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寿县合兴钢结构浅谈钢结构表面预处理方法的选择

发布时间:2015-11-21 10:08:20 浏览次数:538

钢结构表面处理方法人工除锈、机械除锈,喷砂除锈,化学除锈等[ 9 ]。人工除锈、机械除锈效果时,劳动强度较大,一般用除锈质量要求高一大的除锈处理,除锈质量要求高的大型工程对不可,这两种技术采用除锈。



酸洗除锈,除锈等级达到优秀,地上的血,有点低,涂层的附着力通常达不到要求酸洗除锈防腐质量不适合大型构件的녹을。喷砂除锈,除锈效果好,除锈后表面除锈质量及血,能达到的除锈效率也很高。所以现在钢结构防腐工程中一般采用喷砂除锈,除锈质量Sa达2.5级,Ra 30至70原因,大型m。



Steel structure surface treatment method of artificial derusting, derusting machine, sand blasting, rust and other chemical [9]. Artificial derusting, a mechanical derusting effect, labor intensity larger, general derusting quality requirements higher rust treatment, derusting quality requirements of large engineering of, the two techniques using rust.



Pickling derusting grade to achieve excellence, blood on the ground, there is low and the adhesion of the coatings often as not to requirements is not suitable for large components quality of pickling descaling and antisepsis. Sand blasting, rust removal effect is good, and the quality of blood surface rust rust, rust removal efficiency can reach very high. So now the anti-corrosion of steel structure engineering by sand blasting, rust quality Sa up to 2.5, 30 to 70 Ra, large M.



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