Protection against vibration nuisance in order to maintain satisfactory conditions during work, sleep, rest and recreation was specified in the Norwegian building regulations in 1997. Problems with soft clay with high water content in densely populated areas cause vibration problems in dwellings from heavy road and rail traffic. A qualified vibration measurement method for transport sources was published as Norwegian standard NS 8176 in 1999. An empirical method for determination of statistical maximum values of velocity or acceleration (vw,95 or aw,95) and guidelines for the assessment of vibrations is introduced and exposure-effect curves presented as a basis for a classification system with four vibration classes in relation to the vibration nuisance.
References
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NS-ISO 2631–2 (1994) “Evaluation of human exposure to whole-body vibration — Part 2: Continuous and shock-induced vibration in buildings (1 to 80 Hz).”International Organization for Standardization.
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NS 8175 (1997) Lydforhold i bygninger- Lydklassifisering av bygninger.”Norwegian Council for Building Standardization. (In Norwegian)
18.
NS 8176 (1999) “Vibration and shock — Measurement of vibration in buildings from landbased transport and guidance to evaluation of its effects on human beings”. Norwegian Council for Building Standardization
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NT ACOU 082 (1991) “Buildings: vibration and shock, evaluation of annoyance. Nordtest. Finland.
