Scantling calculation with stiffener supporting deck load and bottom load?

Discussion in 'Fiberglass and Composite Boat Building' started by aldy syahri, Apr 14, 2022.

  1. aldy syahri
    Joined: Aug 2018
    Posts: 14
    Likes: 1, Points: 1
    Location: Indonesia

    aldy syahri Junior Member

    Hello all, I am always thinking about this type of construction. This stiffener needs to support the deck load and the bottom load.

    My question is:
    For scantling calculation, should we calculate them separately?
    or just add the minimum modulus from bottom and deck? Then compare to the modulus of the stiffener

    Thanks
     

    Attached Files:

    aldy syahri, Apr 14, 2022
    #1
  2. Alik
    Joined: Jul 2003
    Posts: 3,081
    Likes: 373, Points: 93, Legacy Rep: 1306
    Location: Thailand

    Alik Senior Member

    I would calculate them as:
    - calculate as bottom stiffeners
    - for deck, treat them as natural stiffeners, and calculate deck panels only. If deck panels do not comply, add extra deck stiffeners for deck molding only.
     
    Alik, Apr 15, 2022
    #2
    aldy syahri likes this.
  3. aldy syahri
    Joined: Aug 2018
    Posts: 14
    Likes: 1, Points: 1
    Location: Indonesia

    aldy syahri Junior Member

    Thank for the reply,
     
    aldy syahri, Apr 15, 2022
    #3
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