Analysis of the stressed state in equal-diameter T-joints of pipelines. Part 1. Action of internal pressure and bending moments in the plane of a T-joint |
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Authors: | S V Kobel’skii V I Kravchenko A L Kvitka P P Voroshko B Pospishil |
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Affiliation: | (1) Institute for Problems of Strength, National Academy of Sciences of Ukraine, Kiev, Ukraine;(2) “Research Consultant” Firm, Brno, Czechia |
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Abstract: | We analyze the stressed state of two types of T-joints in which the union makes angles of 45° and 90° with the main pipe.
The character of the distribution of stresses in a T-joint illustrates the distinctive features of its operation under the
action of internal pressure and bending moments applied in the plane of the T-joint. On the basis of the theory of strength
for specific distortion strain energy, we determine the stress concentration factors for all considered loading modes. The
numerical values of the stress concentration factors are compared with the experimental data obtained by other authors.
Translated from Problemy Prochnosti, No. 6, pp. 116–123, November–December, 1998. |
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