Published since 1923
DOI: 10.33622/0869-7019
Russian Science Citation Index (RSCI) Web of Science
  • STRUCTURAL MECHANICS
  • The Effect Of Train Movement Of The Underground Of Shallow Placement On Urban Development
  • UDC 624.042.8:599.433:625.42 DOI: 10.33622/0869-7019.2020.09.14-20
    Vladimir L. MONDRUS, e-mail: mondrus@mail.ru
    Vasilii A. MITROSHIN, e-mail: mitroshin.vasiliy@yandex.ru
    Moscow State University of Civil Engineering (National Research University), Yaroslavskoe shosse, 26, Moscow 129337, Russian Federation
    Abstract. The results of measurements of vibration accelerations on the soil surface above the shallow subway line are analyzed. Vibration acceleration amplitudes obtained with the help of special equipment can be used at the design stage of buildings and structures to predict vibration levels in residential buildings or production workshops. The set of measurements was carried out on the section between the stations "Belomorskaya" and "Khovrino" of the Zamoskvoretskaya line of the Moscow metro. On the basis of experimental data, it is stated that the electrical insulating joint of the rails leads to the formation of increased vibrations when the train enters the station, which can lead to an excess of the permissible levels of vibration accelerations in residential and industrial buildings. Some basic types of wheel and rail defects are considered. The propagation of vibrations in an infinite plane from a subway tunnel in the form of an absolutely rigid body loaded with an average dynamic load, taking into account the shock effect at the rail joint, has been investigated. The dependences of the parameters of the wave field in unlimited space and the displacement of the tunnel on the frequency of the external influence are constructed. .A decrease in the intensity of the wave field with an increase in the frequency of the external forcing action is noted. The results obtained are included in the solution of the problem of the propagation of oscillations in a semi-infinite space from moving subway trains.
    Key words: wave field, wave potentials, vibrations, underground, impact interaction.
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  • For citation: Mondrus V. L., Mitroshin V. A. The Effect of Train Movement of the Underground of Shallow Placement on Urban Development. Promyshlennoe i grazhdanskoe stroitel'stvo [Industrial and Civil Engineering], 2020, no. 9, pp. 14-20. (In Russian). DOI: 10.33622/0869-7019.2020.09.14-20.


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