Plastic pipe reinforced by cross helically wound steel wires (PSP) is a new type of metal-plastics composite pipe developed in China. Time-dependent properties of PSP are investigated theoretically and experimentally in this paper. Although the steel wire can carry most of the loading in a liner elastic way, the time dependent behavior shown in the PSP should be further analyzed and described. Based on the structural features of PSP and the viscoelastic behaviors of HDPE in matrix, a three layer viscoelastic model is proposed to calculate time-dependent elastic stresses and strains in the PSP subjected to internal pressure. The experimental results show that the hoop strain decreases slowly, while the axial strain increases by 0.16% in 14000 minutes at constant internal pressure. Good agreement between theoretical results and experimental data shows that the three layer viscoelastic model is able to predict the time-dependent relationship of stress and strain in PSP. The effects of volume fraction and winding angle of the steel wires on the creep behaviour of the PSP subjected to an internal pressure are discussed in the end.
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ASME 2008 Pressure Vessels and Piping Conference
July 27–31, 2008
Chicago, Illinois, USA
Conference Sponsors:
- Pressure Vessels and Piping
ISBN:
978-0-7918-4830-2
PROCEEDINGS PAPER
Long-Term Stress Analysis of Plastic Pipe Reinforced by Cross-Winding Steel Wire
Xiang Li,
Xiang Li
Zhejiang University, Hangzhou, Zhejiang, China
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Jinyang Zheng,
Jinyang Zheng
Zhejiang University, Hangzhou, Zhejiang, China
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Yaxian Li,
Yaxian Li
Zhejiang University, Hangzhou, Zhejiang, China
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Ping Xu,
Ping Xu
Zhejiang University, Hangzhou, Zhejiang, China
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Chunying Zheng,
Chunying Zheng
Zhejiang Financial Professional College, Hangzhou, Zhejiang, China
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Taiqing Shao,
Taiqing Shao
Huangsheng Pipe Industrial Group Co., Ltd., Wenzhou, China
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Hangzeng Shao,
Hangzeng Shao
Huangsheng Pipe Industrial Group Co., Ltd., Wenzhou, China
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Defu Chen,
Defu Chen
Huangsheng Pipe Industrial Group Co., Ltd., Wenzhou, China
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Guangzhong Li,
Guangzhong Li
Huangsheng Pipe Industrial Group Co., Ltd., Wenzhou, China
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Xiaolian He
Xiaolian He
Huangsheng Pipe Industrial Group Co., Ltd., Wenzhou, China
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Xiang Li
Zhejiang University, Hangzhou, Zhejiang, China
Jinyang Zheng
Zhejiang University, Hangzhou, Zhejiang, China
Yaxian Li
Zhejiang University, Hangzhou, Zhejiang, China
Ping Xu
Zhejiang University, Hangzhou, Zhejiang, China
Chunying Zheng
Zhejiang Financial Professional College, Hangzhou, Zhejiang, China
Taiqing Shao
Huangsheng Pipe Industrial Group Co., Ltd., Wenzhou, China
Hangzeng Shao
Huangsheng Pipe Industrial Group Co., Ltd., Wenzhou, China
Defu Chen
Huangsheng Pipe Industrial Group Co., Ltd., Wenzhou, China
Guangzhong Li
Huangsheng Pipe Industrial Group Co., Ltd., Wenzhou, China
Xiaolian He
Huangsheng Pipe Industrial Group Co., Ltd., Wenzhou, China
Paper No:
PVP2008-61718, pp. 477-491; 15 pages
Published Online:
July 24, 2009
Citation
Li, X, Zheng, J, Li, Y, Xu, P, Zheng, C, Shao, T, Shao, H, Chen, D, Li, G, & He, X. "Long-Term Stress Analysis of Plastic Pipe Reinforced by Cross-Winding Steel Wire." Proceedings of the ASME 2008 Pressure Vessels and Piping Conference. Volume 7: Operations, Applications and Components. Chicago, Illinois, USA. July 27–31, 2008. pp. 477-491. ASME. https://doi.org/10.1115/PVP2008-61718
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