Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Vibration acceleration values and daily exposures of train drivers (total daily exposure=6 h)
| X-axis | Y-axis | Z-axis | aV† | Daily vibration exposure | |
|---|---|---|---|---|---|
| *a (m/s2) | 0.24 | 0.43 | 0.80 | 0.99 | - |
| ‡A (8) (m/s2) | o. 29 | 0.52 | 0.69 | - | 0.69 |
*a: Acceleration value. †aV: Sum of overall weighted acceleration in the X-, Y-, and Z-axes. ‡A (8): daily exposure
