Earthquakes and Structures

  • 제6권3호
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  • Pages.301-316
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  • 2014
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  • 2092-7614(pISSN)
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  • 2092-7622(eISSN)
테크노프레스 (Techno-Press)
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DOI QR코드

DOI QR Code

Strength reduction factor for multistory building-soil systems

  • 투고 : 2013.10.17
  • 심사 : 2013.12.10
  • 발행 : 2014.03.25
⟨ 이전 논문 다음 논문 ⟩

초록

This paper is devoted to investigate the effects of SSI on strength reduction factor of multistory buildings. A new formula is proposed to estimate strength reduction factors for MDOF structure-soil systems. It is concluded that SSI reduces the strength reduction factor of MDOF systems. The amount of this reduction is relevant to the fundamental period of structure, soil flexibility, aspect ratio and ductility of structure, and could be significantly different from corresponding fixed-base value. Using this formula, measuring the amount of this error could be done with acceptable accuracy. For some practical cases, the error attains up to 50%.

키워드

참고문헌

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피인용 문헌

  1. Overstrength factors for SDOF and MDOF systems with soil structure interaction vol.10, pp.6, 2016, https://doi.org/10.12989/eas.2016.10.6.1273
  2. More adequate seismic design force pattern for yielding structures considering structural and ground motion uncertainties effects vol.27, pp.16, 2018, https://doi.org/10.1002/tal.1537
  3. Basic Theory of Simplified Dynamic Model for Spherical Tank Considering Swinging Effect vol.141, pp.6, 2014, https://doi.org/10.1115/1.4044116
  4. Probabilistic Evaluation of Soil-Structure Interaction Effects on Strength Demands of Shear Buildings vol.146, pp.1, 2014, https://doi.org/10.1061/(asce)st.1943-541x.0002458
  5. Strength Reduction Factor of FS Model Subjected to Near-Fault Pulse-Type Ground Motions vol.455, pp.None, 2014, https://doi.org/10.1088/1755-1315/455/1/012071