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Problem Solving Forum (20)


When performing maintenance surveys on structures that require coatings under insulation, how do you inspect the condition of the coatings?


I am the facility manager for a new amusement park that will operate year-round in a hot, humid environment. Some critical structural steel in the heart of the park needs to be protected from corrosion and at the same time to retain very good appearance properties for as long as possible, since maintenance painting is disruptive. What coating system should I select to achieve the longest useful life, given that cost is a secondary consideration, and how long will this system look good while providing corrosion protection?


When we use field splice plate connections on structural steel projects, how do we prevent rust and rust staining at bolt heads and at the splice plate/steel interface?


Should the surfaces of flanges be coated to prevent corrosion? Why or why not?


Structural engineers often prefer mechanically galvanized bolts for accurate tightening while corrosion experts often prefer hot-dip galvanized bolts for superior corrosion protection. How do you resolve this inherent conflict?


How do I minimize corrosion at the splash zone on sheet pile and piping in brackish water?


In preparing for coating, what is the best way to treat a steel surface that has been attacked by microbiologically influenced corrosion (MIC)?


What types of measures can be taken on or around metal pipes or columns that penetrate concrete or asphalt paving to reduce corrosion at the interface?


How can active corrosion be determined on a live pipeline?


What is the best way to prevent corrosion of reinforcing bar in concrete?


I am the facility manager for a new amusement park that will operate year-round in a hot, humid environment. What protective coating system should I select to achieve the longest useful life (cost is a secondary consideration), and what performance can I expect?


When we use field splice plate connections on structural steel projects, how do we prevent rust and rust staining at bolt heads and at the splice plate/steel interface?


I have galvanized steel in direct contact with powder-coated aluminum in an outdoor exposure. The galvanized steel is corroding. What is the best way to remedy the situation?


Should the surfaces of flanges be coated to prevent corrosion? Why or why not?


What’s the best way to prevent corrosion of reinforcing bar in concrete?


What types of measures can be taken on or around metal pipes or columns that penetrate concrete or asphalt paving to reduce corrosion at the interface?


In preparing for coating, what is the best way to treat a steel surface that has been attacked by microbiologically influenced corrosion (MIC)?


How do I minimize corrosion at the splash zone on sheet pile and piping in brackish water?


How can active corrosion be determined on a live pipeline?


What’s the best way to prevent corrosion of reinforcing bar in concrete?


 
 
   

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