Earthquake response control of ground soft storey

Sakshi A Manchalwar

doi:10.24294/jgc.v4i1.564

Earthquake response control of ground soft storey

Sakshi A Manchalwar

Article ID: 564
Vol 4, Issue 1, 2021

VIEWS - 1175 (Abstract) 261 (PDF)

Abstract

In the present study, friction damper, an energy dissipating passive device is explored to reduce the response of open ground storey building under lateral loading due to earthquake. This damper is installed in the selected bays of open ground storey so that the response is reduced. The masonry infill wall is macro-modeled in the form of compression only diagonal members. Three different types of bracing system were installed along with Pall friction damper – single diagonal tension – compression brace with friction damper, tension only cross brace with friction damper and chevron brace with friction damper were modeled using Wen’s plastic link element in SAP2000. G+4 storey buildings were analyzed using nonlinear time history analysis. The storey displacement and inter-storey drift for all the cases were compared in the study.

Keywords

Ground Storey; Friction Dampers; Infill Masonry Wall; Floor Displacement Response

Full Text:

PDF

References

1. Arlekar JN, Jain SK, Murty CVR (editors). Seismic response of RC frame buildings with soft first storeys. New Delhi: Proceedings of CBRI Golden Jubilee Conference on Natural Hazards in Urban Habitat; 1997 Jan; Berlin: ResearchGate; 1997. p. 10–11.

2. Negro P, Verzeletti G. Effect of infills on the global behaviour of R/C frames: Energy considerations from pseudodynamic tests. Earthquake Engineering & Structural Dynamics 1996; 25(8): 753–773.

3. Al-Chaar G, Issa MA, Sweeney S. Behavior of masonry-infilled nonductile reinforced concrete frames. Journal of Structural Engineering 2002; 128 (8): 1055–63.

4. Davis R, Krishnan P, Menon D, et al. Effect of infill stiffness on seismic performance of multistorey RC framed buildings in India. 13th World Conference on Earthquake Engineering; 2004 Aug 1-6; Vancouver, B.C. Amsterdam: Mendeley, Elsevier; 2004. p. 1–9.

5. Pall A, Pall RT Performance-based design using pall friction dampers — An economical design solution. 13th World Conference on Earthquake Engineering; 2004 Aug 1-6; Vancouver, B.C. Montreal: Pall Dynamics Limited; 2004. p. 576–571.

6. Vezina S, Pall RT. Seismic retrofit of MUCTC building using friction dampers, Palais Des Congres, Montreal. 13th World Conference on Earthquake Engineering; 2004 Aug 1-6; Vancouver, B.C. Montreal: Pall Dynamics Limited; 2004. p. 1–6.

7. Lee SK, Park JH, Moon BW, et al. Design of a bracing-friction damper system for seismic retrofitting. Smart Structures and Systems 2008; 4(5): 685–696.

8. Singh MP, Moreschi LM. Optimal seismic design of building structures with friction dampers. 1st ed. In: Spencer BF, Hu Y (editors). Earthquake Engineering Frontiers in the New Millennium. London: Taylor & Francis Group; 2001. p. 482.

9. Kitajima K, Chikui H, Ageta H, et al. Application to response control retrofit method by means of external damping braces using friction dampers. Proceedings of the 13th World Conference on Earthquake Engineering; 2004 Aug 1-6; Vancouver. Vancouver (BC): International Association for Energy Economics (IAEE); 2004.

10. American Society of Civil Engineers (ASCE). Pre-standard and commentary for the seismic rehabilitation of buildings. Report FEMA-356 2000.

11. Council AT, Rojahn C, Shapiro D, et al. NEHRP guidelines for the seismic rehabilitation of buildings. Report FEMA-273 1997.

12. Pall A. Design – Slip load of friction dampers. Pall Dynamics – Pioneers of friction dampers for seismic control of buildings [Internet]. Montreal: Pall Dynamics Limited; 1984 [cited 2020]. Available from: http://www.palldynamics.com/DesignWithFr ictionDampers.htm.

13. Crime Scene Investigation (CSI). CSI analysis reference manual for SAP2000, ETABS and SAFE. Berkeley, CA.: Computers and Structures Inc.; 2007.

14. Crime Scene Investigation (CSI). SAP2000 Advanced. Berkeley, CA.: Computer and Structures Inc.; 2007.

DOI: https://doi.org/10.24294/jgc.v4i1.564