OpenJournalofTransportationTechnologies交通技术,2023,12(4),354-363PublishedOnlineJuly2023inHans.https://www.hanspub.org/journal/ojtthttps://doi.org/10.12677/ojtt.2023.124039文章引用:陶江峰.车辆与新型柔性限高架碰撞简化模型研究[J].交通技术,2023,12(4):354-363.DOI:10.12677/ojtt.2023.124039车辆与新型柔性限高架碰撞简化模型研究陶江峰平顶山市公路工程公司，河南平顶山收稿日期：2023年5月23日；录用日期：2023年7月21日；发布日期：2023年7月31日摘要本文提出了可供车辆与刚性、柔性两类限高架碰撞简化计算的三自由度质量–弹簧模型，并从撞击力、位移等方面对比简化模型与两类限高架有限元模型的计算结果。结果表明：柔性限高架撞击过程中的撞击力、累积撞击冲量、撞击力峰值、车辆位移、限高架横梁与立柱位移的计算较为准确，刚性限高架撞击过程中的动力响应计算误差相对更大，但在可接受范围内，说明质量–弹簧模型对于车辆与限高架碰撞问题有较高适用性和准确性。关键词限高架，质量–弹簧模型，有限元分析，碰撞ResearchonSimplifiedModelforCollisionbetweenVehiclesandNewFlexibleHeightRestrictionBarrierJiangfengTaoPingdingshanHighwayEngineeringCompany,PingdingshanHenanReceived:May23rd,2023;accepted:Jul.21st,2023;published:Jul.31st,2023AbstractThispaperpresentsathreedegreeoffreedommass-springmodelforsimplifiedcalculationofve-hicleimpactwithrigidandflexibleheightrestrictionbarriers,andcomparesthecalculationre-sultsofthesimplifiedmodelwiththefiniteelementmodelsofthetwotypesofheightrestrictionbarriersintermsofimpactforce,displacement,andotheraspects.Theresultsshowthatthecal-culationoftheimpactforce,cumulativeimpactimpulse,peakimpactforce,vehicledisplacement,anddisplacementoftheoverheadbeamandcolumnintheflexibleheightrestrictionbarrieris陶江峰DOI:10.12677/ojtt.2023.124039355交通技术moreaccurate.Thecalculationerrorintherigidheightrestrictionbarriersisrelativelylarger,butwithinanacceptablerange,indicatingthatthemass-springmodelhashighapplicabilityandac-curacyfortheimpactproblembetweenvehicleandheightrestrictionbarrier.KeywordsHeightRestrictionBarrier,Mass-SpringModel,FiniteElementAnalysis,CollisionCopyright©2023byauthor(s)an...
