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BS EN ISO 140-8:1998
Superseded
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Acoustics. Measurement of sound insulation in buildings and of building elements Laboratory measurements of the reduction of transmitted impact noise by floor coverings on a heavyweight standard floor
Hardcopy , PDF
28-02-2011
English
15-03-1998
1 Scope
2 Normative references
3 Definitions
4 Equipment
5 Test arrangement
5.1 General arrangement
5.2 Details of test arrangement
5.2.1 Source room
5.2.2 Receiving room
5.2.3 Test floor
5.2.4 Condition of floor surface
5.3 Preparation and installation of test specimen
5.3.1 Classification
5.3.2 Installation
5.3.3 Size and number of specimen
5.4 Influence of temperature and humidity
6 Test procedure and evaluation
6.1 Generation of sound field
6.2 Measurement of impact sound pressure level
6.2.1 Microphone positions
6.2.2 Averaging time
6.3 Frequency range of measurements
6.4 Measurement of reverberation time and evaluation
of the equivalent sound absorption area
6.5 Correction for background noise
6.6 Position of the tapping machine
6.6.1 Adjustment of the tapping machine
6.6.2 Materials of category I
6.6.3 Materials of category II and III
7 Precision
8 Expression of results
9 Test report
Annexes
A Requirements for the tapping machine
B Form for the expression of results
C Bibliography
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