Explanation/Annotation:In soils of all groups in areas with active manifestations of permafrost deformations.
Detailed model description:In cable conduit, pipes, blocs, on bridges and trestle-works in case of increased the demands for stability to mechanical âîçäåéñâèÿì, including the building on river transfers through navigable rivers and deep waters of ponds, through bog.
construction peculiarity of protective cover:
Òðóáàòûé core, single-layer iron wire armor with increased by the stability to pull loads, àëáìîïîëèýòèëåíîâàÿ envelope, single-layer liner from steel, external polyethilene shell.
characteristic:
- central tube with optical fibers of ñâîäîáíîãî stowed or in bundles and hydrophobe gel;
- hydrophobic filling material;
- Áðîíåïîêðîâ from steel galvanized the rope wires with tensile strength on break no less than 1560 ÌÏà/êâ. MM;
- water blocking and àëþìîïîëèýòèëåíîâàÿ belt;
- internal polyethilene shell;
- Áðîíåïîêðîâ from steel galvanized the rope wires with tensile strength on break no less than 1560 ÌÏà/êâ. MM;
- external polyethilene shell. |
