步梯和扶梯是地铁站内连接站台和站厅、站厅和室外安全区的主要设施,是站内客流使用的重要通道.研究分析行人对步梯和扶梯的选择模式对理解地铁站内行人行为和疏散方式具有重要意义.本文采集成都地铁两个地铁站在高峰与非高峰下不同人群选择步梯和扶梯的人数,并进行统计分析得出4种不同因素对行人选择步梯和扶梯模式影响.结果表明行进方向、前方是否成拱和是否处于高峰期均对行人选择模式产生影响,且影响能力可分为2个等级.论文研究为地铁站人员步梯和扶梯选择模式提供了基础数据和理论指导.%Stairs and escalators are the main facilities connecting the platform and the hall as well as the hall and the ground safety level, which formed the key path segment for pedestrians in subway stations. Understanding how passengers select stairs and escalators in subway station is of critical importance for pedestrian traffic and evacuation dynamic analysis. The present paper collects pedestrian numbers in two subway stations during peak and off-peak hours, and then statistically explore the influences of 4 different factors on pedestrian's selection mode. The conclusion is that factors including pedestrian flow direction directions, arch formed or not, rush hours or not, have influences on the selection mode. According to the affection level, these factors can be classified into 2 categories. Basic data and theoretical instruction about stair and escalator selection mode for passengers in metro station are provided and could benefit pedestrian traffic planning.
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