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 40 of 44<br />
URBAN TRACK Issued: August 13, 2008<br />
Quality checked and approved by project co-ordinator André Van Leuven<br />
3.5. EVALUATION OF THE LIFE CYCLE COSTS OF THE NEW GEOMETRY<br />
Figure 3.18<br />
For the verification and obtaining of practical experience a comparative measurement investigation was<br />
performed. The first inspection shows already that typical peaks at the connecting areas vanished with<br />
the new geometry. The comprehensive deterministic and statistical evaluation clearly proofs the<br />
advantages of centre of gravity alignment design by means of better running characteristics. This reduces<br />
the wear and hence the current maintenance cost.<br />
The lower wear of the <strong>track</strong>s and the lower strain of the <strong>track</strong> superstructure extend the service life in the<br />
<strong>track</strong> and the lifecycle of the <strong>track</strong> superstructure. Hence the lifecycle cost drops. In addition the lower<br />
wear has a positive impact on the current costs. Previous experiences show, that a reduction of the<br />
lifecycle costs of up to 15% can be expected. In the following figure the differences in cost of installation<br />
and maintenance between the conventional alignment and the Viennese Curve are illustrated. Although<br />
additional expenses due the ATM-curve are expected, the total costs, due the maintenance savings<br />
because of the new alignment are reduced.<br />
LyfeCycle Cost model
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