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Coating crosses annulus oxygen Hai Daqiao is anticorrosive (5)
From;    Author:Stand originally
Step stake of Hai Daqiao steel tube through Hangzhou bay anticorrosive requirement analysis, use at present more advanced defend coating, namely monolayer weighs anticorrosive annulus oxygen coating, double deck weighs anticorrosive annulus oxygen coating and three-layer weigh anticorrosive annulus oxygen anticorrosive structure photograph combines coating, the picket of protective steel tube of utmost, picket of block delay steel tube is corroded, the fact proves pair of steel tube defending is correct, scientific. Functional sex weighs preservative coating will more and more get the attention of people, its market applies foreground will more and more capacious.

4, structure of coating of picket of steel tube of whole of Hangzhou bay big bridge and coating craft

1, structure of three-layer of picket of steel tube of whole of Hangzhou bay big bridge

The area below mud (signal of structure of 38m) of about 21 ~ is like graph La. Bear signal of 42m limits structure is made an appointment with to be like graph 1b under the stage. Steel tube picket bear signal of 8m limits structure is made an appointment with to be like graph 1c under the stage.

2, craft of coating of three-layer of picket of steel tube of whole of Hangzhou bay big bridge

Sketch map of craft of coating of powder of oxygen of annulus of three-layer frit knot 2.

A. This coating craft does not include the process such as pre-treatment of surface of steel tube picket, narrate surface of classics of steel tube picket to clear only except contaminant, throw ball, purify and after intermediate frequency heats, enter spray besmear to install spray technology of the system.
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