跨越中的油气管道,处在极为恶劣的自然环境中,管道和桁架的防腐保护愈加显得重要。为此本文着重讨论管道在跨越中如何提高电绝缘强度和采取涂层保护,同时举例说明桁架钢桩的牺牲阳极保护方法。 Over the pipeline, in extremely harsh natural environment, pipe and truss corrosion protection is increasingly important. For this reason, this article focuses on how the pipeline improves the electrical insulation strength and the protection of the coating during the spanning, and at the same time, illustrates the sacrificial anode protection method of truss steel piles.