Mechanical Capacity Analysis of Large Diameter Prestressed Concrete Cylinder Pipe (PCCP)

Yu Liang Wang; Yong Qing Bi; Xiao Jie Zhou

doi:10.4028/www.scientific.net/AMM.166-169.3214

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 166-169Mechanical Capacity Analysis of Large Diameter...

Mechanical Capacity Analysis of Large Diameter Prestressed Concrete Cylinder Pipe (PCCP)

Abstract:

Prestressed concrete cylinder pipe(PCCP) has been applied to oil, water conservancy and hydropower engineering and other fields as a kind of high quality composite pipe. Because of its complicated structure and work condition, mechanical behavior of PCCP is not uniform. In this paper, the mechanical model is established in PCCP working stage based on the elastic plane strain theory of axisymmetric multilayer cylinders and the mechanism of the ring-like strands action. Then the design method of prestressing is put forward according to the aim at the crack control. The stress is analyzed with finite-element analysis in the condition of different pressure, and also the method is amended compared with the finite-element analysis. It is indicated that the design method of prestressing is reasonable compared with specification of both domestic and international.

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Periodical:

Applied Mechanics and Materials (Volumes 166-169)

Pages:

3214-3219

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.166-169.3214

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Online since:

May 2012

Authors:

Yu Liang Wang, Yong Qing Bi, Xiao Jie Zhou

Keywords:

Finite Element Analysis (FEA), Mechanical Model, Prestressed Concrete Cylinder Pipe (PCCP), Stress

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