EN 29052-1:1992

Acoustics - Determination of dynamic stiffness - Part 1: Materials used under floating floors in dwellings

Relates to the unit area of resilient materials with smooth surfaces. Does not apply to loadings lower than 0,4 kPa or greater than 4 kPa, that is not for materials in wall linings and not for machinery foundations.

Akustik - Bestimmung der dynamischen Steifigkeit - Teil 1: Materialien, die unter schwimmenden Estrichen in Wohngebäuden verwendet werden

Acoustique - Détermination de la raideur dynamique - Partie 1: Matériaux utilisés sous les dalles flottantes dans les bâtiments d'habitation

La présente partie de l'ISO 9052 spécifie la méthode d'essai permettant de déterminer la raideur dynamique des matériaux résilients utilisés sous les dalles flottantes. La raideur dynamique est l'un des paramètres qui déterminent l'isolation acoustique de ces dalles dans les bâtiments d'habitation. La présente partie de l'ISO 9052 s'applique à la détermination de la raideur dynamique par unité de surface de matériaux résilients à surfaces lisses (voir chapitre 6), utilisés en couche continue sous les dalles flottantes, dans les lieux d'habitation. Elle ne s'applique pas à des charges inférieures à 0,4 kPa1), par exemple à des matériaux de revêtements muraux, ou supérieures à 4 kPa1), par exemple à des matériaux situés sous des fondations supportant des machines (voir note 2). Cette partie de l'ISO 9052 est principalement destinée à être utilisée lors de la comparaison d'échantillons de fabrication avec des matériaux similaires de qualité spécifiée conn

Akustika - Ugotavljanje dinamične togosti - 1. del: Materiali, ki se uporabljajo pod plavajočimi podi v bivalnih prostorih (ISO 9052-1:1989)

General Information

• Status: Published
• Publication Date: 29-Jun-1992
• Withdrawal Date: 29-Dec-1992
• ICS: 91.120.20 - Acoustics in building. Sound insulation
• Technical Committee: CEN/TC 126 - Acoustic properties of building products and of buildings
• Drafting Committee: CEN/TC 126 - Acoustic properties of building products and of buildings
• Current Stage: 9093 - Decision to confirm - Review Enquiry
• Start Date: 08-Aug-2006
• Completion Date: 08-Aug-2006
• Directive: 305/2011 - Regulation (eu) No 305/2011 of the European Parliament and of the Council of 9 march 2011 laying down harmonised conditions for the marketing of construction products and repealing council directive 89/106/eec
• Directive: 89/106/EEC - Construction products
• Mandate: M/103 - Mandate to CEN/CENELEC concerning the execution of standardization work for harmonized standards on thermal insulating products
• Ref Project: SIST EN 29052-1:1997 - Acoustics - Determination of dynamic stiffness - Part 1: Materials used under floating floors in dwellings

Overview

EN 29052-1:1992 / ISO 9052-1:1989 specifies a laboratory test method for determining the dynamic stiffness per unit area of resilient materials used under floating floors in dwellings. Dynamic stiffness is a key parameter affecting airborne and impact sound insulation of floating floor constructions. The standard applies to resilient materials with smooth surfaces under static loadings between 0.4 kPa and 4 kPa and is not intended for wall linings (very low loads) or machinery foundations (much higher loads).

Key topics and requirements

• Scope and applicability
  • Tests are for materials used in a continuous layer beneath floating floor screeds in dwellings.
  • Excludes materials under loads <0.4 kPa (e.g., wall linings) or >4 kPa (e.g., machinery foundations).
• Test specimen and preparation
  • At least three square specimens (200 mm × 200 mm).
  • Surfaces considered smooth when surface irregularities < 3 mm.
  • Specimen covered with ~0.02 mm waterproof foil and a ≥5 mm plaster-of-Paris bedding before placing the load plate.
  • Closed-cell specimens require perimeter sealing (petroleum jelly).
• Test arrangement
  • Specimen placed between base (or baseplate) and a steel load plate (200 ±3 mm square).
  • Total static mass on specimen (including equipment) = 8 kg ±0.5 kg.
  • Excitation and measurement must ensure purely vertical motion.
• Measurement methods
  • Resonance method: determine resonant frequency of the spring-and-mass system.
  • Excitation options: sinusoidal (reference method), white noise, or pulse/impact.
  • If resonant frequency depends on excitation amplitude, extrapolate to zero amplitude.
  • Excitation force ranges are given depending on expected stiffness (different ranges for s' above or below 50 MN/m3).
• Airflow resistivity and gas contribution
  • Airflow resistivity r must be measured (ISO 9053).
  • Depending on r, contribution of enclosed gas stiffness is assessed: high r (>100 kPa·s/m2), intermediate (100→10), or low (<10), with guidance on when the gas stiffness must be included.
• Results and reporting
  • Dynamic stiffness values expressed in MN/m3 to the nearest MN/m3.
  • Test report must include material description, specimen dimensions, test arrangement, environmental conditions, resonant frequency and calculated stiffness values.

Applications and users

• Used by acoustic consultants, product test laboratories, floor-system manufacturers, building-material developers and specifiers for:
  • Predicting/validating impact and airborne sound insulation performance of floating floors.
  • Quality control and comparison of resilient underlay materials.
  • Specifying compliant resilient layers in residential floor systems.

