DELIVERABLE 2.8 - urban track

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D0208_STIB_M24.doc TIP5-CT-2006-031312 Page 26 of 44 URBAN TRACK Issued: August 13, 2008 Quality checked and approved by project co-ordinator André Van Leuven
Figure 3.3 D0208_STIB_M24.doc TIP5-CT-2006-031312 Page 27 of 44 URBAN TRACK Issued: August 13, 2008 Quality checked and approved by project co-ordinator André Van Leuven Differences between the conventionally alignment and the Viennese Curve The conventionally alignment (clothoid), considers the vehicle as a mass point moving longitudinally on the centre of the track. Superelevation is achieved by rotation in the track plane. The centre of gravity of the vehicle lies not on the centre of the track but in a certain height over the track. The Viennese Curve allows leading the vehicle in a way, that the curve driving powers directly affect the centre of gravity. Discontinuity in the vehicle movement, forces, peaks and jerks are going to be minimised with this new alignment. The smooth drive over, and the lower forces at the beginning and the end of the transition spiral cause fewer maintenance interventions and therefore reduced costs.
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Page 5 and 6: 0.6. CONCLUSIONS D0208_STIB_M24.doc
Page 11 and 12: Figure 2.3 Figure 2.4 Lateral widen
Page 13 and 14: 2.3. BREMEN (BSAG) D0208_STIB_M24.d
Page 15 and 16: 2.4. SAARBAHN Figure 2.7 Rail profi
Page 17 and 18: 2.6. KARLSRUHE (VBK) Figure 2.9 Rai
Page 19 and 20: Figure 2.11 Figure 2.12 Test of dif
Page 21 and 22: 2.9. NEW DEVELOPMENTS D0208_STIB_M2
Page 23 and 24: 3. THE VIENNESE CURVE 3.1. INTRODUC
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Page 29 and 30: Figure 3.5 D0208_STIB_M24.doc TIP5-
Page 31 and 32: Figure 3.6 Figure 3.7 Bezogene Übe
Page 33 and 34: 3.3. IMPLEMENTATION Figure 3.9 Figu
Page 35 and 36: Figure 3.14 Figure 3.15 D0208_STIB_
Page 37 and 38: Figure 3.16 D0208_STIB_M24.doc TIP5
Page 41 and 42: Figure 3.19 D0208_STIB_M24.doc TIP5

DELIVERABLE 2.8 - urban track

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