TABLE 1. Ranges of Multiplying Factors to Specify SatisfactoryMagnitudes of Building Vibration with Respect to Human Response(SOURCE: ISO 2631-2 International Standard, Annex A, 1989.)
TABLE 1. Ranges of Multiplying Factors to Specify SatisfactoryMagnitudes of Building Vibration with Respect to Human Response(SOURCE: ISO 2631-2 International Standard, Annex A, 1989.)
Critical working areas
such as hospital operating
rooms and precision
laboratories
Residential
Office
Workshop
Day 1 1
Night " "
Day 2 to 4 30 to 90
Night 1.4 1.4 to 20
Day 4 60 to 128
Night " "
Day 8 90 to 128
Night " "
PLACE TIME Continuous Vibration Transient Vibration
Farzad Naeim, John A. Martin and Associates, Inc.
(intermittent) (several occurrences/day)