THE FOURTH DEGREE PARABOLA (BI-QUADRATIC PARABOLA) AS A TRANSITION CURVE

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dc.authoridPIRTI, Atinc/0000-0001-9197-3411
dc.contributor.authorPirti, Atinc
dc.contributor.authorYucel, M. Ali
dc.date.accessioned2025-01-27T21:24:00Z
dc.date.available2025-01-27T21:24:00Z
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.issn1848-6339
dc.identifier.issue1
dc.identifier.startpage19
dc.identifier.urihttps://hdl.handle.net/20.500.12428/29396
dc.identifier.volume19
dc.identifier.wosWOS:000302381800003
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.language.isoen
dc.publisherUniv Osijek, Tech Fac
dc.relation.ispartofTehnicki Vjesnik-Technical Gazette
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectfourth degree parabola
dc.subjecthighway and railway route
dc.subjectclothoid
dc.subjecttransition curve
dc.titleTHE FOURTH DEGREE PARABOLA (BI-QUADRATIC PARABOLA) AS A TRANSITION CURVE
dc.typeArticle

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