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Computers and Concrete
  Volume 9, Number 2, January 2012, pages 99-118

A decision support system for diagnosis of distress cause and repair in marine concrete structures
Masoud Dehghani Champiri, S. Hossein Mousavizadegan and Faramarz Moodi

    Marine Structures are very costly and need a continuous inspection and maintenance routine. The most effective way to control the structural health is the application of an expert system that can evaluate the importance of any distress on the structure and provide a maintenance program. An extensive literature review, interviews with expert supervisors and a national survey are used to build a decision support system for concrete structures in sea environment. Decision trees are the main rules in this system. The system input is inspection information and the system output is the main cause(s) of distress(es) and the best repair method(s). Economic condition, severity of distress, distress situation, and new technologies and the most repeated classical methods are considered to choose the best repair method. A case study demonstrates the application of the developed decision support system for a type of marine structure.
Key Words
    marine structure; decision support system (DSS); expert database system (EDS); graphic user interface (GUI); cause of distress; decision tree; repair of distress.
Masoud Dehghani Champiri and S. Hossein Mousavizadegan: Faculty of Marine Technology, Amirkabir University of Technology, Tehran, Iran

Faramarz Moodi: Concrete Technology and Durability Research Center, Amirkabir University of Technology, Tehran, Iran

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