Figure 1.
Floor framing layout
Figure 2.
Floor response to heel drop
Figure 3.
Unfiltered response to two persons walking
Figure 4.
FFT for response to two persons walking
Figure 5.
Filtered response to two persons walking
Figure 6.
Filtered response due to one person walking
Figure 7.
Summary of RMS acceleration due to one person walking
Figure 8.
Summary of RMS acceleration due to two persons walking
Figure 9.
Fundamental mode shape of test bay
Figure 10.
Simulated dynamic load induced by a person walking at1.90 Hz
Figure 11.
Response due to a person walking at 1.90 Hz
Figure 12.
Response due to a 1.90-Hz person followed by a 1.80-Hz person
Table 1.
Summary of FE results for different walking scenarios
| RMS acceleration (m/s2) for | |||||
|---|---|---|---|---|---|
| fP2 (Hz) | fP1 (Hz) | ||||
| 1.8 | 1.9 | 2 | 2.1 | 2.2 | |
| 0 | 0.0062 | 0.0163 | 0.0070 | 0.0052 | 0.0071 |
| 1.8 | 0.0107 | 0.0200 | 0.0102 | 0.0080 | 0.0100 |
| 1.9 | 0.0211 | 0.0195 | 0.0167 | 0.0167 | |
| 2 | 0.0082 | 0.0098 | 0.0105 | ||
| 2.1 | 0.0075 | 0.0089 | |||
| 2.2 | 0.0075 | ||||
Figure 13.
A random scenario of two persons walking: a) loading function; b) floor response
Figure 14.
Distribution of acceleration response
Figure 15.
Cumulative distribution functions of acceleration response