Analysis of New Superstructure Components of Railway Track in Tunnel Sozina in Montenegro

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

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Title Analysis of New Superstructure Components of Railway Track in Tunnel Sozina in Montenegro
 
Creator Zoran Krakutovski; University Ss Cyril and Methodius, Faculty of Civil Engineering Skopje, Republic of Macedonia
Darko Moslavac; University Ss Cyril and Methodius, Faculty of Civil Engineering Skopje, Republic of Macedonia
Zlatko Zafirovski; University Ss Cyril and Methodius, Faculty of Civil Engineering Skopje, Republic of Macedonia
Aleksandar Glavinov; University “Goce Delcev” – Stip, Military academy “General Mihailo Apostolski” Skopje, Republic of Macedonia
 
Subject railway superstructure; rails; sleepers; calculation of railway superstructure
 
Description The actual superstructure components of railway track in tunnel Sozina in Montenegro is with following materials: wooden sleepers, rail type 49, rigid fastening K system and crushed stone for ballast. The envisaged new railway superstructure should be completed with mono-block prestressed concrete sleepers, rail type 49E1, elastic fastening and crushed stone for ballast. The replacement of wooden sleepers with concrete sleepers and rigid with elastic fastening is the principal replace of superstructure components. This requirement is completed by the railway infrastructure company in Montenegro because the maintenance works of track are very important in the tunnel and the cross section of the tunnel allows usage of slippers with a length of 2.4 m. The influence of vertical track loads and of temperature changes on continuous welded track (CWT) is calculated for a new conception of track. The theoretical analysis under the influence of vertical loads on the track is carried out according to the Zimmerman and Eisenmann theoretical approach. The effect of axial forces from temperature changes are also calculated and added to the dynamic stresses in order to obtain the total stress in the rails, which were compared with a maximum allowable stresses. The effects of temperature changes, as well as crack of rails, are also considered. The stability of Continuous Welded Rails (CWR) on bulging under the impact of vertical or lateral forces is also verified.
 
Publisher CETRA 2016
 
Contributor
 
Date 2017-02-28 15:16:28
 
Type Peer-reviewed Paper
 
Identifier http://master.grad.hr/cetra/ocs/index.php/cetra4/cetra2016/paper/view/524
 
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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