Open Access
Table B5
Parameters of the optimised superstructure designs with periodically varying pad stiffness and sleeper spacings in pairs. The optimisation was carried out according to the second optimisation criterion.
| n p | Prop. | Sleeper positions |
Unit | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | |||
| 1 | s p | 450 (Reference) | MN/s | ||||||
|
|
d
s
|
0.709 (Reference) |
m |
||||||
| 2 | s p | 700 | 700 | … | MN/s | ||||
|
|
d
s
|
0.491 |
0.709 |
m |
|||||
| 3 | s p | 200 | 200 | 700 | … | MN/s | |||
|
|
d
s
|
0.491 |
0.709 |
0.491 |
m |
||||
| 4 | s p | 200 | 200 | 700 | 700 | … | MN/s | ||
|
|
d
s
|
0.491 |
0.709 |
0.491 |
0.491 |
m |
|||
| 5 | s p | 291 | 291 | 291 | 700 | 700 | … | MN/s | |
|
|
d
s
|
0.709 |
0.709 |
0.709 |
0.491 |
0.491 |
m |
||
| 6 | s p | 291 | 291 | 291 | 291 | 291 | 700 | … | MN/s |
|
|
d
s
|
0.709 |
0.709 |
0.709 |
0.491 |
0.491 |
0.491 |
m |
|
| 7 | s p | 291 | 291 | 700 | 291 | 700 | 291 | 700 | MN/s |
| m s | 0.491 | 0.709 | 0.491 | 0.709 | 0.491 | 0.709 | 0.709 | m | |
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