Earthquakes and Structures

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Rubber bearing isolation for structures prone to earthquake - a cost effectiveness analysis

  • Islam, A.B.M. Saiful (Department of Civil & Construction Engineering, College of Engineering, Imam Abdulrahman Bin Faisal University) ;
  • Sodangi, Mahmoud (Department of Civil & Construction Engineering, College of Engineering, Imam Abdulrahman Bin Faisal University)
  • Received : 2020.01.16
  • Accepted : 2020.10.10
  • Published : 2020.10.25
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Abstract

Recent severe earthquakes in and around the vital public places worldwide indicate the severe vulnerability of ground excitation to be assailed. Reducing the effect of seismic lateral load in structural design is an important conception. Essentially, seismic isolation is required to shield the superstructure in such a way that the building superstructure would not move when the ground is shaking. This study explores the effectiveness, design, and practical feasibility of base isolation systems to reduce seismic demands on buildings of varying elevations. Thus, static and dynamic analyses were conducted based on site-specific bi-directional earthquakes for base-isolated as well as fixed-based buildings. Remarkably, it was discovered that isolators used in low-rise to high-rise structures tend to significantly decrease the structural responses of seismic prone buildings. The higher allowable horizontal displacement induces structural flexibility and ensure good structural health of the building stories. Reinforcement from vertical and horizontal members can be reduced in significant amounts for BI buildings. Thus, although incorporating base isolators increases the initial outlay, it considerably diminishes the total structural cost.

