Fraunhofer Institute for Building Physics
Dynamic stiffness
Acoustics
| Measurement | Dynamic stiffness |
| Standard | DIN 29052 |
| Measurement object | All types of elastic and damping layers of floating floors and floor coverings, elastic and damping materials for other applications |
Technical data
| Size of test samples | 200 mm × 200 mm |
| Thickness of test samples | 10 to 50 mm |
| Static load | 8 kg |
| Measuring range | Approx. 5 to 100 MN/m³ |
Special feature
| Range of surface load | 0.4 Pa to 4 kPa |
More information
The resonance frequency of the system (test sample and mechanically loading element) is determined by using swept sine excitation at different forces.