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Thread: perforated beam

  1. #1
    Associate Engineer
    Join Date
    Jan 2019
    Posts
    1

    perforated beam

    Hi

    I would like some guidance about the stress distribution of a beam with a rectangular opening (in the web).


    Thank you

  2. #2
    Lead Engineer Cake of Doom's Avatar
    Join Date
    Aug 2012
    Location
    UK
    Posts
    434
    Depends on the size of the hole. If it's small, say for some light load services, the local deflections may be negligible (10% or less of the beam depth ~). If it's a large hole, I'd look at the Vierendeel type actions around the opening as some local stiffening may be in order.

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