Special Seismic Certification

Types of Tables

Throughout the world there are a variety of type of shake tables appropriate for use in a seismic certification program.

Uni-Axial Tables: Shake a unit in one direction at a given time and in accordance with code provisions may require remounting the unit and shaking up to four times per component.

Bi-Axial Tables: Shake a unit in two directions at a given time (typically vertical and one horizontal) and may require remounting the unit and shaking up to three times per components.

Tri-Axial Tables: Shake a unit in all three directions at a given time and are the most realistic testing method. This requires that a unit only needs to be mounted and tested once.