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MECHANICAL BEHAVIORS OF STEEL STRIP REINFORCED FLEXIBLE PIPES UNDER BENDING

机译:钢筋增强柔性管钢管钢带的机械行为

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Steel strip reinforced flexible pipe (SSRFP) is a kind of unbonded composite pipe, which has more application foreground in offshore engineering due to its excellent mechanics and the considerable flexibility. In practical application, SSRFP will inevitably experience bending during reeling process and installation. In this paper, the mechanical behavior of SSRFP subjected to pure bending are studied both experimentally and numerically. A four-point bending equipment is utilized to conduct the full-scale laboratorial tests of SSRFP. Furthermore, the commercial software ABAQUS is employed to simulate its ovalization instability. The results acquired from the ABAQUS simulation are compared with the ones from verification bending experiment, which are in good coincidence with each other. The proposed model and the relative results may be of interest to the manufacture factory engineers.
机译:钢带加固柔性管(SSRFP)是一种未粘合的复合管,由于其优异的机制和相当大的灵活性,近海工程中具有更多应用前景。在实际应用中,SSRFP将在卷轴过程和安装过程中不可避免地体验弯曲。在本文中,在实验和数值上研究了对纯弯曲进行纯弯曲的SSRFP的力学行为。使用四点弯曲设备来进行SSRFP的全规模实验室测试。此外,商业软件ABAQUS用于模拟其椭圆化不稳定。将从ABAQUS模拟中获得的结果与验证弯曲实验的结果进行比较,这与彼此均匀巧合。所提出的模型和相对结果可能对制造工厂工程师感兴趣。

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