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Examples of pipe failures in Slovak transmission gas pipelines

Peter Bernasovsky

The paper deals with some case studies in Slovak high pressure gas pipelines. All cases were caused by an interaction effect of the weld anomalies excessive misalignment, poor workmanship or cold strain hardening, of the metallurgical aspects in pipe production liquid Cu embrittlement, irregular microstructure and by an additional bend loading earthquake, sudden pipe settlement and landslide or site bending.

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