铁道运输与经济RAILWAYTRANSPORTANDECONOMY第45卷第09期地铁车站步行设施超越行为负效应评价模型研究NegativeEffectEvaluationModelofPedestrianFacilities’TranscendentalBehaviorinSubwayStation丁泓十,胡华,方勇,郝妍熙,刘志钢DINGHongshi,HUHua,FANGYong,HAOYanxi,LIUZhigang(上海工程技术大学城市轨道交通学院,上海201620)(SchoolofUrbanRailTransit,ShanghaiUniversityofEngineeringScience,Shanghai201620,China)摘要:行人超越行为会引起步行设施服务水平下降,同时还会增加安全隐患。由于地铁车站步行设施类型的多样化和行人自身属性的差异化,导致行人超越行为特性复杂,并产生不同程度的影响和后果。为量化评价地铁车站步行设施超越行为负效应,首先基于行人动力学分析超越行为的运动特性及其负效应形成机理;其次,提出轨迹偏移率、速度熵、速度相对极差3个评价指标,并构建基于熵权法的超越行为负效应评价模型;最后,设计可控模拟实验定量确定行人发生超越行为时运动状态变化的负效应阈值,划分负效应评价等级,并追溯分析不同的通道行人服务水平条件下超越行为负效应等级的变化规律。研究成果可为考虑行人异质性行为的地铁车站精细化客流组织和设施布局设计提供理论依据。关键词:地铁车站;步行设施;超越行为;速度熵;负效应评价模型Abstract:Thetranscendentalbehaviorleadstobothadeclineintheservicelevelofpedestrianfacilitiesandanincreaseinsafetyrisks.Thecomplexityofthisbehaviorarisesfromthevarietyofpedestrianfacilitiesinsubwaystationsandthedifferentiationofpedestriancharacteristics,leadingtovaryingdegreesofimpactandconsequences.Thispaperaimedtoquantifythenegativeeffectofthetranscendentalbehaviorofpedestrianfacilitiesinsubwaystations.Firstly,pedestriandynamicswereutilizedtoanalyzethemotioncharacteristicsoftranscendentalbehaviorandtheformationmechanismofnegativeeffects.Secondly,threeevaluationindexesoftrajectoryoffsetrate,velocityentropy,andvelocityrelativerangewereproposed,andthenegativeeffectevaluationmodeloftranscendentalbehaviorbasedonentropyweightmethodwasconstructed.Finally,acontrollablesimulationexperimentwasdesignedtoquantitativelydeterminethenegativeeffectthresholdcausedbychangesinpedestrianmovementstateduringtranscendentalbe...