| 发明名称 |
REINFORCED CONCRETE SLEEPER |
| 摘要 |
FIELD: construction. ^ SUBSTANCE: reinforced concrete sleeper, a rectangular, prestressed and spring concrete one, is manufactured with a ledge in the middle part of the lower bed at a length that is equal to the area of compressing edge stress exposure. ^ EFFECT: reduced material intensity and increased resistance to sleeper displacement in a direction transverse to the track axis. ^ 1 dwg |
| 申请公布号 |
RU2433218(C2) |
申请公布日期 |
2011.11.10 |
| 申请号 |
RU20090100636 |
申请日期 |
2009.01.11 |
| 申请人 |
NOVAKOVICH VASILIJ IVANOVICH;BABADEEV IVAN SERGEEVICH;KIREEVNIN ALEKSANDR ALEKSEEVICH |
发明人 |
NOVAKOVICH VASILIJ IVANOVICH;BABADEEV IVAN SERGEEVICH;KIREEVNIN ALEKSANDR ALEKSEEVICH |
| 分类号 |
E01B3/28;E01B3/32;E01B3/34 |
主分类号 |
E01B3/28 |
| 代理机构 |
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代理人 |
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| 主权项 |
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