东南大学学报（自然科学版）2016，Vol.18Issue(3)：664-670,7.DOI:10.3969/j.issn.1001-0505.2016.03.035
地震引起的货物列车脱轨全过程计算
Calculation of freight train derailment course induced by earthquake
摘要
Abstract
In order to ensure the freight train stop timely when the train derailed under seismic effect,spatial vibration calculation model for the train-track system on the seismic effect is estab-lished and the calculation method for the whole train derailment course on the seismic effect is pro-posed.Taking the 9—10 seismic intensity as the research object,the derailment processes of the freight train at different train speeds in the straight line and the curve are calculated.Moreover,the wheel-rail contact state and the relative position are analyzed.Results show that,the seismic intensi-ty and train speed have obvious effects on the lateral relative bogie-rail displacement,while smaller effects on the bogie yaw angle.Curve track has a great effect on the lateral relative bogie-rail dis-placement and the bogie yaw angle.The maximum of the lateral relative bogie-rail displacement and the bogie yaw angle are 155 mm and 4.6°,respectively.These data can provide a reference for the development of the train derailment detection device.关键词
铁道工程/地震/列车脱轨全过程/轮轨几何接触状态/列车脱轨检测装置Key words
railway engineering/earthquake/whole train derailment course/wheel-rail geometry contact state/train derailment detection device分类
交通工程引用本文复制引用
龚凯,向俊,毛建红,余翠英..地震引起的货物列车脱轨全过程计算[J].东南大学学报（自然科学版）,2016,18(3):664-670,7.基金项目
国家自然科学基金委员会与神华集团有限公司联合资助项目（U1261113）、高等学校博士学科点专项科研基金资助项目（20100162110022）、江西省青年科学基金资助项目（20142BAB216003）、西南交通大学牵引动力国家重点实验室开放课题资助项目（TPL0901，TPL1214）． （）
