率居高不下,并且呈现明显上升趋势,已经到了极为严重的程度.学校教室的采光照明问题是保护学生视力健康的重要部分.2004年我国重新修订了国家标准〈建筑照明设计标准〉GB50034-2004.本文对北京市部分大中小学校进行采光照明的调查分析,结果显示,北京市学校教室采光照明问题十分严重,与国家标准要求差距很大,在被调查的39间教室中,窗地面积比达标率为20.5%,课桌面照度达标率为25.6%,黑板照度达标率为零.

Analysis of Daylighting and Lighting of Some Classroom in Beijing

In recent years the number of weak-eyed students remains very high, and it trends to increase obviously to an extreme vital degree. The daylighting and lighting of classrooms are important elements to students' eye health condition and the national standard, GB 50034-2004, is revised in 2004. This article investigates and analyse the daylighting and lighting conditions of some classrooms in Beijing. The results show the condition problem is serious, which is far from the requirements of the government standard. Among the 39 investigated classrooms, the ratio of reach the standard for the ratio according with to floor area is only 20.5%, the ratio of reach the standard for desktop illumination is 25.6%, and the ratio for blackboard illumination is zero.