Open Access
Table C1
Parameter values of the superstructure designs with the most successful variation schemes; the corresponding vibration quantities are shown in Figure 5 and the associated variation schemes of the corresponding acronyms can be found in Table 4.
| Acronym | Prop. | Sleeper positions |
Unit | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | |||
| S1opt |
s
p
|
200 |
325 |
700 |
325 |
325 |
700 |
… |
MN/s |
|
| S2opt |
m
s
|
120 |
120 |
120 |
120 |
180 |
|
… |
kg |
|
| S3opt |
d
s
|
0.491 |
0.491 |
0.491 |
0.709 |
0.709 |
0.709 |
… |
m |
|
| S4opt |
d
s
|
0.6 (σ = 0.109 m) |
|
m |
||||||
| P1opt | s p | 200 | 700 | 450 | 450 | 200 | 700 | … | MN/s | |
|
m
s
|
180 |
120 |
180 |
180 |
180 |
120 |
|
kg |
||
| P2opt | s p | 291 | 291 | 291 | 700 | 700 | … | MN/s | ||
|
d
s
|
0.709 |
0.709 |
0.709 |
0.491 |
0.491 |
|
|
kg |
||
| T1opt | s p | 200 | 200 | 450 | 450 | 700 | 700 | 200 | 700 | MN/s |
| m s | 180 | 180 | 180 | 180 | 120 | 120 | 180 | 120 | kg | |
| d s | 0.6 (σ = 0.109 m) | m | ||||||||
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