ISO 717-2:2013
Acoustics — Rating of sound insulation in buildings and of building elements — Part 2: Impact sound insulation
ISO 717-2:2013: a) defines single-number quantities for impact sound insulation in buildings and of floors; b) gives rules for determining these quantities from the results of measurements carried out in one-third-octave bands in accordance with ISO 10140-3 and ISO 140-7, and in octave bands in accord-ance with that option in ISO 140-7 for field measurements only; c) defines single-number quantities for the impact sound reduction of floor coverings and floating floors calculated from the results of measurements carried out in accordance with ISO 10140-3; d) specifies a procedure for evaluating the weighted reduction in impact sound pressure level by floor coverings on lightweight floors.
The single-number quantities in accordance with ISO 717-2:2013 are intended for rating impact sound insulation and for simplifying the formulation of acoustical requirements in building codes. An additional single-number evaluation in steps of 0,1 dB is indicated for the expression of uncertainty (except for spectrum adaptation terms).The required numerical values of the single-number quantities are specified according to varying needs.
The rating of results from measurements carried out over an enlarged frequency range is described in an annex.
A method for obtaining single-number quantities for bare heavy floors according to their performance in combination with floor coverings is described in a second annex.
An example of the calculation of a single-number quantity is given in a third annex.
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Section sec_1
Section sec_2
Section sec_3
Table tab_1
Table tab_2
Section sec_4
Section sec_4.1
Section sec_4.2
Section sec_4.3
Section sec_4.3.1
Table tab_3
Section sec_4.3.2
Section sec_4.4
Table tab_a
Figure fig_1
Table tab_b
Figure fig_2
Section sec_5
Section sec_5.1
Section sec_5.2
Table tab_4
Section sec_5.3
Section sec_5.4
Section sec_6
Section sec_6.1
Section sec_6.2
Table tab_5
Section sec_6.3
Section sec_6.4
Annex sec_A
Annex sec_A.1
Annex sec_A.2
Annex sec_A.2.1
Annex sec_A.2.2
Annex sec_A.2.3
Annex sec_B
Annex sec_B.1
Annex sec_B.2
Table tab_B.1
Annex sec_B.3
Annex sec_C
Table tab_C.3
Reference ref_1
Reference ref_2
Reference ref_3
Reference ref_4
Reference ref_5
Table tab_C.1
Table tab_C.2
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Procedure for evaluating single-number quantities for impact sound insulation rating
4.1 General
4.2 Reference values
4.3 Method of comparison
4.4 Statement of results
5 Procedure for evaluating the weighted reduction in impact sound pressure level by floor coverings on bare heavy floors
5.1 General
5.2 Reference floor
5.3 Calculation
5.4 Statement of results
6 Procedure for evaluating the weighted reduction in impact sound pressure level by floor coverings on lightweight floors
6.1 General
6.2 Reference curves for the reference lightweight floors used to calculate ΔLt,w
6.3 Calculation
6.4 Statement of results
Annex A (informative) Additional weighting procedure
Annex B (informative) Procedure for evaluating the equivalent weighted normalized impact sound pressure level of bare heavy floors
Annex C (informative) Examples of the evaluation of a single-number quantity
Bibliography
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Section sec_1
Section sec_2
Section sec_3
Table tab_1
Table tab_2
Section sec_4
Section sec_4.1
Section sec_4.2
Section sec_4.3
Section sec_4.3.1
Table tab_3
Section sec_4.3.2
Section sec_4.4
Table tab_a
Figure fig_1
Table tab_b
Figure fig_2
Section sec_5
Section sec_5.1
Section sec_5.2
Table tab_4
Section sec_5.3
Section sec_5.4
Section sec_6
Section sec_6.1
Section sec_6.2
Table tab_5
Section sec_6.3
Section sec_6.4
Annex sec_A
Annex sec_A.1
Annex sec_A.2
Annex sec_A.2.1
Annex sec_A.2.2
Annex sec_A.2.3
Annex sec_B
Annex sec_B.1
Annex sec_B.2
Table tab_B.1
Annex sec_B.3
Annex sec_C
Table tab_C.3
Reference ref_1
Reference ref_2
Reference ref_3
Reference ref_4
Reference ref_5
Table tab_C.1
Table tab_C.2
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Procedure for evaluating single-number quantities for impact sound insulation rating
4.1 General
4.2 Reference values
4.3 Method of comparison
4.4 Statement of results
5 Procedure for evaluating the weighted reduction in impact sound pressure level by floor coverings on bare heavy floors
5.1 General
5.2 Reference floor
5.3 Calculation
5.4 Statement of results
6 Procedure for evaluating the weighted reduction in impact sound pressure level by floor coverings on lightweight floors
6.1 General
6.2 Reference curves for the reference lightweight floors used to calculate ΔLt,w
6.3 Calculation
6.4 Statement of results
Annex A (informative) Additional weighting procedure
Annex B (informative) Procedure for evaluating the equivalent weighted normalized impact sound pressure level of bare heavy floors
Annex C (informative) Examples of the evaluation of a single-number quantity
Bibliography