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  • Simply supported, or fixed beam ?

    zaveri

    zaveri

    @zaveri-5TD6Sk
    Updated: Oct 23, 2024
    Views: 1.5K
    What kind of a beam is a ceiling joist ?

    Obviously it sounds like fixed type. but last month i was going through a solid-mechanics text book, and it said that the type was simply supported.
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  • Jeffrey Arulraj

    Member • Sep 15, 2012

    what is a ceiling joist can any one post a picture of it
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  • pikachu1994

    Member • Sep 15, 2012

    jeffrey samuel
    what is a ceiling joist can any one post a picture of it
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  • Jeffrey Arulraj

    Member • Sep 15, 2012

    from picture there is no point in concluding that this is a simply supported beam

    the true definition of fixed beam is that the beam is attached to the column by some binders like RCC and stuff
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  • Saiwal

    Member • Sep 16, 2012

    the beam shown in the picture is a continuous beam. Simply supported and fixed beams are ideal cases which rarely exist in real world applications.
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  • zaveri

    Member • Sep 17, 2012

    let me tell you the difference between a fixed beam and a simply supported one;

    fixed beam: all degrees of freedom at the end points of this beam are arrested. in other words, the beam is stiffly fixed at both the ends.

    simply supported beam: degrees of freedom only along the y-direction is arrested. it can still move in the x and z-directions.

    now coming back to the ceiling joist, it appears to be fixed rigidly, so then how is it simply supported ?
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  • Jeffrey Arulraj

    Member • Sep 17, 2012

    it is continuously supported held there is provision either to fix it or let it be free
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  • vamsi kancharla

    Member • Oct 6, 2012

    zaveri
    What kind of a beam is a ceiling joist ?

    Obviously it sounds like fixed type. but last month i was going through a solid-mechanics text book, and it said that the type was simply supported.
    it is not simply supported it bears ceeling weight and transfers to ground through PILLARS or COLOUMNS
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  • Jeffrey Arulraj

    Member • Oct 6, 2012

    yup but we don't see any fixing of the beam to any of them they are placed on top of em with out being clamped tight
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  • Mohamed Amir

    Member • Nov 3, 2012

    it is partially not totally fixed.......
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