Glare Effect Analysis and Glare-resistance Strategy of Parallelly Arranged Highway and Railway in Close Range

Abstract:

According to the contrast principle of ambient light intensity for disability glare， a process of disability glare analysis based on three-dimensional spatial relationship model is proposed. Taking same-layer arranged highway and railway on the lower deck of a cable-stayed truss bridge as the engineering background， a case study is carried out. When no glare-resistance measures are taken for parallelly arranged highway and railway in close range， the glare effect produced by headlamps of railway train is serious， which is far beyond the threshold requirements of the relevant codes. Finally， an assemblable and three-dimensional glare-resistance strategy is proposed， and a detailed glare-resistance scheme is given in the case study. The results show that the glare-resistance strategy proposed can effectively reduce the glare effect of railway train headlamps to the drivers on highway.