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首页> 外文期刊>Mathematical Problems in Engineering >Effects of the Installation Angle of Raised Pavement Markers on a Horizontal Curve Section on the Line of Sight Induction Performance
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Effects of the Installation Angle of Raised Pavement Markers on a Horizontal Curve Section on the Line of Sight Induction Performance

机译：高架道路标志物安装角度对视线诱导性能水平曲线段的影响

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摘要

Different installation angles of raised pavement markers (RPMs) correspond to different incident angles of light, which affects the retroreflective performance of the RPMs. This paper explores how adjustments to the installation angle of the RPMs on a horizontal curve section affect a driver's line of sight induction. The conditions under which RPMs achieve the optimal effect of retroreflection are confirmed, and a driver's visual range at night is analyzed. The incident angle of light and the installation angle of RPMs are calculated when the optimal effect of retroreflection is achieved and the RPMs are installed along the radial direction (normal conditions). The differences in incident angles are compared. The results show that the differences in the incident angle tinder the two installment modes decrease as the radius increases, with a maximum value of 5.9 degrees. The improvement of the retroreflection with variations in the incident angle is analyzed using the STT-201A RPM measuring instrument. When the incident angle is decreased by 5.9 degrees and the observed angle is less than 2 degrees, the average increase in the coefficient of the retroreflection is only 12.6%, indicating that the improvement of the retroreflection is not obvious. Therefore, a driver's perception of road alignment cannot be significantly improved by adjusting the installation angle of RPMs. Considering the complexity of the construction of a project, the installation angle should not be changed under normal conditions; namely, the RPMs should still be installed along the radial direction.
机译：凸起的路面标记（RPM）的不同安装角度对应于光的不同入射角，这会影响RPM的回射性能。本文探讨了对水平弯道上RPM的安装角度的调整如何影响驾驶员的视线感应。确定了RPM达到最佳回射效果的条件，并分析了驾驶员夜间的视觉范围。当获得最佳的回射效果并且沿径向方向安装RPM（正常条件）时，将计算光的入射角和RPM的安装角度。比较入射角的差异。结果表明，两种安装方式的入射角t变的差异随着半径的增加而减小，最大值为5.9度。使用STT-201A RPM测量仪器分析随入射角变化而产生的回射改善。当入射角减小5.9度并且观察到的角度小于2度时，回射系数的平均增加仅为12.6％，这表明回射的改善并不明显。因此，通过调节RPM的安装角度不能显着改善驾驶员对道路路线的感知。考虑到工程建设的复杂性，正常情况下不应改变安装角度；也就是说，RPM仍应沿径向安装。

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