Walking Speed in a Motorbike Lane Considering the Density of Evacuees and Motorbikes
Walking Speed in a Motorbike Lane Considering the Density of Evacuees and Motorbikes
复制标题
DOI：
10.3390/app122412580
复制
发表时间：
2022-12-01
影响因子：
2.7
通讯作者：
Shen, Tzu-Sheng
中科院分区：
文献类型：
--
作者：
Cheng, Cheng-Chung;Chung, Hung-Chieh;Shen, Tzu-Sheng
在摩托车使用率高的国家，公路隧道可能设有摩托车专用道，这给火灾或紧急情况下从隧道疏散带来了额外的风险。为了更好地了解摩托车道上的步行速度，以提高隧道内的风险评估，在本研究中，我们进行了疏散实验，调查摩托车和疏散密度对摩托车使用者的步行速度的影响。根据实验结果，即使在避难者密度相对较低（约0.1人/m2）时，步行速度也略有降低。进一步分析车道内摩托车的影响，发现随着摩托车密度的增加，步行速度明显下降。步行速度的下降与疏散人员和摩托车密度呈指数关系。考虑到这种指数关系，非线性回归被用来估计步行速度模型的参数。该模型以疏散人员密度、摩托车密度和自由步行速度为变量，可以作为描述隧道内摩托车道疏散步行速度的一种方法。
In countries with a high motorbike utilization rate, road tunnels can feature motorbike lanes, bringing an additional risk to evacuation from tunnels during a fire or emergency. To better understand the walking speed in motorbike lanes to enhance risk assessment in tunnels, in the present study, we conducted evacuation experiments to investigate the influence of motorbike and evacuee density on the walking speed of motorbike users. According to the experimental results, the walking speed was slightly reduced even when the evacuee density was relatively lower (around 0.1 person/m(2)). To further analyze the influence of motorbikes in the lane, the walking speed decreased significantly with the increase in motorbike density. The decrease in walking speed presented an exponential relationship with evacuee and motorbike density. Considering this exponential relationship, nonlinear regression was applied to estimate the parameters of the walking speed model. The proposed model consisting of the evacuee density, motorbike density, and free walking speed as variables can serve as an approach to describe the walking speed of motorbike lane evacuation in tunnels.