2019
Conference article  Open Access

A new seismic isolation device based on tribological smooth rocking (TROCKSISD)

Froli M., Giresini L., Laccone F.

Seismic protection  Rocking  Seismic isolation  Vi-bration control  Friction.  Damage Avoidance Design 

In the field of seismic risk mitigation of art objects, an innovative isolation device is here il-lustrated. The device, called TROCKSISD (Tribological ROCKing Seismic ISolation Device), couples multiple components to dissipate energy and control smooth rocking: spherical con-tact surfaces with frictional layers, elastic springs ensuring re-centering and viscous elastic dampers. The conceptual idea is described and the equations of motions of the two degrees of freedom system presented, discussing the performance-based structural behaviour and the mechanical/geometric parameters involved. Moreover, dynamic analyses are performed to understand the role of the frictional layers with respect to the peripheral dampers in the miti-gation of motion under spectrum compatible seismic records. The results in terms of rocking spectra are presented and comparisons with the equivalent single degree of freedom system without the isolation device are made.

Source: COMPDYN 2019 - 7th ECCOMAS Thematic Conference on Computational Methods in Structural Dynamics and Earthquake Engineering, pp. 750–760, Crete, Greece, 24-26 June 2019


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BibTeX entry
@inproceedings{oai:it.cnr:prodotti:407569,
	title = {A new seismic isolation device based on tribological smooth rocking (TROCKSISD)},
	author = {Froli M. and Giresini L. and Laccone F.},
	doi = {10.7712/120119.6954.19893},
	booktitle = {COMPDYN 2019 - 7th ECCOMAS Thematic Conference on Computational Methods in Structural Dynamics and Earthquake Engineering, pp. 750–760, Crete, Greece, 24-26 June 2019},
	year = {2019}
}