A comprehensive study on the failure modes of steel strips reinforced thermoplastic pipe under torsion

IF 3 2区工程技术 Q2 ENGINEERING, MECHANICAL

International Journal of Pressure Vessels and Piping Pub Date : 2025-02-25 DOI:10.1016/j.ijpvp.2025.105490

Yuteng Zhang, Wenshu Liu, Mohsen Saneian, Yong Bai

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引用次数: 0

Abstract

The pipelines endure a massive amount of torsion in the reeling process and installation. The pipe may face torque in two directions, clockwise and anticlockwise while the torsional behaviour of the pipeline has a strong asymmetry due to its helically-wrapped layers. Investigating the mechanical behaviour of steel strips reinforced thermoplastic pipe (SSRTP) subjected to both twist angles is hence important for engineering applications. A comprehensive numerical model is established to determine all failure modes of SSRTP under torsion. Compared with a newly presented theory, the torsion stiffness obtained from the numerical model is verified. Experimental tests are employed for a better understanding of the SSRTP's practical response against torsion. The similarities and differences in the behaviour of SSRTP under both positive and negative torsional angles are pointed out. The effect of friction on the pipe's mechanical behaviour is analyzed comprehensively and related recommendations are proposed. Besides, a parametric study is carried out to obtain the characteristics that most significantly affect the torsional behaviour of pipe.

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钢带增强热塑性钢管在扭转作用下破坏模式的综合研究

管道在缫丝过程和安装过程中承受着巨大的扭转。管道可能面临顺时针和逆时针两个方向的扭矩，而管道的扭转行为由于其螺旋包裹层而具有很强的不对称性。因此，研究钢带增强热塑性管（SSRTP）在两种扭转角度下的力学行为对工程应用具有重要意义。建立了综合数值模型，确定了SSRTP在扭转作用下的各种破坏模式。与新提出的理论相比较，验证了数值模型计算的扭转刚度。为了更好地了解SSRTP对扭转的实际反应，采用了实验测试。指出了SSRTP在正扭角和负扭角作用下性能的异同。全面分析了摩擦对管道力学性能的影响，并提出了相应的建议。此外，还进行了参数化研究，获得了对管材扭转性能影响最大的特性。

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来源期刊

International Journal of Pressure Vessels and Piping 工程技术-工程：机械

CiteScore

5.30

自引率

13.30%

发文量

208

审稿时长

17 months

期刊介绍： Pressure vessel engineering technology is of importance in many branches of industry. This journal publishes the latest research results and related information on all its associated aspects, with particular emphasis on the structural integrity assessment, maintenance and life extension of pressurised process engineering plants. The anticipated coverage of the International Journal of Pressure Vessels and Piping ranges from simple mass-produced pressure vessels to large custom-built vessels and tanks. Pressure vessels technology is a developing field, and contributions on the following topics will therefore be welcome: • Pressure vessel engineering • Structural integrity assessment • Design methods • Codes and standards • Fabrication and welding • Materials properties requirements • Inspection and quality management • Maintenance and life extension • Ageing and environmental effects • Life management Of particular importance are papers covering aspects of significant practical application which could lead to major improvements in economy, reliability and useful life. While most accepted papers represent the results of original applied research, critical reviews of topical interest by world-leading experts will also appear from time to time. International Journal of Pressure Vessels and Piping is indispensable reading for engineering professionals involved in the energy, petrochemicals, process plant, transport, aerospace and related industries; for manufacturers of pressure vessels and ancillary equipment; and for academics pursuing research in these areas.