Eucentre is a non-profit private law foundation whose mission is to conduct research and provide training and services in earthquake and safety engineering 
Eucentre promotes science, research and innovation for the benefit of the community, offering targeted methodologies and concrete solutions for prevention, safety and resilience. It collaborates with institutions and companies to disseminate competencies for the common good.
Shake-tables
Other test systems
Eucentre carries out research activities in earthquake engineering and risk reduction through laboratory testing and numerical analysis, aiming to improve the seismic performance of structures and soils and to develop innovative seismic retrofitting techniques.
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At the 6DLAB laboratory, inaugurated in 2017 with seismic experimentation on non-structural elements as the main objective, dynamic characterization tests were carried out on a false ceiling system produced by Rockwool Italia – Rockfon.
Shake table test on a false ceiling system according to ICC ES AC156 (2015) e ISO 13033: 2013
Figure 1 – Test Specimen mounted on shake table.
The specimen was connected to a rigid steel frame designed by the staff of EUCENTRE.
The performed test procedure included, as specified by ICC ES AC156 (2015), both resonance search test and seismic simulation tests. The following paragraphs give information on the signals used for these tests, their characteristics and their generation.
Beside the ICC ES AC156 (2015) seismic tests, other tests reflecting the requests of the ISO 13033:2013 standard were performed. The required response spectra for those tests were developed adapting the ISO 13033:2013 to the formulas included in the EC8.
For ICC ES AC156 (2015) tests were performed referring to four different seismicity levels derived for the Italian seismic context, whereas for ISO 13033:2013 tests were performed referring to five different seismicity levels derived for the Italian seismic context.
Figure 2 – RRS for Horizontal (a) and Vertical (b) Acceleration Level.
Following the test, analysis of the achieved table motions demonstrated that the Test Response Spectra (TRS) calculated from those motions approximated the RRS for all three orthogonal degrees of freedom, as reported in Figure 3 for higher level.
Figure 3 – Comparison of TRS and RRS Horizontal (a) (b) and Vertical (c) for test at higher level (ISO13033-SuperHighS).