Stress analysis of the pipeline condition with the non-normative curvature of the axis

Varshitsky, Victor M.; Figarov, Eldar N.; Lebedenko, Igor B.

doi:10.28999/2541-9595-2018-8-3-273-277

Naukatekhnol. truboprov. transp. neftiinefteprod.

2018

DOI: 10.28999/2541-9595-2018-8-3-273-277

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Stress analysis of the pipeline condition with the non-normative curvature of the axis

Victor M. Varshitsky¹,

Eldar N. Figarov²,

Igor B. Lebedenko³

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2022

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Improving the method for assessment of bending stresses in the wall of an underground pipeline

Sulhadi

Firstov

2022

PMI

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Brief information about modern methods for determining the bending stresses of the extended sections of underground main pipelines without access to the pipeline generatrix is given. The necessity of modernizing methods based on determining the configuration of the pipeline axis from the soil surface with subsequent calculation of bending stresses based on the obtained data is substantiated. A mathematical model that allows to calculate the optimal parameters for surveying the axis of the pipeline from the soil surface for a pipeline of arbitrary configuration and depth, when planning a study, is proposed. Bench tests of the BITA-1 pipeline finder were carried out to determine the error in measuring the depth of the pipeline axis. It is proved that the deviations of the pipeline finder data relative to the true values in narrow depth intervals follow a normal distribution and do not change their sign. The confidence intervals of the error in determining the depth of the pipeline axis for the BITA-1 device are presented.

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Improving the method for assessment of bending stresses in the wall of an underground pipeline

Sulhadi

Firstov

2022

PMI

View full text Add to dashboard Cite

show abstract

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Stress analysis of the pipeline condition with the non-normative curvature of the axis

Cited by 1 publication

References 0 publications

Improving the method for assessment of bending stresses in the wall of an underground pipeline

Improving the method for assessment of bending stresses in the wall of an underground pipeline

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