Published since 1923
DOI: 10.33622/0869-7019
Russian Science Citation Index (RSCI) на платформе Web of Science


  • DESIGN AND CONSTRUCTION OF ROADS, AIRFIELDS, BRIDGES
  • Mathematical Models For Calculating Of Sin-Beams In Torsion Bending
  • UDC 624.046.3
    doi: 10.33622/0869-7019.2025.01.62-69
    Sergey A. MAKEEV1, makeev608079@mail.ru
    Natalia G. SILINA2, n.silina@stako.ru
    Mikhail A. STUPIN3, 79620503150@yandex.ru
    1 Siberian State Automobile and Road University (SibADI), prospekt Mira, 5, Omsk 644080, Russian Federation
    2 TsNIIPSK named after Melnikov, ul. Architect Vlasova, 49, Moscow 117997, Russian Federation
    3 B. E. Butoma Shipbuilding Plant, ul. Tankistov, 4, Kerch 298313, Russian Federation
    Abstract. The article provides an overview of existing methods and mathematical models for calculating beams with a corrugated wall for overall stability, including calculations based on current regulatory documents and numerical calculation methods based on the equations of mechanics of thin-walled rods by V. Z. Vlasov. To compare the methods considered, the condition of sin-beams with various flexibility was calculated, and critical loads of stability loss were determined. The loss of stability in operation was considered as exceeding the permissible normal stresses in the calculation, taking into account geometric nonlinearity, operating loads and regulatory initial imperfections. Based on the results of calculations, conclusions are drawn about the effectiveness of the application of the considered methods. In particular, the authors concluded that the existing regulatory documents significantly underestimate the load-bearing capacity of corrugated rollers in terms of overall stability because they do not take into account the joint work of the upper belt, the corrugated wall and the lower belt.
    Keywords: sin-beam, overall stability, stability of the flat form of bending, calculation of thin-wall beams, bridge spans
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  • For citation: Makeev S. A., Silina N. G., Stupin M. A. Mathematical Models for Calculating of Sin-Beams in Torsion Bending. Promyshlennoe i grazhdanskoe stroitel'stvo [Industrial and Civil Engineering], 2025, no. 1, pp. 62-69. (In Russ.). doi: 10.33622/0869-7019.2025.01.62-69

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