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Recent content by CivilEngineerUK

  1. CivilEngineerUK

    Fatigue verification of steel section exposed to corrosion

    @HTURKAK: It is a steel post for a noise barrier, subjected aerodynamic loads. Do you know if "normal" corrosion is worse compared to rust pitting?
  2. CivilEngineerUK

    Fatigue verification of steel section exposed to corrosion

    I have also looked in DNV. Is rust pitting and 120 years corrosion the same? The DNV describe a SN curve for free corrosion in saltwater, maybe that should be used even through the steel section is subjected to corrosion in soil and air?
  3. CivilEngineerUK

    Fatigue verification of steel section exposed to corrosion

    Eurocode for fatigue states that it's only valid (stated detailed category) if the steel is protected by coating, stainless steel or weathering steel. Corrosion may result in notches. In DNV it is stated that rust putting reduces the detail category with 2 classes. Therefore, proper corrosion...
  4. CivilEngineerUK

    Fatigue verification of steel section exposed to corrosion

    Do anyone have experience with fatigue verification of a steel (S355) section exposed to corrosion? Will the detail category decrease due to the corrosion. I can't find anything in Eurocode describing this subject?
  5. CivilEngineerUK

    Weathering steel

    The grade is 355
  6. CivilEngineerUK

    Weathering steel

    Which conditions are good / poor for welding stainless steel and weathering steel together? Furthermore, can cracks occur in weldings between stainless steel and weathering steel as they have different properties?
  7. CivilEngineerUK

    Weathering steel

    A classic steel-steel expansion joint, is that the roller joint or another joint type?
  8. CivilEngineerUK

    Weathering steel

    The figure is just a quick sketch. What do you mean with rollers inside the flanges?
  9. CivilEngineerUK

    Weathering steel

    The concrete panel (see figure) will move back and forth, and grind against the weathering column. How would you make that connection, so that abrasion of the steel column will not occur.
  10. CivilEngineerUK

    Weathering steel

    Why is it a bad idea to weld stainless steel on weathering steel? Would you instead weld another weathering steel plate on the main steel column, where the column has contact with another construction part going back and forth?
  11. CivilEngineerUK

    Weathering steel

    It is outdoor, a post for a noise barriere. Why would you not weld on weathering steel?
  12. CivilEngineerUK

    Leveling column with of preloaded anchors

    Where do you normally not use washers? In the top of bottom of the anchor? Furthermore, is there any standard/rule regarding length of the anchors?
  13. CivilEngineerUK

    Weathering steel

    To avoid abrasion, could it be an idea to weld a stainless steel plate on the weathering profile, where it has contact with other construction parts which moves back and forth?
  14. CivilEngineerUK

    Weathering steel

    I have a weathering steel column. 1) How to calculate corrosion after 120 years? Any standards to use?
  15. CivilEngineerUK

    Grout thickness

    I have a steel column welded on a base plate, size 500x400x30mm. Anchors are M48, which are preloaded. The steel column is connected to a concrete pile. 1) Which grout thickness should be used? 2) Dynamic/fatigue load occur in the connection (preloading anchors are used). Working life is 120...

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