Method for optimal vertical alignment of highways
نویسندگان
چکیده
منابع مشابه
OPTIMIZATION OF VERTICAL ALIGNMENT OF HIGHWAYS IN TERMS OF EARTHWORK COST USING COLLIDING BODIES OPTIMIZATION ALGORITHM
One of the most important factors that affects construction costs of highways is the earthwork cost. On the other hand, the earthwork cost strongly depends on the design of vertical alignment or project line. In this study, at first, the problem of vertical alignment optimization was formulated. To this end, station, elevation and vertical curve length in case of each point of vertical intersec...
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For two points p and q in the plane, a straight line h, called a highway, and a real v > 1, we define the travel time (also known as the city distance) from p and q to be the time needed to traverse a quickest path from p to q, where the distance is measured with speed v on h and with speed 1 in the underlying metric elsewhere. Given a set S of n points in the plane and a highway speed v, we co...
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In this paper we consider the problem of constructing optimal highways. For two points p and q in the plane, a line h—the highway—and a real v > 1, we define the travel time (also known as the City distance) from p and q to be the time needed to traverse a quickest path from p to q, where distances are measured in the Manhattan (i.e. the L1-) metric, and the speed on h is v and elsewhere 1. Giv...
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We developed a novel method of vertical alignment of SWNTs using a single-step process for the simultaneous vertical alignment of the SWNTs by a magnetic field and the fixation of their alignment by means of the direct evaporation of the films. We fabricated Fe-oxide/SWNT samples that are reacted by iron-oleate complex, oleic acid and cut SWNTs in 1-octadecene. The Fe-oxide/SWNT samples are dis...
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Formal, logic-based semantics have long been neglected in ontology matching. As a result, almost all matching systems produce incoherent alignments of ontologies. In this paper we propose a new method for repairing such incoherent alignments that extends previous work on this subject. We describe our approach within the theory of diagnosis and introduce the notion of a local optimal diagnosis. ...
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ژورنال
عنوان ژورنال: Proceedings of the Institution of Civil Engineers - Transport
سال: 2009
ISSN: 0965-092X,1751-7710
DOI: 10.1680/tran.2009.162.4.177