FIELD: water supply systems. SUBSTANCE: reinforced- concrete pipe has continuous steel cylinder with spiral and longitudinal fittings with concrete located round cylinder. EFFECT: provided strong internal surface of reinforced concrete pipes. 3 dwg
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|---|---|---|---|
| REINFORCED CONCRETE PIPE | 2008 |
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RU2378112C1 |
| BRIDGE SUPPORT | 2015 |
|
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| ROOF | 2009 |
|
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| AUTOMOBILE ROAD | 2020 |
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| METHOD OF MAKING TUBULAR REINFORCED CONCRETE STRUCTURES | 0 |
|
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| REINFORCED CONCRETE PIPE WITH INNER GLASS-COMPOSITE CORE FOR PRESSURE AND PRESSURE-FREE PIPELINES LAID BY MICROTUNNELING | 2019 |
|
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| ROOF | 2004 |
|
RU2267585C1 |
| CROSSING | 2010 |
|
RU2421564C1 |
