1. Realization of a prototype of bidirectional shaking table G.P. Cimellaro, M. Capozzo, F. Nocera and A. Rizzi Departement of Structural, Building and Geotechnical Engineering, Politecnico di Torino POLITECNICO DI TORINO – DISEG G.P. CIMELLARO, M. CAPOZZO, F. NOCERA, A. RIZZI

2. Objectives  Create a bidirectional prototype that can replicate an earthquake in its two components  Create a prototype that can multi task in its different configurations  Support research on resilience and emergency management with particular reference to earthquakes, accidents and terrorist attacks POLITECNICO DI TORINO – DISEG G.P. CIMELLARO, M. CAPOZZO, F. NOCERA, A. RIZZI

3. Multi task of the shaking table Different possible configurations POLITECNICO DI TORINO – DISEG G.P. CIMELLARO, M. CAPOZZO, F. NOCERA, A. RIZZI

4. Test on a structure POLITECNICO DI TORINO – DISEG G.P. CIMELLARO, M. CAPOZZO, F. NOCERA, A. RIZZI Frame Big Plate (1.50 x 1.50 m) Model

5. Test on a road POLITECNICO DI TORINO – DISEG G.P. CIMELLARO, M. CAPOZZO, F. NOCERA, A. RIZZI Model Two plates for each directions

6. Phases of realization POLITECNICO DI TORINO – DISEG G.P. CIMELLARO, M. CAPOZZO, F. NOCERA, A. RIZZI 1.Painting 2.Positioning base support 3.Positioning long bars 4.Positioning plates 5.Positioning models on the shaking table

7. Electrical Drive POLITECNICO DI TORINO – DISEG G.P. CIMELLARO, M. CAPOZZO, F. NOCERA, A. RIZZI 2 linear electrical engines PS 01 48x240-C of LinMOT MAX force: 585 N MAX stroke: 330 mm MAX speed: 1,7 m/s

8. Electrical Drive POLITECNICO DI TORINO – DISEG G.P. CIMELLARO, M. CAPOZZO, F. NOCERA, A. RIZZI 2 linear electrical engines PS 01 48x360-F of LinMOT MAX force: 1024 N MAX stroke: 510 mm MAX speed: 2,1 m/s

9. Control Panel POLITECNICO DI TORINO – DISEG G.P. CIMELLARO, M. CAPOZZO, F. NOCERA, A. RIZZI

10. Control Panel POLITECNICO DI TORINO – DISEG G.P. CIMELLARO, M. CAPOZZO, F. NOCERA, A. RIZZI Electric power supply PS 01 48x360 Drives NI Anlaog/Digital Converter PS 01 48x240 Drives

11. Structure of the control POLITECNICO DI TORINO – DISEG G.P. CIMELLARO, M. CAPOZZO, F. NOCERA, A. RIZZI 1.The accelerograms input the values of acceleration as a function of time with a signal frequency in two directions. 2.Due to electrical engines control which is performed by signals of position, the values of acceleration are integreted two times in order to obtain the equivalent position values. 3.This values are passed to a National Instruments analogic\digital converter. 4.Converted values are a voltage numbers proportional to a displacement. 5.Electrical engines read tis values and move to a corresponding displacement. It’s possible to check the real value of acceleration using accelerometers

12. Future development POLITECNICO DI TORINO – DISEG G.P. CIMELLARO, M. CAPOZZO, F. NOCERA, A. RIZZI It’s our desire to improve our prototype in order to give as an input the earthquake triaxial shaking movement. Using more than four engines it will be possible! Thank you