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济南电缆桥架表面防腐层如何选择?

  工程设计中常见的第三个问题是电缆桥架的类型没有标明防腐层的类型,也没有统一的书面描述。这一问题在现实中是有教训的,如我国在印尼承建一个总承包工程时,对钢电缆桥架表面的腐蚀处理没有进行盐雾试验,建成后不久桥梁就被严重腐蚀,不得不进行更换。电缆桥架表面防腐层主要有热浸锌、镀锌镍、冷浸锌、粉末静电喷涂等。厂家数据显示,热浸锌工艺寿命不低于40年,适用于室外重腐蚀环境,且成本较高。
  The third common problem in engineering design is that the type of cable tray does not indicate the type of anti-corrosion coating, and there is no unified written description. This problem has a lesson in reality. For example, when China contracted a general contract project in Indonesia, there was no salt spray test for the corrosion treatment of the steel cable bridge surface. Soon after the completion, the bridge was severely corroded and had to be replaced. The anticorrosive coating on the surface of cable tray mainly includes hot-dip galvanizing, galvanized nickel, cold-dip galvanizing, powder electrostatic spraying, etc. According to the manufacturer's data, the service life of hot-dip galvanizing process is not less than 40 years, which is suitable for outdoor heavy corrosion environment with high cost.
济南电缆桥架
  镀锌镍工艺寿命不小于30年,也适用于成本高、腐蚀严重的室外环境。冷镀锌工艺寿命不少于12年,适合户外光腐蚀环境,成本一般;粉末静电喷涂工艺寿命不少于12年,适合室内常温干燥环境,价格一般。设计人员应根据工程环境条件合理选择电缆桥架表面防腐层的类型,并在设计文件中明确表达。
  The service life of galvanizing nickel process is not less than 30 years, and it is also suitable for outdoor environment with high cost and serious corrosion. The service life of cold galvanizing process shall not be less than 12 years, which is suitable for outdoor light corrosion environment with general cost; the service life of powder electrostatic spraying process shall not be less than 12 years, which is suitable for indoor normal temperature and dry environment with general price. The designer shall reasonably select the type of anti-corrosion coating on the surface of cable tray according to the engineering environmental conditions and express it clearly in the design documents.
  以上是济南电缆桥架厂家为大家介绍的相关内容,想要了解更多内容,欢迎访问网站:http://www.sdhangfeng.com
  The above is the relevant content introduced by Jinan cable bridge manufacturer. If you want to know more, please visit the website: http://www.sdhangfeng.com
 
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