Vibrations of a Girder on Rigid Supports of Finite Mass Interacting With Soil under Seismic Loads

Khurramov Asror

Civil and Architectural Engineering | Conference paper | Published 2021

Vibrations of a Girder on Rigid Supports of Finite Mass Interacting With Soil under Seismic Loads

Authors:

Khurramov Asror

Keywords: bridge, vibration, transport structures, earthquake.

Abstract

Transverse vibrations of a single-span girder bridge are considered in the article; the pile part of the bridge interacts with the surrounding soil under seismic action. We assume that the strain of the structure does not go beyond the elastic limit, and the vibrations are linear. The bridge supports are assumed to be immersed in soil and interact with a rigid body under the impact of unsteady dynamic influences. We consider the case when the right and left supports have equal masses and interact with the surrounding soil. Here the symmetry condition is applied, so it is sufficient to consider the equation for the right half of the girder. The problems are solved by the analytical Fourier method under given boundary conditions. The results obtained are analyzed and presented in the form of the distribution of displacements and stresses over the time and length of the bridge structures.

References

1. Rashidov T, Baybulatov K, Bekmirzayev D, Takhirov S, Gayibov J and Nishonov N.
Comprehensive Program on Structural Assessment of Bridges in Uzbekistan, 3542, The 17th World Conference on Earthquake Engineering, 3c – 0013 Sendai, Japan, (2020)
2. Kartsivadze G. Seismic resistance of artificial road structures (Moscow), (1974) 3. Shestoperov G. Seismic resistance of bridges, Moscow, Transport,(1984)
4. Mander J.B., and Cheng C.T. Seismic Resistance of Bridge Piers Based on Damage Avoidance Design, Tech. Rep. NCEER-97-00141997 5. Wang Z, Dueñas-Osorio L and Padgett J.E. Influence of scour effects on the seismic response of reinforced concrete bridges, Eng. Struct, 76 pp. 202–214, (2014) 6. Kawashima K. Seismic design and retrofit of bridges, Bull. New Zeal. Soc. Earthq. Eng., 33, pp. 265–285, (2000) 7. Priestley M.J.N, Seible F and Calvi G.M. Seismic Design and Retrofit of Bridges, Hoboken, NJ, USA: John Wiley and Sons, Inc., (1996) 8. Mackie K. Seismic Demands for Performance-Based Design of Bridges Seismic Demands for Performance-Based Design of Bridges Engineering (2003) 9. Hao H and Chouw N. Seismic design of bridges for prevention of girder pounding, Electron. J. Struct. Eng. (2008) 10. Chouw N and Hao H Seismic design of bridge structures with allowance for large relative girder movements to avoid pounding , Bull. New Zeal. Soc. Earthq. Eng. 42, pp.75–85 (2009) 11. Paolacci F, Giannini R, Alessandri S, Sarno L Di, Corte G Della, Risi R De, Erdik M, Yenidogan C, Marioni A, Sartori M, Taucer F, Pegon P and Ceravolo R. Seismic analysis and retrofitting of an existing R. C. highway bridge: investigation through pseudo-dynamic, Fifthteenth world Conf. Earthq. Eng. (2012) 12. Ghayeb H.H, Razak H.A and Sulong N.H. Development and testing of hybrid precast concrete beam-to-column connections under cyclic loading Constr. Build. Mater.151, pp. 258–278, (2017) 13. Vander Werff J and Sritharan S. Girder Load Distribution for Seismic Design of Integral Bridges, J. Bridg. Eng. 20 04014055 (2015) 14. Li B, Wang B, Wang S and Wu X. Energy Response Analysis of Continuous Beam Bridges with Friction Pendulum Bearing by Multihazard Source Excitations Shock Vib., pp. 1–17, (2020) 15. Jiao C, Li A and Wu X. Research on the Influence of Dynamic Vertical Pressure on the Seismic Response of Continuous Girder Bridge Isolated with FPS Yingyong Jichu yu Gongcheng Kexue Xuebao, Journal Basic Sci. Eng. (2017) 16. Rashidov T.R. Dynamic theory of earthquake resistance of complex systems of underground structures, Tashkent, "Fan", 1973 17. Rashidov T.R and Mubarakov Y. Seismodynamics of underground structures, Soil Mech. Found. Eng. 29 p. 213–216, (1992) 18. Rashidov T.R and Nishonov N. Seismic Behavior of Underground Polymer Piping with Variable Interaction Coefficients, Soil Mech. Found. Eng. 53, pp. 196–201, (2016)
19. Rashidov T R and Bekmirzaev D.A. Seismodynamics of Pipelines Interacting with the Soil, Soil Mech. Found. Eng. 52, pp. 149–54, (2015) 20. Rashidov T R, Mardonov B.M and An E.V. Transverse Vibrations of Buried Pipelines Under Axial Loading Within Geometrically Nonlinear Theory, Int. Appl. Mech. 55, pp. 229–238, (2019) 21. Bekmirzaev D.A., Mansurova N.Sh., Nishonov N.A, Kosimov E.A and Numonov A.
Underground pipelines dynamics problem solution under longitudinal seismic loading, IOP Conf. Ser. Mater. Sci. Eng. 883 012045 (2020) 22. Nishonov N.A., Bekmirzaev D.A., An E.V., Urazmukhamedova Z and Turajonov K.
Behaviour and Calculation of Polymer Pipelines Under Real Earthquake Records IOP Conf. Ser. Mater. Sci. Eng. 869, p. 052076 (2020) 23. Bekmirzaev D.A., Kishanov R.U and Mansurova N.S. Mathematical Simulation and Solution of the Problem of Seismo–Dynamics of Underground Pipelines, Int. J. Emerg. Trends Eng. Res. 8 5028–5033, (2020)

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