FIELD: construction of railways and bridges.
SUBSTANCE: sleeper contains a protrusion on the sole in a sub-sleeper zone, which has an arbitrary shape in the cross section and is made with a wide width in range from 150 to 250 mm, overall length from 100 to 299 mm and overall height from 50 to 150 mm.
EFFECT: provides higher bearing capacity of a rail support, reliability and durability.
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| Title | Year | Author | Number |
|---|---|---|---|
| REINFORCED CONCRETE SLEEPER | 2013 |
|
RU2536433C2 |
| OUTHANG OF SLEEPER | 2017 |
|
RU2646703C1 |
| REINFORCED CONCRETE SLEEPER | 2016 |
|
RU2631148C1 |
| REINFORCED CONCRETE SLEEPER | 2012 |
|
RU2504610C1 |
| SLEEPER | 2010 |
|
RU2422575C1 |
| PRODUCTION OF ROAD-METAL | 2014 |
|
RU2556550C1 |
| SLEEPER | 2018 |
|
RU2675743C1 |
| RAIL SUPPORT WITH SHOCK ABSORBER AND METHOD OF ITS MANUFACTURING | 2010 |
|
RU2432428C1 |
| REINFORCED CONCRETE UNDERRAIL BASE AND METHOD OF ITS CONSTRUCTION | 2004 |
|
RU2250279C1 |
| SLEEPER | 2009 |
|
RU2413047C1 |
