Strength Analysis of Load-Bearing Beams of Tubular Bridges
https://doi.org/10.31675/1607-1859-2026-28-1-249-259
Abstract
The length expansion of the tubular bridge spans indicates the need to improve the strength analysis of modern loads, which do not exclude a keyboard effect in the beam operation.
Purpose: The purpose of this work is to study bending and torsion deformation and the keyboard effect in tubular bridge spans with reduced rigidity under difficult loading conditions.
Research findings: The theoretical calculation for the stability of bridge spans is improved within the different range of [формула] relations.
Value: A complex stress state of such bridge spans determines their spatial operation by changing the transverse pressure on the beams during bending and torsion deformation, and thus reflects the novelty and relevance of the research considered in the article.
About the Author
V. M. Kartopoltsev
Tomsk State University of Architecture and Building; OOO "DIAMOS"
Russian Federation
Russian Federation
Vladimir M. Kartopoltsev, DSc, Professor, Tomsk State University of Architecture and Building; OOO “DIAMOS”
2, Solyanaya Sq., 634003, Tomsk
24/1, Solyanoy Str., 634003, Tomsk
References
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Review
For citations:
Kartopoltsev V.M. Strength Analysis of Load-Bearing Beams of Tubular Bridges. Vestnik Tomskogo gosudarstvennogo arkhitekturno-stroitel'nogo universiteta. JOURNAL of Construction and Architecture. 2026;28(1):249-259. (In Russ.) https://doi.org/10.31675/1607-1859-2026-28-1-249-259
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