In the webinar "Research on Experimental Dynamics at the University of Rijeka – Rocking, Self-Organisation, and Multiple-Support Excitation," Dr. Gordan Jelenic and his Ph.D. students, Nina Ceh and Miran Tuhtan from the University of Rijeka introduced a unique seismic laboratory at the Faculty of Civil Engineering, featuring uniaxial and two biaxial shake tables. They highlighted the current research in their laboratory focused on the dynamic response of discontinuous systems and the behavior of structures under multi-support excitation. They also discussed how the Shake Tables are used in their teaching activities.
The Quanser Shake Table I-40, an open architecture bench-scale single-axis earthquake simulator, is ideal for teaching structural dynamics and control, earthquake engineering, and other control topics related to civil engineering. With pre-loaded acceleration profiles of real earthquakes, such as Northridge and El-Centro, students can study the effects on buildings, bridges, and various materials.
The Hexapod stands as a compact and robust six degrees of freedom parallel robotic motion platform, capable of high-acceleration movement handling up to 100 kg. Distinguishing itself from conventional Stewart platforms, this Hexapod utilizes advanced electrical motors, ensuring precision, responsiveness, and minimal maintenance.
The Shake Table II XY consists of two single-axis Shake Table II units mounted perpendicularly on top of each other. Each stage can travel ±7.6 cm. Driven by powerful motors, the Shake Table II XY can achieve an acceleration of 2.5 g when loaded with a 7.5 kg mass.
