Structural Engineering and Mechanics

  • 제41권3호
  • /
  • Pages.365-378
  • /
  • 2012
  • /
  • 1225-4568(pISSN)
  • /
  • 1598-6217(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Soil structure interaction effects on strength reduction factors

  • Eser, Muberra (Department of Civil Engineering, Yildiz Technical University) ;
  • Aydemir, Cem (Department of Civil Engineering, Yildiz Technical University) ;
  • Ekiz, Lbrahim (Department of Civil Engineering, Yildiz Technical University)
  • 투고 : 2010.11.30
  • 심사 : 2012.01.10
  • 발행 : 2012.02.10
⟨ 이전 논문 다음 논문 ⟩

초록

In this study, strength reduction factors are investigated for SDOF systems with period range of 0.1-3.0 s with elastoplastic behavior considering soil structure interaction for 64 different earthquake motions recorded on different site conditions such as rock, stiff soil, soft soil and very soft soil. Soil structure interacting systems are modeled and analyzed with effective period, effective damping and effective ductility values differing from fixed-base case. For inelastic time history analyses, Newmark method for step by step time integration was adapted in an in-house computer program. Results are compared with those calculated for fixed-base case. A new equation is proposed for strength reduction factor of interacting system as a function of structural period of system (T), ductility ratio (${\mu}$) and period lengthening ratio (T/T). It is concluded that soil structure interaction reduces the strength reduction factors for soft soils, therefore, using the fixed-base strength reduction factors for interacting systems lead to non-conservative design forces.

