Block erection sequencing in shipbuilding with general lifting and joining times

Henri Tokola, Esko Niemi, Heikki Remes

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

    1 Citation (Scopus)

    Abstract

    This article studies the scheduling of block erection in shipbuilding. A mathematical model is formulated to minimize the makespan, i.e., the time between the start and finish of the erection schedule, when there are different lifting and block joining times. Structural stability and the no-skipped-blocks property are taken as constraints. The model is used to study the erection in three special cases. First, the case with a short lifting time is analyzed. Second, a solution is constructed for the case in which joining times are short and, third, the case in which the lifting and joining times are the same is analyzed. The article shows how these three cases can be solved efficiently, and, in addition, it gives insight into the erection scheduling such as the effects of the number of blocks in the horizontal and vertical directions on different joining times.

    Original languageEnglish
    Title of host publicationSociety of Naval Architects and Marine Engineers - Transactions 2015
    PublisherSOCIETY OF NAVAL ARCHITECTS AND MARINE ENGINEERS
    Pages729-736
    Number of pages8
    Volume121
    ISBN (Electronic)9780939773954
    Publication statusPublished - 1 Jan 2015
    MoE publication typeA4 Article in a conference publication
    EventAnnual Meeting and Expo and Ship Production Symposium: Where Industry and Technology Meet - Bellevue, United States
    Duration: 6 Nov 20138 Nov 2013

    Conference

    ConferenceAnnual Meeting and Expo and Ship Production Symposium
    Abbreviated titleSNAME
    CountryUnited States
    CityBellevue
    Period06/11/201308/11/2013

    Keywords

    • Block erection
    • Optimization
    • Scheduling
    • Shipbuilding

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