In order to ensure the safety and reliability of the horizontal brace of semi-submersible platform (SEMI) which functions as the supporting structure in SEMI, this article presents an elastic-plastic method to analyze the variations of the crack tip opening displacement, elastic zone and plastic zone of the cracked section of the horizontal brace under beam wave. The brace of the SEMI was assumed to be located a circumferential through crack at its boundary in this article. In addition, the cracked section of the brace has been divided into crack zone, tensile plastic zone, elastic zone and compressive plastic zone in the presented theoretical model. Moreover, the closed form of the solution has been found in this article which is especially suitable solving complicated problems in practical engineering application. Also, a typical new-generation SEMI that is in practical use was selected to analyze the variation tendency of the cracked brace’s parameters using the proposed model which could give good suggestion to semi-submersible platform designers and managers.


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    Elastic-Plastic Analysis for Circumferential through Crack at Boundary of Semi’S Brace under Beam Wave


    Beteiligte:
    Wang Fei (Autor:in) / Deng Xiong (Autor:in) / Li Yuqiong (Autor:in)


    Erscheinungsdatum :

    2018




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Unbekannt






    Elastic-plastic analysis of a propagating crack under cyclic loading

    NEWMAN, JR., J. / ARMEN, JR., H. | AIAA | 1974


    LBB condition for pipe with a circumferential crack under cyclic bending moment

    Yoo, Yeon-Sik / Okamoto, A. / Ando, K. | Tema Archiv | 1998


    Plastic collapse analysis of pipelines containing surface-braking circumferential defects

    Wang, Y.Y. / Wilkowski, G.M. / Horsley, D.J. | Tema Archiv | 2000