We do most of our work at the Seismic Hazards Research Lab (SHRL) located in Fears Structural Engineering Lab at OU. The SHRL was designed to enable both earthquake shake-table tests of structures, equipment, and systems to protect equipment, as well as high-performance isolation system development. The SHRL features a wide array of actuators, sensors, and data acquisition systems for precise dynamic loading and response measurement of structural systems. Our central facilities include three shake tables of varying capabilities: