Explanation/Annotation:In soils of all groups in case of building in trench, groups 1-3 in case of building by the íîæåâûì cable-layer.
Detailed model description:In cable conduit, pipes, blocs, on bridges and trestle-works in case of increased the demands for stability to mechanical âîçäåéñâèÿì; for hanger on tangent towers, contact railroad network, on supports of communication lines, in case of high level of external electro-magnetic influences.
construction peculiarity of protective cover:
core of modular construction with dielectric ÖÑÝ, polyethilene shell, single-layer iron wire armor, external polyethilene shell.
characteristic:
- pivot - glass reinforced plastic rod;
- ÏÁÒ pipe with optical fibers and hydrophobe gel;
- Êîðäåëü;
- hydrophobic filling material;
- internal polyethilene shell;
- Áðîíåïîêðîâ from glass reinforced plastic rods;
- external polyethilene shell. |
