At present, the domestic production lines for concreteweightcoating of submarine pipeline are basically imported.
目前，国内管道混凝土配重涂敷厂的生产装备基本为国外进口。
2
Features: Concreteweightcoating is used to provide pipe stability on the sea bed as well as superior mechanical protection.
涂层特性：混凝土配重使管道能够稳定地保持在海床上，同时为管道提供有效的机械保护。
3
In the respect of loss weight, with the increased corrosivity in solution, concrete samples lose more weight, with HPC and NHPC samples mainly peeling cement paste, and WHPC samples peeling coating.