DELIVERABLE 2.8 - urban track
DELIVERABLE 2.8 - urban track
DELIVERABLE 2.8 - urban track
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2.7. VIENNA<br />
Figure 2.10<br />
Rails<br />
D0208_STIB_M24.doc<br />
TIP5-CT-2006-031312 Page 18 of 44<br />
URBAN TRACK Issued: August 13, 2008<br />
Quality checked and approved by project co-ordinator André Van Leuven<br />
Rails of 700 N/mm² quality, when head hardened 800 N/mm².<br />
Use of 900 N/mm² for test purposes in curves.<br />
Build-up welding<br />
After data verification of rail measure vehicle, and visual inspection.<br />
4 – 5 welding teams in service every night (0.30 – 5.00 h).<br />
80-90% of the work carried out by external private companies.<br />
15 – 20 m for every night (3/4 of the time for welding purposes).<br />
Depending on the wear the weld metal bead will be applied in several layers.
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