Highlights In water disaster, remote controlled vehicles which work for disaster recovery have to run in water environment. Since underwater ground is likely to be soft, the vehicle has a risk of stuck. We have to make a method for judging whether to run or not the vehicle in underwater ground. We must quantitatively clarify the relationship between the trafficability and the strength, bearing capacity, etc. of underwater ground.

    Abstract In recent years, water disasters have increased in Japan. In water disaster, remote controlled vehicles which work for disaster recovery must run in water environment. Since underwater ground is likely to be soft, the vehicle has a risk of stuck. If a vehicle gets stuck at disaster sites, rescue work is difficult because it is not easily to access to that area. We must make a method for judging whether to run or not. For this purpose, we must quantitatively clarify the relationship between the trafficability and the strength, bearing capacity, etc. of underwater ground. We measured the cone index of underwater ground. From results, we confirmed that fragile layer was formed on the surface layer in underwater ground. We measured drawbar pull of a tracked carrier in test field. As a result, maximum drawbar pull of underwater ground was lower than on the ground. After slip occurs, drawbar pull of underwater ground was smaller than ground significantly.


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    Titel :

    Fundamental study on underwater trafficability for tracked vehicle


    Beteiligte:

    Erschienen in:

    Erscheinungsdatum :

    2021-07-12


    Format / Umfang :

    8 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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