ASTM E492 - 25
Standard Test Method for Laboratory Measurement of Impact Sound Transmission Through Floor-Ceiling Assemblies Using the Tapping Machine
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| Fecha edición: |
2025-08-15
En Vigor
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| Idiomas disponibles: | Inglés |
| Keywords: | floor ceiling assemblies; impact sound transmission; tapping machine; |
| Scope: | 1.1 This test method covers the laboratory measurement of impact sound transmission of floor-ceiling assemblies using a standardized tapping machine. It is assumed that the test specimen constitutes the primary sound transmission path into a receiving room located directly below and that a good approximation to a diffuse sound field exists in this room. 1.2 Measurements may be conducted on floor-ceiling assemblies of all kinds, including those with floating-floor or suspended ceiling elements, or both, and floor-ceiling assemblies surfaced with any type of floor-surfacing or floor-covering materials. 1.3 This test method prescribes a uniform procedure for reporting laboratory test data, that is, the normalized one-third octave band sound pressure levels transmitted by the floor-ceiling assembly due to the tapping machine. 1.4 Laboratory Accreditation—The requirements for accrediting a laboratory for performing this test method are given in Annex A2. 1.5 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.7 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. |
| ICS: | 91.120.20 - Acústica en los edificios. Aislamiento acústico |
| CTN: | E33.10 |
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Anulaciones Normas |
Anula a E492 - 22 |
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Otras Relaciones |
Es referenciada por E336 - 25 Es referenciada por E1749 - 18(2025) Es referenciada por E2964 - 21 Es referenciada por C926 - 24 Es referenciada por E2179 - 21 Es referenciada por C842 - 05(2025) Es referenciada por E989 - 21 Es referenciada por E90 - 23 Es referenciada por E3222 - 20a Es referenciada por E3207 - 21 Es referenciada por C844 - 15(2021) Es referenciada por E2235 - 04(2020) Es referenciada por E3091 - 17(2024) Es referenciada por C634 - 22 Es referenciada por C841 - 23 Es referenciada por E2813 - 24 Es referenciada por E966 - 18a Es referenciada por E1007 - 25 |
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