The fourth degree parabola (Bi-quadratic parabola) as a transition curve

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dc.contributor.authorPirti, Atinç
dc.contributor.authorAli Yücel, M.
dc.date.accessioned2025-01-27T19:04:06Z
dc.date.available2025-01-27T19:04:06Z
dc.date.issued2012
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractThe transition curves in the modern road and railway construction are route elements equally crucial as alignment and curve (circular). In order to prevent a sudden change of the centrifugal force, the transition curve must be applied due to the impact of the motion in a sharp curve. Over the years the application of the clothoid has become widespread in many countries in the world. However, in this study, in order to eliminate the problems concerning the road dynamics, created by clothoid for vehicles at high speed, the fourth degree parabola (Bi-quadratic parabola) is examined. The possibility of using bi-quadratic parabola in defining transition curves during design of transportation facilities is analyzed in the paper. Basic properties of bi-quadratic parabolas, their fundamental mathematical expression, calculation of point coordinates, driving-dynamic characteristics of bi-quadratic parabolas are described, and the function of change in curvature and lateral impact along the bi-quadratic parabola is presented.
dc.identifier.endpage26
dc.identifier.issn1330-3651
dc.identifier.issue1
dc.identifier.scopus2-s2.0-84859205412
dc.identifier.scopusqualityQ3
dc.identifier.startpage19
dc.identifier.urihttps://hdl.handle.net/20.500.12428/13808
dc.identifier.volume19
dc.indekslendigikaynakScopus
dc.language.isoen
dc.relation.ispartofTehnicki Vjesnik
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_Scopus_20250125
dc.subjectClothoid; Fourth degree parabola; Highway and railway route; Transition curve
dc.titleThe fourth degree parabola (Bi-quadratic parabola) as a transition curve
dc.title.alternativeParabola ?etvrtog stupnja (bi-kvadratna parabola) kao prijelazna krivulja
dc.typeArticle

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