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BS 6472-1:2008 Guide to evaluation of human exposure to vibration in buildings - Vibration sources other than blasting, 2008
- Contents [Go to Page]
- Introduction 1
- 1 Scope 1
- 2 Normative references 2
- 3 Evaluation of building vibration with respect to human response 2
- 4 Characteristics of building vibration 8
- 5 Measuring and estimating building vibration 10
- 6 Assessment of building vibration with respect to human response 12
- Annexes
- Annex A (informative) Suggested format and content of an assessment report 13
- Annex B (informative) Calculation examples of evaluations and assessments 14
- Annex C (informative) Derivation of values appropriate to this British Standard from historic data 15
- Annex D (informative) Estimation of building vibration 18
- Bibliography 20
- List of figures
- Figure 1 - Frequency weighting curve (Wb) appropriate for vertical vibration 4
- Figure 2 - Frequency weighting curve (Wd) appropriate for horizontal vibration 4
- List of tables
- Table 1 - Vibration dose value ranges which might result in various probabilities of adverse comment within residential buildings 12
- Table C.1 - Wb and Wg frequency weightings including band limiting, and their differences in arithmetic and logarithmic form corresponding to true one-third-octave centre frequencies 17
- Foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Evaluation of building vibration with respect to human response [Go to Page]
- 3.1 General
- 3.2 Frequency weighting [Go to Page]
- 3.2.1 General
- 3.2.2 Frequency weighting curves [Go to Page]
- Figure 1 Frequency weighting curve (Wb) appropriate for vertical vibration
- Figure 2 Frequency weighting curve (Wd) appropriate for horizontal vibration
- 3.3 Thresholds of perception
- 3.4 Time history of vibration occurrence [Go to Page]
- 3.4.1 General
- 3.4.2 Continuous vibration
- 3.4.3 Intermittent vibration
- 3.4.4 Occasional vibration
- 3.4.5 Impulsive vibration
- 3.5 Vibration dose summation
- 3.6 Parallel effects [Go to Page]
- 3.6.1 General
- 3.6.2 Structure-borne noise
- 3.6.3 Airborne noise
- 3.6.4 Induced rattling
- 3.6.5 Visual effects
- 3.6.6 Influence of a third party
- 4 Characteristics of building vibration [Go to Page]
- 4.1 General
- 4.2 Causes of building vibration [Go to Page]
- 4.2.1 General
- 4.2.2 External sources
- 4.2.3 Internal sources
- 4.3 Low frequency and high frequency floors
- 5 Measuring and estimating building vibration [Go to Page]
- 5.1 General
- 5.2 Measurement of building vibration [Go to Page]
- 5.2.1 General
- 5.2.2 Direction of measurement
- 5.2.3 Location of measurement
- 5.3 Estimation of building vibration
- 6 Assessment of building vibration with respect to human response [Go to Page]
- Table 1 Vibration dose value ranges which might result in various probabilities of adverse comment within residential buildings
- Annex A (informative) Suggested format and content of an assessment report [Go to Page]
- a) General information:
- b) Information about the vibration under investigation:
- c) Instrumentation and analysis:
- d) Measurement procedure:
- e) Analysis procedure(s):
- f) Statement of results:
- g) Results of predictions of levels of vibration:
- h) Information about parallel effects:
- i) Assessment:
- j) Subjective observations:
- Annex B (informative) Calculation examples of evaluations and assessments [Go to Page]
- B.1 Example 1: Repeated exposures - determination of VDV over the day
- B.2 Example 2: Repeated exposures - determination of eVDV over one day
- Annex C (informative) Derivation of values appropriate to this British Standard from historic data [Go to Page]
- C.1 General
- C.2 Case 1: Full unweighted vibration recordings still available
- C.3 Case 2: Wg-weighted vibration recordings still available
- C.4 Case 3: One-third octave weighted or unweighted time histories available
- C.5 Case 4: Only the historic VDV is known
- C.6 Case 5: Only the historic eVDV is known
- Annex D (informative) Estimation of building vibration [Go to Page]
- D.1 General
- D.2 Vibration excitation
- D.3 Calculation of building vibration response
- D.4 Use of simplified methods to estimate building vibration response
- Bibliography [Go to Page]
- [1] WYATT, T.A., Design Guide on the Vibration of Floors (SCI Publication 076). Ascot, UK: SCI, 1989.
- [2] BACHMANN, H., et al. Vibration Problems in Structures - Practical Guidelines. Basel, Switzerland: Birkhäuser Verlag, 1995.
- [3] BLEVINS, R. Formulas for Natural Frequency and Mode Shape. Melbourne, Florida: Krieger Publishing Company, 2001.
- [4] NAFEMS (National Agency for Finite Elements, Methods and Standards). A Finite Element Dynamics Primer. Glasgow, UK, 1992.
- [5] THE ASSOCIATION OF NOISE CONSULTANTS. ANC Guidelines: Measurement and assessment of ground-borne noise and vibration. Fresco, 2001.
- [6] CONCRETE SOCIETY. Post-Tensioned Concrete Floors Design Handbook (Technical Report 43). Slough, UK, 1994. [Go to Page]