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Modal Testing Equipment

The Laboratory is equipped with modern facilities required for performing both ambient and FRF-based modal testing of civil structures. Key components of the system are:

  • An electrodynamic shaker (Figure 1),
  • An instrumented impact hammer (Figure 2),
  • A set of accelerometers (Figures 3 and 4), and
  • A multiple-channel data acquisition system.

Fig. 1: Electrodynamic shaker model APS400.

 Instrumented hammer
Fig. 2: Instrumented sledge hammer (Dytran 5803A).

Dytran accelerometer
Fig. 3: Dytran 3166B1 accelerometer.
QA750 accelerometer
Fig. 4: QA 750 accelerometer.