A simulation analysis on the effect of counterbeam lighting for the tunnel entrance zones

passing through a tunnel face some difficulties caused by the visual differences between outside and inside of the tunnel. The blackhole phenomenon at a tunnel entrance zone severely decreases the driver’s visibility during the daytime. A counterbeam lighting is generally recommended for the prevention of it. This paper simulates an entrance zone with a blackhole phenomenon to verify the effect of counterbeam lighting. Even though the tunnel lighting is important, it is not easy to consider many lighting alternatives at the stage of tunnel design due to the complexity of tunnel conditions. This paper is expected to contribute improving the visibility in tunnels, especially at the entrance zone.

keywords: Tunnellighting, counterbeam, simulation, entrancezone, Tunnellighting, counterbeam, simulation, entrancezone, 터널조명, 시인도, 시뮬레이션, 블랙홀, 카운터빔

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Article Contents

Vol.9 No.4

A simulation analysis on the effect of counterbeam lighting for the tunnel entrance zones

Abstract

Reference

(사)한국터널지하공간학회