Research Article
Investigation of Dynamic Responses and Vibration Serviceability of Temporary Grandstands by a 3 DOF Interaction Model due to Swaying Motion
Table 3
Human perception and comfort category.
| Ordinal | Perception category | Subjective response |
| 1 | Imperceptible | No response (not uncomfortable) | 2 | Litter perception | Normal (a little uncomfortable) | 3 | Clear perception | Accept (fairly uncomfortable) | 4 | Little strong perception | Litter nervous (uncomfortable) | 5 | Strong perception | Nervous (very uncomfortable) | 6 | Very strong vibration | Panic (extreme uncomfortable) |
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