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Where do cracks caused by pipeline vibration generally occur?

2017-12-05View Original

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Where do cracks caused by pipeline vibration generally occur? Is it generally started from the outside or from the inside, or are the probabilities of both equal? Thank you!
Reply #22017-12-05
It occurs at the junction of the branch pipes.
Reply #32017-12-05
Have you seen similar vibrations? Could you share the picture, if you have one? Thank you!
Reply #42017-12-05
It occurs in weak areas, such as welds
Reply #52017-12-06
It usually occurs first in weak areas, such as substandard welds and areas where friction is present~~
Reply #62017-12-06
It generally occurs at the weld area; I recently heard that the weld of a pressure gauge connector in one facility cracked due to prolonged vibration.
Reply #72017-12-06
It generally occurs at the weld area; I recently heard that the weld of a pressure gauge connector in one facility cracked due to prolonged vibration.
Reply #82017-12-06
Is the probability the same for butt welds, circumferential welds, longitudinal welds, and corner welds?
Reply #92017-12-06
The weld joints of pressure gauges are fillet welds, which are prone to cracking, but it is rare to hear of butt welds cracking due to vibration.

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