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Measurement of Residual Stress in Water Pipe Welds Using the Hole-Drilling Technique

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Abstract:

In case of large steel water pipe, it have been observed that its fracture mostly occurs due to the complicated outside fatigue load on the pipe in the underground. It is also well known that its damage and leakage happen mainly in a weld zone. In this study we evaluated the fatigue characteristics based on size effect and residual stress by comparing the test results on the standard specimen collected from real pipe with those on full scale pipe.

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Periodical:

Key Engineering Materials (Volumes 353-358)

Pages:

2419-2422

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.353-358.2419

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Online since:

September 2007

Authors:

Jung Hun Choi, Jong Hyun Baek, Dae Jin Kim, Jae Mean Koo, Chang Sung Seok

Keywords:

Goodman Equation, Hole-Drilling Method, Residual Stress, Size Factor, Water Pipe

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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References

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