Mechanical Properties of Flexible Structures with Helical Reinforcements under Axial Load

Wei Huang; Jian Shan; Zhen Jiang Weng

doi:10.4028/www.scientific.net/AMR.479-481.937

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 479-481Mechanical Properties of Flexible Structures with...

Mechanical Properties of Flexible Structures with Helical Reinforcements under Axial Load

Abstract:

Flexible structures with helical reinforcements are widely used in engineering because of their low bending stiffness and high strength. To strengthen the core, we focus on those structures which the helixes will contact the inner core loaded axial tension. The contact pressure between layers is taken into consideration and eliminated by using deformation compatibility equation. The pitch angle changes under axial tension which induces the geometric nonlinearity. The results were systematically compared with other researchers’ theory, which adopted more assumptions. Suggestions about the appropriate range of parameters are given, when assumptions can be used. The solution is validated with that obtained by both the finite element method and the classical solutions of two extreme cases.

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Periodical:

Advanced Materials Research (Volumes 479-481)

Pages:

937-943

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.479-481.937

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Online since:

February 2012

Authors:

Wei Huang, Jian Shan, Zhen Jiang Weng

Keywords:

Contact Pressure, Flexible Structures, Geometric Nonlinearity, Helical Reinforcements, Mechanical Property

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