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TECHNICAL PAPERS

Experimental and Analytical Study of Cold Bending Process for Pipelines

[+] Author and Article Information
Naoki Fukuda, Hiroshi Yatabe, Shinobu Kawaguchi, Takahito Watanabe, Tomoki Masuda

Pipeline Engineering Research Laboratory, Tokyo Gas Co., Ltd., 1-7-7, Suehiro-cho, Tsurumi-ku, Yokohama, 230-0045, Japan

J. Offshore Mech. Arct. Eng 125(2), 153-157 (Apr 16, 2003) (5 pages) doi:10.1115/1.1554701 History: Received July 01, 2001; Online April 16, 2003
Copyright © 2003 by ASME
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References

Figures

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Schematic structure of the bending machine (CRC-Evans type)
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External appearance of pipe and strain gauges before bending (Pipe A, α=0 degree location)
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Finite element model (Pipe B)
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Schematic diagram of cold bending process during FE analyses
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Distribution of residual strain along the longitudinal direction (Pipe A)
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Distribution of residual strain along the longitudinal direction (Pipe B)
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Deformation and distribution of strain after bending process (Pipe A)
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Deformation and distribution of strain after bending process (Pipe B)
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Change in strain distribution (Pipe A)
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Change in strain distribution (Pipe B)

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