基于驾驶试验的天台山公路隧道群连接段遮阳棚照明缓冲效果研究  

Research on Lighting Buffering Effect of Shade Shelter in the Connecting Section of the Tiantaishan Highway Tunnels Group Based on Driving Test

作　　者：董长松[1] 赵超志 赫连超 韩常领[1] 严涛[3] DONG Chang-song;ZHAO Chao-zhi;HE Lian-chao;HAN Chang-ling;YAN Tao(CCCC First Highway Consultants Co.Ltd.,Xi'an 710075,China;Shaanxi Transportation Holding Group,Xi'an 710065,China;Southwest Jiaotong University,Chengdu 610031,China)

机构地区：[1]中交第一公路勘察设计研究院有限公司,西安市710075 [2]陕西交通控股集团有限公司,西安市710065 [3]西南交通大学,成都市610031

出　　处：《公路》2023年第7期43-49,共7页Highway

摘　　要：公路隧道群连接段由于明暗适应问题已成为行车事故高发区域,在该区域通过设置遮阳棚降低洞内外的亮度差已经成为避免行车事故的一个重要措施。依托秦岭32 km天台山公路隧道群开展设置遮阳棚前后的驾驶对比试验,采集隧道群连接段的照度及驾驶员的瞳孔直径等相关数据。以瞳孔直径变化速率为指标,分析设置遮阳棚对隧道群连接段明暗适应过程的缓冲效果。研究结果表明:设置遮阳棚可使上游隧道洞内明适应距离缩短至200 m以内;瞳孔直径变化幅度减缓50%以上;最大明适应瞳孔变化速率和最大暗适应瞳孔变化速率分别下降53%和43%以上,验证了遮阳棚具有良好的照明缓冲作用。研究结果可为类似公路隧道群设置遮阳棚提供参考。The connecting section of highway tunnels group has become an area with high traffic accidents because of the light-dark adaptation problem.It is important to avoid traffic accidents by setting awnings in this area to reduce the illuminance difference between inside and outside of the tunnels.Based on the 32 km Qinling Mountains Tiantaishan highway tunnels group,a comparative driving test before and after setting up awnings is carried out,and relevant data such as illuminance and pupil diameter of drivers at the connecting section of the tunnel group are collected.Taking the change rate of pupil diameter as an index,the buffering effect of setting awnings on the light-dark adaptation process in the connecting section of tunnel group is analyzed.The results show that setting awnings can shorten the light-adaptive distance inside the upstream tunnel to less than 200 m,retard the amplitude of variation of pupil diameter by more than 50%,and reduce the maximum pupil change rate of light and dark adaptation by more than 53% and43 % respectively.It is verified that the awnings have a good lighting buffering effect.The research results can provide a reference for setting awnings in similar highway tunnel groups.

关 键 词：隧道群 明暗适应 驾驶试验 遮阳棚 瞳孔直径 

分 类 号：U453.7[建筑科学—桥梁与隧道工程]