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1建筑物防雷保护措施近年来,对于别墅的防雷设计存在较多的争议和不同的理解,最麻烦的就是屋面的防雷设计,电气设计师们在实际工作中也往往比较难把握。有人认为,独幢别墅的建筑体量都比较小,其年预计雷击次数(以下简称N值)通常小于0.06次/a,按GB 50057—1994(2000年版)《建筑物防雷设计规范》(以下简称《规范》)第2.0.4条第三款的规定,算不上第三类防雷建筑物。换言之,可以不采取防雷措施。也有人认为,应将整个别墅区看作一个建筑群,作为一个整体来看,则它的N值肯定超过
A building lightning protection measures In recent years, there is more controversy and different understanding of the mine’s lightning protection design, the most troublesome is the roof lightning protection design, electrical designers are often more difficult to grasp in actual work. Some people think that the construction of single villas are relatively small, and the annual number of lightning strikes (hereinafter referred to as N value) is usually less than 0.06 times / a, according to GB 50057-1994 (2000 edition) “Building Lightning Protection Design Code” ( Hereinafter referred to as “norms”) Article 2.0.4 of the third paragraph, not the third type of lightning protection buildings. In other words, you can not take lightning protection measures. Some people think that the entire villa area should be seen as a complex, as a whole, then its N value must exceed