日本建築学会環境系論文集
Online ISSN : 1881-817X
Print ISSN : 1348-0685
ISSN-L : 1348-0685
夜間の住宅地街路における闇だまりの分布とその影響
小松 義典江越 充池田 智哉玉田 貴喜
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ジャーナル フリー

2011 年 76 巻 666 号 p. 641-647

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In this paper, the effects of different kinds of lights on dark spots of residential streets at nighttime are studied.
The measurements of illuminance on road surface and the subjective evaluation of the dark spots are carried out to investigate the distribution of dark spots. Based on the result, the dark spots can be classified into two types. One is seen over intense lights, e.g., the light from vending machine or shop. The recognizable distance of this type is long. The other is seen in low luminance spaces.
According to the result of the examination of pedestrian paths, it is obvious that people avoid these dark spots. This might mean that people feel uncomfortable toward these dark spots.
In conclusion, in order to decrease the number of dark spots, it is desirable to avoid that illuminance on road surface fluctuate rapidly.

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© 2011 日本建築学会
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