Approximate perspective design of roads

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dc.contributor.author Taiganidis, I en
dc.contributor.author Kanellaidis, G en
dc.date.accessioned 2014-03-01T11:44:28Z
dc.date.available 2014-03-01T11:44:28Z
dc.date.issued 1999 en
dc.identifier.issn 0733-947X en
dc.identifier.uri https://dspace.lib.ntua.gr/xmlui/handle/123456789/36958
dc.subject.classification Engineering, Civil en
dc.subject.classification Transportation Science & Technology en
dc.subject.other Approximation theory en
dc.subject.other Computer simulation en
dc.subject.other Design en
dc.subject.other Drawing (graphics) en
dc.subject.other Equal tangent parabola en
dc.subject.other Horizontal alignments en
dc.subject.other Road geometric design en
dc.subject.other Vanishing points en
dc.subject.other Vertical alignments en
dc.subject.other Roads and streets en
dc.title Approximate perspective design of roads en
heal.type other en
heal.identifier.primary 10.1061/(ASCE)0733-947X(1999)125:4(314) en
heal.identifier.secondary http://dx.doi.org/10.1061/(ASCE)0733-947X(1999)125:4(314) en
heal.language English en
heal.publicationDate 1999 en
heal.abstract Coordination of horizontal and vertical alignments is an important principle in road geometric design, and it should begin with preliminary design. Perspective drawings and sketches are considered to be effective means for evaluating this coordination. In the present paper, an approximate method is developed for the quick and adequately accurate drawing of the perspective of a road, and a relevant example is given. The method is based on the use of vanishing points and the properties of an equal-tangent parabola. It is assumed that the spatial curve of the centerline of a road element - defined as a road section along which the horizontal and vertical curvatures are constant - is an equal-tangent parabola. The proposed method does not substitute computer-aided drawing of the perspective, which is essential during the detailed design stage. It is nevertheless judged to be useful and more appropriate during the preliminary design stage, for it allows an engineer, designer, or researcher to reliably trace the perspective view of various horizontal and vertical alignment combinations and to obtain the desired coordination. en
heal.journalName Journal of Transportation Engineering en
dc.identifier.doi 10.1061/(ASCE)0733-947X(1999)125:4(314) en
dc.identifier.isi ISI:000080938100006 en
dc.identifier.volume 125 en
dc.identifier.issue 4 en
dc.identifier.spage 314 en
dc.identifier.epage 323 en

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