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References

  1. Ariga, T., Kanno, Y. and Takewaki, I. (2006), "Resonant behaviour of base-isolated high-rise buildings under long-period ground motions", Struct. Des. Tall Spec. Build., 15(3), 325-338. https://doi.org/10.1002/tal.298.
  2. Casciati, F. and Hamdaoui, K. (2008), "Modelling the uncertainty in the response of a base isolator", Probabil. Eng. Mech., 23(4), 427-437. https://doi.org/10.1016/j.probengmech.2007.10.014.
  3. Computer & Structures Inc. (2004), Linear and nonlinear static and dynamic analysis of three-dimensional structures, In Computer & Structures Inc. SAP2000 (Ed.). Berkeley (CA): Computer & Structures, Inc.
  4. Dall'Asta, A. and Ragni, L. (2008), "Nonlinear behavior of dynamic systems with high damping rubber devices", Eng. Struct., 30(12), 3610-3618. https://doi.org/10.1016/j.engstruct.2008.06.003.
  5. Deringol, A.H. and Bilgin, H. (2018), "Effects of the isolation parameters on the seismic response of steel frames", Earthq. Struct., 15(3), 319-334. https://doi.org/10.12989/eas.2018.15.3.319.
  6. Hadidi, A. Azar, B.F. and Rafiee, A. (2016), "Reliability-based design of semi-rigidly connected base-isolated buildings subjected to stochastic near-fault excitations", Earthq. and Struct., 11(4), 701-721. https://doi.org/10.12989/eas.2016.11.4.701.
  7. HCGL (2011), Price of lead rubber bearing and High damping rubber bearing for seismic base isolation: Holmes Consulting Group Ltd. Wellington, New Zealand
  8. Hsu, T.Y. and Pham, Q.V. (2019). "Post-earthquake assessment of buildings using displacement and acceleration response", Earthq. Struct., 17(6), 599-609. https://doi.org/10.12989/eas.2019.17.6.599.
  9. Islam, A. and Al-Kutti, W.A. (2018), "Seismic response variation of multistory base-isolated buildings applying lead rubber bearings", Comput. Concrete, 21(5), 495-504. http://dx.doi.org/10.12989/cac.2018.21.5.495
  10. Islam, A.B.M.S., Ahmad, S., Jumaat, M.Z., Hussain, R.R. and Rahman, M.A. (2013c), "Efficient design in building construction with rubber bearing in medium risk seismicity: case study & assessment", J. Civil Eng. Manage., 621-631. https://doi.org/10.3846/13923730.2013.801910.
  11. Islam, A.B.M.S., Ahmad, S.I., Jameel, M. and Zamin, M.J. (2012a), "Seismic base isolation for buildings in regions of low to moderate seismicity: practical alternative design", Practice Periodic. Struct. Des. Construct., 17(1), 13-20. https://doi.org/10.1061/(ASCE)SC.1943-5576.0000093.
  12. Islam, A.B.M.S., Hussain, R.R., Jameel, M. and Jumaat, M.Z. (2012c), "Non-linear time domain analysis of base isolated multi-storey building under site specific bi-directional seismic loading", Automation Construct., 22, 554-566. https://doi.org/10.1016/j.autcon.2011.11.017.
  13. Islam, A.B.M.S., Hussain, R.R., Jumaat, M.Z. and Rahman, M.A. (2013a), "Nonlinear dynamically automated excursions for rubber-steel bearing isolation in multi-storey construction", Automat. Construct., 30(0), 265-275. http://dx.doi.org/10.1016/j.autcon.2012.11.010.
  14. Islam, A.B.M.S., Jameel, M., Ahmad, S.I., Salman, F.A., Jumaat, M.Z. (2011), "Engendering earthquake response spectra for Dhaka region usable in dynamic analysis of structures", Sci. Res. Essays, 6(16), 3519-3530. https://doi.org/10.5897/SRE11.218.
  15. Islam, A.B.M.S., Jameel, M., Jumaat, M.Z., Rahman, M.M. (2013b), "Optimization in structural altitude for seismic base isolation at medium risk earthquake disaster region", Disaster Advan., 6(1), 23-34. http://eprints.um.edu.my/id/eprint/7282.
  16. Islam, A.B.M.S., Jameel, M., Uddin, M.A. and Jumaat, M.Z. (2012b), "Competent building elevation for incorporating base isolation in aseismic structure", Procedia Eng., 50, 882-892. https://doi.org/10.1016/S1877-7058(14)00002-2.
  17. Ismail, M., Rodellar, J. and Ikhouane, F. (2010), "An innovative isolation device for aseismic design", Eng. Struct., 32(4), 1168-1183. https://doi.org/10.1016/j.engstruct.2009.12.043.
  18. Jangid, R.S. (2007), "Optimum lead-rubber isolation bearings for near-fault motions", Eng. Struct., 29(10), 2503-2513. https://doi.org/10.1016/j.engstruct.2006.12.010.
  19. Kelly, T.E. (2001), Base isolation of structures: design guidelines. Holmes Consulting Group Ltd., Wellington, New Zealand.
  20. Kelly, T.E., Robinson W.H. and Skinner, R.I. (2006), Seismic Isolation for Designers and Structural Engineers: Robinson seismic Ltd., Wellington, New Zealand.
