Abstract
Base isolation is a well-established technique of vibration mitigation. Among the many devices available on the market, elastomeric base isolators are widely adopted. Their drawback is the aging of the elastomeric component, which makes a strict maintenance plan mandatory. This manuscript summarizes an experimental study where the performance of new base isolators is compared with that of 10-years old devices.
Article PDF
Similar content being viewed by others
Avoid common mistakes on your manuscript.
Abbreviations
- a u :
-
Acceleration of the upper plate (m/s2)
- d :
-
Diameter of rubber disks (mm)
- m :
-
Mass (kg)
- n :
-
Number of rubber disks
- t r :
-
Total rubber height (mm)
- D :
-
Actual device diameter (mm)
- G :
-
Elastic shear modulus (MPa)
- K :
-
Horizontal stiffness (N/mm)
- T :
-
Period (s)
- ζ :
-
Viscous damping
References
Buckle I.G., Mayes R.L.: Seismic isolation history: application and performance—a world review. Earthq. Spectra 6, 161–201 (1990)
Bettinali, F., Bonacina, G., Pucci, G., Serino, G., Giuliani, G.C., Forni, M., Indirli, M., Martelli, A.: On-site dynamic test of a large seismically isolated building and related numerical analysis. In: Proceedings of ASME Pressure Vessel and Piping Conference, San Diego, CA, USA, 23–28 June 1991, PVP-vol. 222, pp. 77–89 (1991)
Skinner R.I., Robinson W.H., McVerry G.H.: An Introduction to Seismic Isolation. Wiley, New York, NY (1993)
Casciati, F., Lagorio, H.J.: Urban renewal aspects and technological devices in infrastructure rehabilitation. In: Proceedings of the First European Conference on Structural Control, Barcellona; World Scientific, Singapore, pp. 173–181 (1996)
Soong T.T., Dargush G.F.: Passive Energy Dissipation in Structural Engineering. Wiley, New York, NY (1997)
Casciati F., Magonette G., Marazzi F.: Technology of Semiactive Devices and Applications in Vibration Mitigation. Wiley, Chichester (2006)
Casciati F., Faravelli L.: A passive control device with SMA components: from the prototype to the model. J. Struct. Control Health Monit. 16(7–8), 751–765 (2009)
Kelly J.M.: Seismic isolation systems for developing countries. Earthq. Spectra 18(3), 385–406 (2002)
Yoshida J., Abe M., Fujino Y., Watanabe H.: Three-dimensional finite-element analysis of high damping rubber bearing. J. Eng. Mech. ASCE 130(5), 607–620 (2004)
Nagarajaiah S., Sahasrabudhe S.: Seismic response control of smart sliding isolated buildings using variable stiffness systems: an experimental and numerical study. Earthq. Eng. Struct. Dyn. 35(2), 177–197 (2006)
Narasimhan S., Nagarajaiah S., Johnson E.A., Gavin H.P.: Smart base-isolated benchmark building. Part I: problem definition. J. Struct. Control Health Monit. 13(2–3), 573–588 (2006)
Sannino, U., Sandi, H., Martelli, A., Vlad, I.: Modern systems for mitigation of seismic action. In: Proceedings of the Symposium Held at Bucharest, Rumania, 31 Oct 2008, ISBN 978-973-720-223-9, AGIR Publishing House, Bucharest (2009)
Fadi F., Constantinou M.C.: Evaluation of simplified methods of analysis for structures with triple friction pendulum isolators. Earthq. Eng. Struct. Dyn. 39(1), 5–22 (2009)
Morgan T.A., Mahin S.A.: Achieving reliable seismic performance enhancement using multi-stage friction pendulum isolators. Earthq. Eng. Struct. Dyn. 39(13), 1443–1461 (2010)
Chang C.-M., Spencer B.F.: Active base isolation of buildings subjected to seismic excitations. Earthq. Eng. Struct. Dyn. 39(13), 1493–1512 (2010)
CEN (European Committee for Standardization): EN 15129:2009—Anti-seismic Devices, Austrian Standards Institute, Wien (2010)
Kelly J.M.: Earthquake-Resistant Design with Rubber. Springer, London (1993)
Barker, L.R.: Accelerated long-term ageing of natural rubber vulcanizates. Part 2: results from ageing tests at 40°C. Rubber Dev. 44(2/3), 91 (1991)
Fuller K.N.G., Pond T.J.: The Long Term Performance of High Damping Natural Rubber Seismic Bearings, European Seismic Design Practice. Balkema, Rotterdam (1995)
CEN: EN 1998 (Eurocode 8), Design of structures for earthquake resistance
CEN: EN 1337:2006, Structural bearings—general design rules
Italian Infrastructures Ministry Decree: Norme Tecniche per le Costruzioni 2008 (in Italian), Gazzetta Ufficiale 29, 04-02-2008 (2008)
D’Andrea, A.: Identificazione del comportamento di dispositivi elastomerici per l’isolamento alla base (in Italian). Civil engineering master thesis, University of Pavia (1998)
Andena, J.: Invecchiamento del componente elastomerico in dispositivi di isolamento alla base (in Italian). Civil engineering master thesis, University of Pavia (2010)
Bergamo, G., Forni, M.: Effetti dell’invecchiamento naturale sugli isolatori sismici elastomerici ad elevato smorzamento del Centro Regionale Telecom di Ancona (in Italian). http://www.assisi-antiseismicsystems.org/.../GN11/GN11_Invecchiamento.pdf
MTS 407: User manual (1994)
Author information
Authors and Affiliations
Corresponding author
Additional information
Dedicated to Professor Hans Irschik on the occasion of his 60th birthday.
Rights and permissions
About this article
Cite this article
Casciati, F., Faravelli, L. Experimental investigation on the aging of the base isolator elastomeric component. Acta Mech 223, 1633–1643 (2012). https://doi.org/10.1007/s00707-012-0636-x
Received:
Revised:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s00707-012-0636-x