本文结合泉州市某大桥收费站钢结构网架工程实例，探讨了近海大气中钢结构的耐腐蚀性能。
By looking into the case study of a Bridge Toll Gate being located in Quanzhou, this paper studies the corrosion resistance of the steel structure in Marine atmosphere.
1镀锌钢格栅特点：强度高，钢结构网架结构具有较高的承载，结构轻巧，升降方便等特点，美观，耐用。
1 galvanized steel grating features: high strength, steel structure: strong grid structure which has high bearing, light structure, convenient lifting characteristics such as appearance, durable.
预应力钢结构的提出和应用已经历了将近半个世纪，而预应力钢网架的应用，还只是近二十年的事。
The presentation and application of prestressed steel structure has come through about half a century, but the application of prestressed double layer space grids is merely twenty years.
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