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Required coating on a steel pipe pile?

Required coating on a steel pipe pile?

Required coating on a steel pipe pile?

(OP)
Is any coating generally required on a steel pipe pile that is entirely below grade?

RE: Required coating on a steel pipe pile?

I've never heard of any - other than bitumen coating to help reduce, supposedly, downdrag forces.

RE: Required coating on a steel pipe pile?

Very seldom in soils, more usual in water for marine structures. The coating is going to be damaged during driving and will not offer a guaranted protection. Other solution to protect against corrosion is to consider a sacrificial thickness in the wall thickness of the pile ( common solution ) or cathodic protection ( less common and requires maintenance )

RE: Required coating on a steel pipe pile?

We used sacrficial zinc bars on H-piles on our Hartford, Ct I91/I84 interchange back in the 90's. The reason was the soil had been contaminated with incinerator waste decades before.

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