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Fracture and Delamination Assessment of Prestressed Composite Concrete for Use with Pipe Jacking Method

Author

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  • Qing Gong
  • Hehua Zhu
  • Zhiguo Yan
  • Boqi Huang
  • Yao Zhang
  • Zeyu Dong

Abstract

Prestressed composite concrete pipe (PCCP) has been widely used in water-transmission line and has been proven with many advantages over pure concrete or steel pipes, such as high performance with relatively low cost for materials as well as simplified installation and construction process. Recent efforts have been made to enable the PCCP structure suitable for pipe jacking method so as to replace the conventional cut and cover method. In this way, the construction time, disturbance to nearby structures, and the cost can be greatly reduced. In this paper, we present the full-scale experimental and numerical studies of PCCP and the evaluation of fracture and delamination behaviour of the structure when it is used with pipe jacking construction method subjected to various jacking forces and ground conditions.

Suggested Citation

  • Qing Gong & Hehua Zhu & Zhiguo Yan & Boqi Huang & Yao Zhang & Zeyu Dong, 2015. "Fracture and Delamination Assessment of Prestressed Composite Concrete for Use with Pipe Jacking Method," Mathematical Problems in Engineering, Hindawi, vol. 2015, pages 1-11, October.
    • Handle: RePEc:hin:jnlmpe:579869
    DOI: 10.1155/2015/579869
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