Analysis of Solutions for Superelevation Design from the Standpoint of Efficient Drainage

4th International Conference on Road and Rail Infrastructure (CETRA 2016)

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Title Analysis of Solutions for Superelevation Design from the Standpoint of Efficient Drainage
 
Creator Martina Zagvozda; University of J.J. Strossmayer in Osijek Faculty of Civil Engineering Osijek
Željko Korlaet; University of Zagreb Faculty of Civil Engineering
 
Subject superelevation; geometric design; sufficient drainage
 
Description The determination of pavement cross slope is integral part of geometric design of roads. It is performed due to reasons of driving dynamics i.e. to ensure lateral stability of vehicle in a curve and also to assure optimal drainage of pavement. Empirical knowledge, incorporated in guidelines for road design in many countries, indicate that the minimum value of cross slope to ensure sufficient drainage is 2.5%, which is also common value on the tangent parts of the road. The problem occurs on parts of the route between the opposite curves in which, due to the need for change in cross slope direction, the cross slope ranges from 0-2.5%. A particular problem occurs on parts of the route with (too) small longitudinal gradient, which does not ensure efficient drainage in the longitudinal direction. The subject of this paper is analysis of options for superelevation design in a number of countries (CRO, D, A, CH, UK, USA, AUS), and a critical comparison of available solutions, considering the criteria of efficiency or optimization of pavement drainage.
 
Publisher CETRA 2016
 
Contributor
 
Date 2017-02-28 15:20:11
 
Type Peer-reviewed Paper
 
Identifier http://master.grad.hr/cetra/ocs/index.php/cetra4/cetra2016/paper/view/596
 
Source CETRA 2016; 4th International Conference on Road and Rail Infrastructure
 
Language en
 
Rights Authors who submit to this conference agree to the following terms:<br /> <strong>a)</strong> Authors retain copyright over their work, while allowing the conference to place this unpublished work under a <a href="http://creativecommons.org/licenses/by/3.0/">Creative Commons Attribution License</a>, which allows others to freely access, use, and share the work, with an acknowledgement of the work's authorship and its initial presentation at this conference. <br /> <strong>b)</strong> Submitted full papers will be published in the book of proceedings "Road and Rail Infrastructure IV" as well as in digital form (on a CD). Conference organiser is allowed to publish author's names, institution and country as well as the paper abstract on the conference web site.
 

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