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铁路桥梁常年经历雨雪风霜。如何保护桥梁钢材以减少锈蚀,延长桥梁使用寿命,降低运输成本,保证运输安全,是各国铁路所关心的事情,最近,世界上长大桥梁不断建成,更引起有关当局对桥梁油漆问题的考虑。现试对国外桥梁的油漆情况,在涂装前的钢铁表面处理,漆膜厚度,和漆种选择等几个方面以及国内桥梁油漆的发展,加以评述。
Railway bridges perennial experienced rain snow frost. How to protect bridge steel in order to reduce rust, extend the service life of bridges, reduce transportation costs and ensure the safety of transportation are the concerns of all railways in the world. Recently, the bridge that has grown bigger and bigger has been built in the world and the authorities concerned have also taken the issue of bridge paint into consideration. At present, we try to comment on the paint condition of foreign bridges, the surface treatment of steel before painting, the thickness of paint film and the selection of paint, as well as the development of domestic bridge paint.