THE DYNAMIC ANALYSE OF A CONSTRUCTION WITH THE BASE INSULATION CONSISTING IN ANTI-SEISMIC DEVICES MODELLED AS A HOOKE-VOIGT-KELVIN LINEAR RHEOLOGICAL SYSTEM

Polidor BRATU, Adriana STUPARU, Adrian LEOPA, Sorin POPA

Abstract


The paper presents the main results of theoretical and experimental researches regarding dynamic behaviour of constructions (building, bridge, or viaduct) with the base insulation, composed of series / parallel connection of elastomeric and dissipative anti-seismic devices. The purpose of the paper is to highlight the dynamic behaviour and the isolation capacity when the base insulation system can be constructed to respect the laws of the Hooke-Voigt-Kelvin linear rheological model. There were used the data of some rigid behaviour buildings, as well as the fundamental excitation of the 4thMarch 1977 earthquake. The carried out studies highlighted the possibility to assess the dynamic response and the isolation capacity at the action of fundamental spectral component of the 4thMarch 1977 earthquake.

Key words: isolation capacity, elastomeric and dissipative anti-seismic devices, laws of the Hooke-Voigt-Kelvin linear rheological model


Full Text:

PDF

References


Alexandru C., Influence of Position Angle of Elastic Anti-Vibration Elements on the Transmissibility, Romanian Journal of Acoustics and Vibrations, RJAV, vol. XI, issue 1/2014, pag. 59-62

Bratu P., Physical instability and functional uncertainties of the dynamic systems in resonance. Applied mechanics and materials. Vol 430 (2013). Pg. 33-39. Trans Tech Publications, Switzerland.

Bratu P., Vasile O., Modal analysis of viaducts supported on elastomeric insulation within the Bechtel constructive solution for the Transilvania Highway, Romanian Journal of Acoustics and vibration, 9 (2012), 77-82.

Bratu P., Mitu A.M., Vasile O., "Dissipation Capacity Evaluation for Neoprene Anti-Seismic Isolators Under Harmonic Dynamic Excitations", RJAV, vol. 8 (1), 2011, pp.67-71, ISSN 1584-7284.

Ciuncanu M., Test performance evaluation for elastomeric anti-seismic devices on specialized stands with controlled generation excitation functions, 22th International Congress on Sound and Vibration, Florance, Italy, 12-16. 07.2015.

Dobrescu C., The rheological behaviour of stabilized bioactive soils during the vibration compaction process for road structures, 22th International Congress on Sound and Vibration, Florance, Italy, 12-16. 07.2015.

Gillich G.R., Bratu P., Frunzaverde D., Amariei D., Iancu V., Identifying mechanical characteristics of materials with non-linear behavior using statistical methods, PROCEEDINGS OF THE 4TH WSEAS INTERNATIONAL CONFERENCE ON COMPUTER ENGINEERING AND APPLICATIONS (CEA 10), pp: 96-103, Published: 2009.

Iancu, V., Gillich, G.R., Iavornic, C.M., Gillich, N., Some models of elastomeric seismic isolation devices, (2013) Applied Mechanics and Materials, 430, pp. 356-361.

Iancu, V., Vasile, O., Gillich, G.-R., Modelling and characterization of hybrid rubber-based earthquake isolation systems, (2012) Materiale Plastice, 49 (4), pp. 237-241.

Kelly J., Konstantinidis A., Mechanics of rubber bearings for seismic and vibration isolation, J. Wiley & Sons, Ltd. 2011.

Murzea P., Alternative Kinematic Assumptions for the Motions of Structures with Multiple Dynamic Degrees of Freedom Subjected to Seismic Actions, Romanian Journal of Acoustics and Vibrations, RJAV, vol. XI, issue 1/2014, pag. 53-58.

Naeim F., Kelly J., Design of seismic isolated structures, J.Wiley & Sons, Inc (1999).

Pintoi R., Rheological model for dynamic compaction evaluation with fresh concrete stationary vibration, 21th International Congress on Sound and Vibration, Beijing, China, 13-17.07.2014.

Vasile O., Experimental evaluation of the hysteretic damping of elastomeric systems at low-cyclic harmonic kinematic displacements, (2013) Applied Mechanics and Materials, 430, pp. 323-328.

Vasile O., Experimental evaluation of the damping variation of an elastomeric device harmonically excited, (2013) Applied Mechanics and Materials, 430, pp. 329-334.


Refbacks

  • There are currently no refbacks.


JOURNAL INDEXED IN :