Related standards

• ISO 9052-1:1989 (equivalent international text)
• ISO 9053 (airflow resistivity measurement)
• ISO 7626-2 (mechanical mobility / vibration measurement)

Standards Content (Sample)

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Akustik - Bestimmung der dynamischen Steifigkeit - Teil 1: Materialien, die unter schwimmenden Estrichen in Wohngebäuden verwendet werdenAcoustique - Détermination de la raideur dynamique - Partie 1: Matériaux utilisés sous les dalles flottantes dans les bâtiments d'habitationAcoustics - Determination of dynamic stiffness - Part 1: Materials used under floating floors in dwellings91.100.60Thermal and sound insulating materials91.060.30Stropi. Tla. StopniceCeilings. Floors. StairsICS:Ta slovenski standard je istoveten z:EN 29052-1:1992SIST EN 29052-1:1997en01-april-1997SIST EN 29052-1:1997SLOVENSKI
STANDARD
INTERNATIONAL STANDARD IS0 9052-l First edition 1989-02-l 5 Acoustics - Determination of dynamic stiffness - Part 1 I Materials used under floating floors in dwellings Acoustique - D&termination de la raideur dynamique - Partie 7 : Ma tkiaux utilis& sous /es dales flo ttan tes dans /es 6s timen ts d’habita tion Reference number IS0 9052-l : 1989 (E) SIST EN 29052-1:1997

IS0 9052-l : 1989 (E) Foreword IS0 (the International Organization for Standardization) is a worldwide federation of national standards bodies (IS0 member bodies). The work of preparing International Standards is normally carried out through IS0 technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, govern- mental and non-governmental, in liaison with ISO, also take part in the work. IS0 collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. Draft International Standards adopted by the technical committees are circulated to the member bodies for approval before their acceptance as International Standards by the IS0 Council. They are approved in accordance with IS0 procedures requiring at least 75 % approval by the member bodies voting. International Standard IS0 9052-l was prepared by Technical Committee ISO/TC 43, Acoustics. IS0 9052 will consist of the following parts, under the general title Acoustics - Deter- mina tion of dynamic stiffness : - Part 7: Materials used under floating floors in dwellings 0 - Part buildings 2: Materials used for vibration and sound insulation of equipment in International Organization for Standardization, 1989 Printed in Switzerland SIST EN 29052-1:1997

INTERNATIONAL STANDARD IS0 9052-l : 1989 (E) Acoustics - Determination of dynamic stiffness - Part 1: Materials used under floating floors in dwellings 1 Scope This part of IS0 9052 specifies the test method for determining the dynamic stiffness of resilient materials used under floating floors. Dynamic stiffness is one of the parameters that deter- mine the sound insulation of such floors in dwellings. This part of IS0 9052 applies to the determination of dynamic stiffness per unit area of resilient materials with smooth sur- faces (see clause 6) used in a continuous layer under floating floors in dwellings. It does not apply to loadings lower than 0,4 kPal), for example materials in wall linings, or greater than 4 kPa’), for example materials under machinery foundations (see note 2). of the standards indicated below. Members of IEC and IS0 maintain registers of currently valid International Standards. IS0 7626-2 : - 2), Vibration and shock - Experimental deter- mination of mechanical mobility - Part2: Measurements using single-point translation excitation with an attached vibra- tion exciter. IS0 9053 : - 2), Acoustics - Materials for acoustical appli- cations - Determination of aHlow resistance. 3 Definitions This part of IS0 9052 is mainly intended to be used for compar- ing production samples of similar materials of known specified quality. For restrictions concerning the airflow resistivity of the resilient material to be tested, see 8.2. 3.1 dynamic stiffness: The ratio of dynamic force to dynamic displacement. For the purposes of this part of IS0 9052, dynamic stiffness per unit area, s’, is used and is given by the following equation: FIS s’ = - . . . (1) NOTES Ad 1 The dependence of dynamic stiffness on prestatic load is of minor importance in the case of materials usually applied in wall linings, for example polystyrene or mineral fibre. The differences between dynamic stiffness values measured with a static load of 2 kPa in ac- cordance with this part of IS0 9052 and those measured with a very low preload are of the order of 10 % to 20 %. where S is the area of the test specimen; F is the dynamic force acting perpendicularly on the test specimen ; 2 A further part of IS0 9052 will deal with the determination of dynamic stiffness of materials used in technical floating floors (high static load). Ad is the resulting dynamic change in thickness of the resilient material. In this part of IS0 9052, the following quantities are used: 2 Normative references The following standards contain provisions which, through reference in this text, constitute provisions of this part of IS0 9052. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this part of IS0 9052 are encouraged to investigate the possibility of applying the most recent editions - dynamic stiffness per unit area of the material’s struc- ture, s’~; - dynamic stiffness per unit area of enclosed gas (e.g. air), s’~; - apparent dynamic stiffness per unit area of the test specimen, s’~; - the dynamic stiffness per unit area of the installed resilient material, s’. I) 1 Pa = 1 N/m2 2) To be published. 1 SIST EN 29052-1:1997

IS0 9052-l : 1989 (E) 3.2 natural frequency,&: Frequency of free oscillation of a system. For the test set-up shown in figure 1, the inertia of the base shall be such that in vibration its velocity is negligible compared with that of the load plate. The natural frequency of a resiliently supported floor is given by the following equation : For the test arrangements shown in figures 2 and 3, the mass of the baseplate shall be at least 100 kg. 6 Test specimen where At least three square specimens of dimensions 200 mm x 200 mm shall be taken. The surfaces of the test specimens shall be considered to be smooth if the surface irregularities are less than 3 mm. s’ is the dynamic resilient material ; stiffness per unit area of the installed m’ is the mass per unit area of the supported floor. The test specimen shall be covered with a waterproof plastic foil, approximately 0,02 mm thick, on which a thin paste of plaster of Paris and water is applied to a depth of at least 5 mm so that any unevenness is covered. Before the plaster begins to set, the load plate shall be bedded onto it as shown in figur
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