This paper analyzes the manufacturing of tee shapes for stiffening ship structure. The traditional method of deflanging hot-rolled I-beams (producing I/T shapes) has been compared to the practice of fabricating tee- shapes from plate. A group of more than 1700 I/T shapes used in the DDG-51 class vessel was used for comparisons. To produce the I/T shapes for one DDG. flanges are stripped from more than 700 tonnes (690 long tons) of I-beams. The flange material removed amounts to 25% of the weight of the original I-beams totaling approximately tonnes 172 tonnes (170 tons). This represents a material loss of 25% easily in excess of $90,000.


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    Title :

    National Shipbuilding Research Program. 1995 Ship Production Symposium. Paper No. 4: Tee-Beam Manufacturing Analysis: Producibility of Panel Stiffening Elements


    Contributors:

    Publication date :

    1995


    Size :

    25 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English