DELIVERABLE 2.8 - urban track
DELIVERABLE 2.8 - urban track
DELIVERABLE 2.8 - urban track
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D0208_STIB_M24.doc<br />
TIP5-CT-2006-031312 Page 7 of 44<br />
URBAN TRACK Issued: August 13, 2008<br />
Quality checked and approved by project co-ordinator André Van Leuven<br />
2. BUILD-UP WELDING AND RELATED ISSUES<br />
2.1. GENERAL<br />
2.1.1. Problem description<br />
Figure 2.1<br />
Severe wear of rail in curves.<br />
Ancillary conditions for build-up welding dependent on the material.<br />
E.g. pre-heating for steel with high tensile strength.<br />
Narrow curves most often are situated in an unfavourable road/surface environment, so a change of<br />
rail is difficult and cost-intensive.<br />
Problem of change related to the wear of wheel/rail.<br />
Manganese steel/wear of wheel rim in Croydon (figure 2.1).
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