Published since 1923
DOI: 10.33622/0869-7019
Russian Science Citation Index (RSCI) на платформе Web of Science
  • Consideration Of Plastic Deformations In Calculations Of Flange Connections
  • UDC 69.07:624.014.2 DOI: 10.33622/0869-7019.2021.10.09-16
    Ivan I. VEDYAKOV, e-mail:
    Denis V. KONIN, e-mail:
    Alexandr R. OLUROMBI, e-mail:
    Pavel V. NAHVALNOV, e-mail:
    Reserch Institute of Building Constructions (TSNIISK) named after V. A. Koucherenko, Research Center of Construction, 2-ya Institutskaya ul., 6, Moscow 109428, Russian Federation
    Abstract. Due to the large amount of input data, the calculation of flange bolted joints of beams with columns is quite complex task. Known calculation methods of flange connections are not universal, so they can be used only for those grades and ranges of profiles for which they were developed. It is established that the Euronorm calculation method for massive profiles in some combinations of beam and column profiles shows significant excess of the load-bearing capacity by the limiting moment in comparison with the finite element calculation. In addition, these calculation methods do not take into account the rigidity of the column when calculating the flange and the rigidity of the flange when calculating the offset of the column shelf. A universal prototype of an eight-bolt beam-column connection has been created, which can be used for almost any combination of profile dimensions. Based on the results of calculations of finite element models of bolted joints, criteria for the limiting states of the flange connection are established - according to plastic deformations in the flange, shelf and column wall, stress in bolts, opening of the gap between the flange and the column. A modified method of analytical calculation of the joint is proposed, which takes into account the ratio of the thickness of the column shelf and the flange. In the future, on the basis of additional theoretical research, this technique will be refined, but already now it can be recommended as a test of the bearing capacity of joints with a flexible flange.
    Key words: flange bolted connection, steel structures, beams, columns, plastic deformation, finite element modeling.
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  • For citation: Vedyakov I. I., Konin D. V., Olurombi A. R., Nahvalnov P. V. Consideration of Plastic Deformations in Calculations of Flange Connections. Promyshlennoe i grazhdanskoe stroitel'stvo [Industrial and Civil Engineering], 2021, no. 10, pp. 9-16. (In Russian). DOI: 10.33622/0869-7019.2021.10.09-16.