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Mechanical behavior and calculating methods of large diameter prestressed concrete cylinder pipe (PCCP)

Yuliang Wang 1, 3 ,
Yancang Li 2 ,
Yongqing Bi 1
1 School of Civil Engineering, Tianjin Institute of Urban Construction, Tianjin 300384, China
2 College of Civil Engineering, Hebei University of Engineering, 056038 Handan, China
3 College of Civil Engineering, Tianjin University, Tianjin 300072, China

World Journal of Engineering

ISSN: 1708-5284

Article publication date: 29 June 2012

56

Abstract

Prestressed Concrete Cylinder Pipe (PCCP) is a kind of high quality composite pipe, whose mechanical behavior is not uniform because of its complicated structure and work condition. 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 prestress is put forward according to the crack control. The stress is analyzed with finite-element analysis in the condition of different hydraulic pressures, and also the method is amended compared with the finite-element analysis. It is indicated that the design method of prestress is reasonable compared with both domestic and international specifications.

Keywords

Citation

Wang, Y., Li, Y. and Bi, Y. (2012), "Mechanical behavior and calculating methods of large diameter prestressed concrete cylinder pipe (PCCP)", World Journal of Engineering, Vol. 9 No. 3, pp. 239-244. https://doi.org/10.1260/1708-5284.9.3.239

Publisher

:

Emerald Group Publishing Limited

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