FIELD: hydraulic engineering. SUBSTANCE: curtain for protection of underwater pipeline from washing-out consists of sections each of which includes ballast pockets located at its edges and grate arranged between them and made of wood or metal plates enclosed by frame. Sections are installed on bottom with overlaps equalling length of each ballast pocket. EFFECT: higher efficiency. 3 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD FOR REPAIR OF UNCOVERED SECTION OF UNDERWATER PIPELINE | 1992 |
|
RU2029013C1 |
| CURTAIN FOR EROSION-PROTECTION OF UNDERWATER PIPELINE | 0 |
|
SU1395732A1 |
| FISH-PASSING LOCK | 0 |
|
SU1094892A1 |
| GUIDING ARRANGEMENT FOR PASSING SHIPS | 0 |
|
SU1271926A1 |
| DOUBLE-ACTING CABLE SCRAPER FOR UNDERWATER TRENCH DIGGING | 0 |
|
SU1775532A1 |
| SLOPE CHAMBER FREE SHIP-RAISING DEVICE | 1992 |
|
RU2057846C1 |
| FLOATING SLIPWAY | 0 |
|
SU738941A1 |
| HYDROMECHANICAL SOIL INTAKE OF SUCTION DREDGE SUCTION MEMBER | 0 |
|
SU897970A1 |
| METHOD AND APPARATUS FOR BOTTOM STRENGTHENING | 0 |
|
SU1102836A1 |
| 0 |
|
SU527497A1 |
