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Территория Нефтегаз № 5 2011

Эксплуатация и ремонт трубопроводов

»  01.05.2011 10:00 ОСОБЕННОСТИ ПЕРЕМЕЩЕНИЙ ТРУБОПРОВОДА НА УЧАСТКАХ РЕЧНЫХ ПОДВОДНЫХ ПЕРЕХОДОВ МГ ПОД ВОЗДЕЙСТВИЕМ ДАВЛЕНИЯ ГАЗА
PECULARITIES OF THE PIPELINE DISPLACEMENT IN THE SECTORS OF GAS PIPELINE RIVER CROSSING AS A RESUILT OF THE INFLUENCE OF GAS PRESSURE
A. Filatov, I. Veliyulin, «Orgenergogaz»; V. Polyakov, Gubkin Oil and Gas University; E. Veliyulin, V. Aleksandrov, «Eksikom» Experimental investigation of vertical displacements of a gas pipeline river crossing as a result of the gas pressure has been carried out. It has been shown that the load caused by the gas pressure results in bending tensions of alternating signs along the pipeline. These tensions give corresponding additional contribution to the total longitudinal stress in the pipeline and are responsible for the alternating distribution of displacements along the pipeline shaped as a «wave», as observed in the experiment. Keywords: gas pipelines, river crossing, gas pressure, stress-deformed state.
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