The use of doubler plates or doublers has become routine for temporary ship repairs. It is the preferred method for ships structural repairs for plate corrosion due to its relative ease and low cost of installation over the more costly permanent welded plate insert repair. A lack of performance data and engineering design guidance are the reasons that repairs with doublers are currently considered only temporary. This project was created to develop a set of guidelines for designing and applying doubler plate repairs to ship structures. The guidelines were established using the following criteria: various stress analyses, buckling strength, primary stress assessment, corrosion types and rates, weld types, and doubler plate fatigue and fracture assessment. Studying and understanding doubler plate repair performance by comparison to that of the primary hull performance allows critical operational decisions to be made with greater ease and confidence. However, the ultimate goal of this project was to establish the design and limitations on the applications of doubler plate repairs for surface ships.


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    Title :

    Design Guidelines for Doubler Plate Repairs of Ship Structures


    Contributors:

    Publication date :

    2005


    Size :

    224 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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