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Thread: Tower and buttress bays

  1. #1
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    Default Tower and buttress bays

    If I'm erecting a 28m tower x 3.5 wide in layher, how many buttress bays do I erect around the base of the tower. Do I just erect 9m (3 x 3m bays) behind the scaffold or do I support the sides as well with buttress bays to avoid side to side movement. I'm not able to anchor to face of building. Any advice or guidelines?

  2. #2
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    Look in the Layher manufacturer information/user guide, if its not in there it will be a design job

  3. #3
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    1) If you are using the 3:1 basis for your 9m it is not enough you would need 9.35m minimum
    2) you may find that this only applies to internal scaffolds not external
    3) the 3:1 option refers to the minimum base dimension thus would apply in all directions.
    4) External scaffolds would need design against wind

    my recommendation would be get a design in all cases
    regards
    Alan

  4. The Following User Says Thank You to Alan Reade For This Useful Post:

    scaffcon (19th June 2019)

  5. #4
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    Wise words as ever Alan

    Layhers latest Technical Guide appears to stop at 12.5m for a free standing buttressed tower, so follow Alans advice and go get a design.

  6. The Following User Says Thank You to steveprower For This Useful Post:

    scaffcon (19th June 2019)

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