Earthquakes and Structures

  • 제1권4호
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  • Pages.391-410
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  • 2010
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  • 2092-7614(pISSN)
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  • 2092-7622(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Capacity design considerations for RC frame-wall structures

  • Sullivan, Timothy J. (Department of Structural Mechanics, Universita degli Studi di Pavia)
  • 투고 : 2010.04.30
  • 심사 : 2010.07.30
  • 발행 : 2010.12.25
⟨ 이전 논문 다음 논문 ⟩

초록

There are several important considerations that need to be made in the capacity design of RC frame-wall structures. Capacity design forces will be affected by material overstrength, higher mode effects and secondary loadpaths associated with the 3-dimensional structural response. In this paper, the main issues are identified and different means of predicting capacity design forces are reviewed. In order to ensure that RC frame-wall structures perform well it is explained that the prediction of the peak shears and moments that develop in the walls is particularly important and unfortunately very challenging. Through examination of a number of case study structures it is shown that there are a number of serious limitations with capacity design procedures included in current codes. The basis and potential of alternative capacity design procedures available in the literature is reviewed, and a new simplified capacity design possibility is proposed. Comparison with the results of 200 NLTH analyses of frame-wall structures ranging from 4 to 20 storeys suggest that the new method is able to predict wall base shears and mid-height wall moments reliably. However, efforts are also made to highlight the uncertainty with capacity design procedures and emphasise the need for future research on the subject.

키워드

참고문헌

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피인용 문헌

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  3. Different macroscopic models for slender and squat reinforced concrete walls subjected to cyclic loads vol.7, pp.5, 2014, https://doi.org/10.12989/eas.2014.7.5.877
  4. Technical Note: Practical Challenges Facing the Selection of Conditional Spectrum-Compatible Accelerograms vol.21, pp.1, 2017, https://doi.org/10.1080/13632469.2016.1157527
  5. Capacity Design of Coupled RC Walls vol.18, pp.5, 2014, https://doi.org/10.1080/13632469.2014.904255
  6. Comparative in-plane pushover response of a typical RC rectangular wall designed by different standards vol.7, pp.5, 2014, https://doi.org/10.12989/eas.2014.7.5.667
  7. Inelastic Higher-Mode Response in Reinforced Concrete Wall Structures vol.31, pp.3, 2015, https://doi.org/10.1193/051213EQS123M
  8. A cantilever beam analogy for quantifying higher mode effects in multistorey buildings vol.44, pp.11, 2015, https://doi.org/10.1002/eqe.2549
  9. On the Seismic Response of the Faculty of Architecture and Engineering Building at Tohoku University vol.32, pp.1, 2016, https://doi.org/10.1193/053013EQS139M
  10. Design in shear of reinforced concrete short columns vol.4, pp.3, 2010, https://doi.org/10.12989/eas.2013.4.3.265
  11. A simplified method for evaluation of seismic displacement of reinforced concrete frame buildings vol.4, pp.2, 2010, https://doi.org/10.1080/24705314.2019.1603190
  12. Experimental Evaluation of Inelastic Higher-Mode Effects on the Seismic Behavior of RC Structural Walls vol.146, pp.4, 2010, https://doi.org/10.1061/(asce)st.1943-541x.0002509