铁道技术监督
鐵道技術鑑督
철도기술감독
2011年
8期
21-24
,共4页
无缝线路%轨道稳定性%有限元法%钢轨鼓曲
無縫線路%軌道穩定性%有限元法%鋼軌鼓麯
무봉선로%궤도은정성%유한원법%강궤고곡
Continuously Welded Rail Track%Track Stability%Finite Element Method%Track Buckling
运用有限单元法和无缝线路横向鼓曲稳定性理论,建立无缝线路横向稳定性计算模型,分析钢轨初始弯曲矢度、波长、导曲线半径及道床横向阻力对无缝线路稳定性的影响,提出提高无缝线路横向稳定性的具体措施。
運用有限單元法和無縫線路橫嚮鼓麯穩定性理論,建立無縫線路橫嚮穩定性計算模型,分析鋼軌初始彎麯矢度、波長、導麯線半徑及道床橫嚮阻力對無縫線路穩定性的影響,提齣提高無縫線路橫嚮穩定性的具體措施。
운용유한단원법화무봉선로횡향고곡은정성이론,건립무봉선로횡향은정성계산모형,분석강궤초시만곡시도、파장、도곡선반경급도상횡향조력대무봉선로은정성적영향,제출제고무봉선로횡향은정성적구체조시。
On the basis of the theory of FEM（finite element method） and transverse buckling stability of continuously welded rail track,the transverse stability of continuously welded rail track model is established.In the model,the initial bending deformation,the wavelength,the radius of guiding curve and the ballast lateral resistance are taken into account to analyze their effect on the stability of continuously welded rail track.The concrete measures on strengthening transverse stability of continuously welded rail track are put forward.