키워드

참고문헌

  1. Applied Technology Council - ATC (1984), Tentative provisions for the development of seismic regulations for buildings, Rep. ATC-3-06, Applied Technology Council, California.
  2. Applied Technology Council - ATC (1996), Seismic evaluation and retrofit of concrete buildings, ATC-40, Applied Technology Council, California.
  3. Applied Technology Council - ATC (2008), Quantification of building seismic performance factors. ATC-63, Applied Technology Council, California.
  4. Aviles, J. and Perez-Rocha, L.E. (2003), "Soil structure interaction in yielding systems", Earthq. Eng. Struct. Dyn., 32, 1749-1771. https://doi.org/10.1002/eqe.300
  5. Aviles, J. and Perez-Rocha, L.E. (2005), "Influence of foundation flexibility on $R_{\mu}$ and $C_{\mu}$ factors", J. Struct. Engi. - ASCE, 131(2).
  6. Aydynoglu, M.N. and Kacmaz, U (2002), "Strength-based displacement amplification spectra for inelastic seismic performance evaluation", KOER Depart. Earthq. Eng. Report, No. 2002/2.
  7. Bates, D.M. and Watts, D.G. (1988), Nonlinear regression analysis and its applications, Wiley, New York.
  8. Boore, D.M. (1993), "Some notes concerning the determination of shear-wave velocity and attenuation", Proceedings of geophysical techniques for site and material characterization, 129-34.
  9. Doo, K.K. and Yun, C.B. (2003), "Time domain earthquake response analysis method for 2-D soil-structure interaction systems". Struct. Eng. Mech., 15(6), 717-733. https://doi.org/10.12989/sem.2003.15.6.717
  10. Duzgun, O.A. and Budak, A. (2011), "A study on the topographical and geotechnical effects in 2-D Soil- Structure Interaction analysis under ground motion", Struct. Eng. Mech., 40(6), 829-845. https://doi.org/10.12989/sem.2011.40.6.829
  11. Elghadamsi, F.E. and Mohraz, B. (1987), "Inelastic earthquake spectra", Earthq. Eng. Struct. Dyn., 15, 91-104. https://doi.org/10.1002/eqe.4290150107
  12. Eser Aydemir, M. and Aydemir, C. (2011), "The effect of soil-structure interaction on inelastic displacement ratio of structures", Struct. Eng. Mech., 39(5), 683-701. https://doi.org/10.12989/sem.2011.39.5.683
  13. Federal Emergency Management Agency - FEMA (2003), Recommended provisions for seismic regulations for new buildings and other structures, Rep. FEMA-450, Federal Emergency Management Agency, Washington (DC).
  14. Ghannad, M.A. and Ahmadnia, A. (2002), "The effect of soil structure interaction on ductility demand of structure", 12th European Conference on Earthquake Engineering, London.
  15. Ghannad, M.A. and Jahankhah, H. (2007), "Site-dependent strength reduction factors for soil-structure systems", Soil Dyn, Earthq. Eng., 27, 99-110. https://doi.org/10.1016/j.soildyn.2006.06.002
  16. Lai, S.P. and Biggs, J.M. (1980), "Inelastic response spectra for a seismic building design", J. Struct. Eng. - ASCE, 106, 1295-310.
  17. Lee, L.H., Han, S.W. and Oh, Y.H. (1999), "Determination of ductility factor considering different hysteretic models", Earthq. Eng. Struct. Dyn., 28(9), 957-77. https://doi.org/10.1002/(SICI)1096-9845(199909)28:9<957::AID-EQE849>3.0.CO;2-K
  18. Miranda, E. (1993), "Site dependent strength reduction factors", J. Struct. Eng. - ASCE, 119(12), 3503-3519. https://doi.org/10.1061/(ASCE)0733-9445(1993)119:12(3503)
  19. Muller, F.P. and Keintzel, E. (1982), "Ductility requirements for flexibly supported antiseismic structures", Proceedings of the Seventh European Conference on Earthq. Eng., 3, 27-34.
  20. Nassar, A.A. and Krawinkler, H. (1991), Seismic demands for SDOF and MDOF systems, Report No.95, The John A. Blume Earthquake Engineering Center, Stanford University, Stanford, California.
  21. Newmark, N.M. and Hall, W.J. (1973), Seismic design criteria for nuclear reactor facilities, Report No. 46, Building Practices for Disaster Mitigation, National Bureau of Standards, U.S. Department of Commerce, 209-236.
  22. Riddell, R. and Newmark, N.M. (1979), Statistical analysis of the response of nonlinear systems subjected to earthquakes, Structural Research Series No. 468, Department of Civil Engineering, University of Illinois, Urbana.
  23. Riddell, R., Hidalgo, P. and Cruz, E. (1989), "Response modication factors for earthquake resistant design of short period structures", Earthq. Spectra, 5(3), 571-90. https://doi.org/10.1193/1.1585541
  24. Sarkani, S., Lutes, L.D., Jin, S. and Chan, C. (1999), "Stochastic analysis of seismic structural response with soil-structure interaction", Struct. Eng. Mech., 8(1), 53-72. https://doi.org/10.12989/sem.1999.8.1.053
  25. Stat Soft Inc. (1995), STATISTICA V.6.0 for Windows. Tulsa, OK, USA
  26. Veletsos, A.S. and Newmark, N.M. (1960), "Effect of inelastic behavior on the response of simple systems to earthquake motions", Proceedings of The Second World Conference on Earthquake Engineering, Tokyo, 895- 912.
  27. Veletsos, A.S. and Meek, J.W. (1974), "Dynamic behavior of building-foundation systems", Earthq. Eng. Struct. Dyn., 3, 121-138. https://doi.org/10.1002/eqe.4290030203
  28. Veletsos, A.S. and Nair, V.V.D. (1975), "Seismic interaction of structures on hysteretic foundations", J. Struct. Eng. - ASCE, 101(1).
  29. Veletsos, A.S. (1977), Dynamics of structure-foundation systems, Structural Geotechnical Mechanics., Ed. W. J. Hall, Prentice-Hall, Englewood Cliffs, N.J.
  30. Vidic, T., Fajfar, P. and Fischinger, M. (1992), "A procedure for determining consistent inelastic design spectra", Proceeding of Workshop on nonlinear seismic analysis of RC structures, Slovenia.
  31. Wolf, J.P. (1994), Foundation vibration analysis using simple physical models, Englewood Cliffs, Prentice-Hall NJ.

피인용 문헌

  1. Practical Soil-Shallow Foundation Model for Nonlinear Structural Analysis vol.2016, 2016, https://doi.org/10.1155/2016/4514152
  2. Soil structure interaction effects on structural parameters for stiffness degrading systems built on soft soil sites vol.45, pp.5, 2013, https://doi.org/10.12989/sem.2013.45.5.655
  3. Residual displacement estimation of simple structures considering soil structure interaction vol.16, pp.1, 2012, https://doi.org/10.12989/eas.2019.16.1.069