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P. Beaty, R. Lewis, B. Temple, M.B. Marshall, "Experimental Modelling of Rail End Lipping in Insulated Joints", in J. Pombo, (Editor), "Proceedings of the Second International Conference on Railway Technology: Research, Development and Maintenance", Civil-Comp Press, Stirlingshire, UK, Paper 183, 2014. doi:10.4203/ccp.104.183

Keywords: insulated rail joint, lipping, endpost, track circuit, IBJ.

Summary

Insulated joints are used in the railway industry to mechanically join two pieces of the track whilst keeping them electrically insulated from one another. They are used for train detection as part of the signalling system. These joints can fail electrically because of plastic deformation and flow of the steel over the joint endpost which separates the two rails. This failure mode has been experimentally modelled using a twin disc testing machine and the effects of endpost material, endpost thickness and rail steel grade have been investigated. It has been found that alteration of the endpost thickness can affect the failure mode. An increase in thickness can increase the time to failure. Altering the endpost material and strengthening / hardening of the rail steel decreases material flow of the steel, increasing the time to failure.

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Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 104 PROCEEDINGS OF THE SECOND INTERNATIONAL CONFERENCE ON RAILWAY TECHNOLOGY: RESEARCH, DEVELOPMENT AND MAINTENANCE Edited by: J. Pombo Paper 183 Experimental Modelling of Rail End Lipping in Insulated Joints P. Beaty^1,2, R. Lewis², B. Temple¹ and M.B. Marshall² ¹LB Foster Rail Technologies (UK) Ltd., Sheffield, UK ²The University of Sheffield, UK doi:10.4203/ccp.104.183 purchase the full-text of this paper Full Bibliographic Reference for this paper P. Beaty, R. Lewis, B. Temple, M.B. Marshall, "Experimental Modelling of Rail End Lipping in Insulated Joints", in J. Pombo, (Editor), "Proceedings of the Second International Conference on Railway Technology: Research, Development and Maintenance", Civil-Comp Press, Stirlingshire, UK, Paper 183, 2014. doi:10.4203/ccp.104.183 Keywords: insulated rail joint, lipping, endpost, track circuit, IBJ. Summary Insulated joints are used in the railway industry to mechanically join two pieces of the track whilst keeping them electrically insulated from one another. They are used for train detection as part of the signalling system. These joints can fail electrically because of plastic deformation and flow of the steel over the joint endpost which separates the two rails. This failure mode has been experimentally modelled using a twin disc testing machine and the effects of endpost material, endpost thickness and rail steel grade have been investigated. It has been found that alteration of the endpost thickness can affect the failure mode. An increase in thickness can increase the time to failure. Altering the endpost material and strengthening / hardening of the rail steel decreases material flow of the steel, increasing the time to failure. purchase the full-text of this paper (price £20) go to the previous paper go to the next paper return to the table of contents return to the book description purchase this book (price £65 +P&P)
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