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 Home > Introduction > Concrete Sleeper |
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Category |
Measurement |
Standard |
Source |
| Axis weight(Q) |
tf |
22(25) |
Article18, PC sleeper design specification
Article 62, National railroad construction rule |
| Axis weight per tire(P) |
11(12.5) |
| Design speed |
占쏙옙/h |
100 |
Article 5. National railroad construction rule |
| Arrangement of sleepers |
1st grade line |
占쏙옙 |
62.5 |
16ea/ 10m |
| 2nd grade line |
| Interval |
| (a) |
3rd grade line |
| 4th grade line |
| Geometrical Moment of Inertial (l) |
1st grade line |
占쏙옙4
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3,090 |
60kg rail |
| 2nd grade line |
| 3rd grade line |
1,960 |
50kg N rail |
| 4th grade line |
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| Category |
Measurement |
Standard |
Source |
| Axis weight(Q) |
tf |
16 |
Concrete standard specification |
| Axis weight per tire(P) |
8 |
Standard for concrete structure design |
| Design speed |
占쏙옙/h |
150 |
Article 5. National railroad construction rule |
| Arrangement of sleepers |
占쏙옙 |
62.5 |
16ea/ 10m |
| Interval |
Duty
Cycle(i) |
Design
speed(V)
150km/h |
i |
1.77 |
Formula from American Railroad Engineering Agency |
| Geometrical Moment of Inertial(I) |
占쏙옙4 |
3,090 |
60kg |
| 1,960 |
50kg |
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