  21. Kilar, V. and Koren, D. (2009), "Seismic behaviour of asymmetric base isolated structures with various distributions of isolators", Engineering Structures, 31(4), 910-921. https://doi.org/10.1016/j.engstruct.2008.12.006
  22. Kostinakis, K. and Morfidis, K. (2017), "The impact of successive earthquakes on the seismic damage of multistorey 3D R/C buildings", Earthq. Struct., 12(1), 1-12. https://doi.org/10.12989/eas.2017.12.1.001.
  23. Kumar, P. and Petwal, S. (2019), "Seismic performance of secondary systems housed in isolated and non-isolated building", Earthq. Struct., 16(4), 401-413. http://dx.doi.org/10.12989/eas.2019.16.4.401.
  24. Luo, L., Nguyen, H., Alabduljabbar, H., Alaskar, A., Alrshoudi, F., Alyousef, R., Nguyen, V.D. and Dang, H.M. (2020), "Depiction of concrete structures with seismic separation under faraway fault earthquakes", Advan. Concrete Construct., 9(1), 71-82. https://doi.org/10.12989/acc.2020.9.1.071.
  25. Matsagar, V.A. and Jangid, R.S. (2004), "Influence of isolator characteristics on the response of base-isolated structures", Eng. Struct., 26(12), 1735-1749. https://doi.org/10.1016/j.engstruct.2004.06.011.
  26. Mavronicola, E. and Komodromos, P. (2014), "On the response of base-isolated buildings using bilinear models for LRBs subjected to pulse-like ground motions: sharp vs. smooth behaviour", Earthq. Struct., 7(6), 1223-1240. http://dx.doi.org/10.12989/eas.2014.7.6.1223.
  27. Melkumyan, M.G. (2013), "New approach in design of seismic isolated buildings applying clusters of rubber bearings in isolation systems", Earthq. Struct., 4(6), 587-606. http://dx.doi.org/10.12989/eas.2013.4.6.409.
  28. Micheli, I. Cardini, S. Colaiuda, A. and Turroni, P. (2004), "Investigation upon the dynamic structural response of a nuclear plant on aseismic isolating devices", Nuclear Eng. Des., 228(1-3), 319-343. https://doi.org/10.1016/j.nucengdes.2003.06.028.
  29. Olmos, B.A. and Roesset, J.M. (2010), "Effects of the nonlinear behavior of lead-rubber bearings on the seismic response of bridges", Earthq. Struct., 1(2), 215-230. https://doi.org/10.12989/eas.2010.1.2.215.
  30. Olsen, A., Aagaard, B. and Heaton, T. (2008), "Long-period building response to earthquakes in the San Francisco Bay Area", Bull. Seismol. Soc. Amer., 98(2), 1047-1065. https://doi.org/10.1785/0120060408.
  31. Providakis, C.P. (2008), "Effect of LRB isolators and supplemental viscous dampers on seismic isolated buildings under near-fault excitations", Eng. Struct., 30(5), 1187-1198. https://doi.org/10.1016/j.engstruct.2007.07.020.
  32. Rupam Jyoti Nath, R.J., Deb, S.K. and Dutta, A. (2013), "Base isolated RC building - performance evaluation and numerical model updating using recorded earthquake response", Earthq. Struct., 4(5), 471-487. https://doi.org/10.12989/eas.2013.4.5.471.
  33. Saadatnia, M., Riah, H.T. and Izadinia, M. (2020), "The effect of cyclic loading on the rubber bearing with slit damper devices based on finite element method", Earthq. Struct., 18(2), 215-222. https://doi.org/10.12989/eas.2020.18.2.215.
  34. Saifullah, M.K. and Alhan, C. (2017), "Necessity and adequacy of near-source factors for seismically isolated buildings", Earthq. Struct., 12(1). 91-108. https://doi.org/10.12989/eas.2017.12.1.091.
  35. Strukar, K., Sipos, T.K., Jelec, M. and Nyarko, M.H. (2019), "Efficient damage assessment for selected earthquake records based on spectral matching", Earthq. Struct., 17(3), 271-282. https://doi.org/10.12989/eas.2019.17.3.271.
  36. Tiong, P.L.Y., Adnan, A., Rahman, A.B.A. and Mirasa, A.K. (2014), "Seismic base isolation of precast wall system using high damping rubber bearing", Earthq. Struct., 7(6), 1141-1169. https://doi.org/10.12989/eas.2014.7.6.1141.
  37. Tornello, M.E. and Sarrazin, M. (2012), "Base-isolated building with high-damping spring system subjected to near fault earthquakes", Earthq. Struct., 3(3-4), 315-340. https://doi.org/10.12989/eas.2012.3.3_4.315.
  38. Uniform Building Code (1997), Earthquake regulations for seismic isolated structures. Paper presented at the International conference of building officials, Whitter CA, U.S.A.
  39. Varnava, V. and Komodromos, P. (2013), "Assessing the effect of inherent nonlinearities in the analysis and design of a low-rise base isolated steel building", Earthq. Struct., 5(5), 499-526. http://dx.doi.org/10.12989/eas.2013.5.5.499.