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ASTM C634-08

(Terminology)

Standard Terminology Relating to Building and Environmental Acoustics

Standard Terminology Relating to Building and Environmental Acoustics

SCOPE
1.1 This terminology covers terms and definitions related to environmental acoustics. Only definitions common to two or more standards under the jurisdiction of Committee E33 are listed here. The purpose of this terminology is to promote uniformity of key definitions. Definitions pertinent to only one standard and exceptions to the definitions listed below are contained in the individual standards and should be used when following those standards.

General Information

Status
Historical
Publication Date
14-Mar-2008
ICS
01.040.91 - Construction materials and building (Vocabularies)
91.120.20 - Acoustics in building. Sound insulation
Technical Committee
E33 - Building and Environmental Acoustics
Drafting Committee
E33.07 - Definitions and Editorial
Current Stage
Ref Project

Relations

Replaces
ASTM C634-02e1 - Standard Terminology Relating to Building and Environmental Acoustics
Effective Date
15-Mar-2008
Replaced By
ASTM C634-08a - Standard Terminology Relating to Building and Environmental Acoustics
Effective Date
01-Sep-2008
Referred By
ASTM E2611-19 - Standard Test Method for Normal Incidence Determination of Porous Material Acoustical Properties Based on the Transfer Matrix Method
Effective Date
15-Mar-2008
Referred By
ASTM E3222-20a - Standard Classification for Determination of High-frequency Impact Sound Ratings
Effective Date
15-Mar-2008
Referred By
ASTM E1425-14(2023) - Standard Practice for Determining the Acoustical Performance of Windows, Doors, Skylight, and Glazed Wall Systems
Effective Date
15-Mar-2008
Referred By
ASTM E2963-22 - Standard Test Method for Laboratory Measurement of Acoustical Effectiveness of Ship Noise Treatments Laboratory Measurement of Acoustical Effectiveness for Marine Bulkhead and Deck Treatments
Effective Date
15-Mar-2008
Referred By
ASTM E413-22 - Classification for Rating Sound Insulation
Effective Date
15-Mar-2008
Referred By
ASTM E1179-13(2019) - Standard Specification for Sound Sources Used for Testing Open Office Components and Systems
Effective Date
15-Mar-2008
Referred By
ASTM C1534-22 - Standard Specification for Flexible Polymeric Foam Sheet Insulation Used as a Thermal and Sound Absorbing Liner for Duct Systems
Effective Date
15-Mar-2008
Referred By
ASTM E2249-19 - Standard Test Method for Laboratory Measurement of Airborne Transmission Loss of Building Partitions and Elements Using Sound Intensity
Effective Date
15-Mar-2008
Referred By
ASTM F1334-18 - Standard Test Method for Determining A-Weighted Sound Power Level of Vacuum Cleaners
Effective Date
15-Mar-2008
Referred By
ASTM E1123-86(2023) - Standard Practices for Mounting Test Specimens for Sound Transmission Loss Testing of Naval and Marine Ship Bulkhead Treatment Materials
Effective Date
15-Mar-2008
Referred By
ASTM C384-04(2022) - Standard Test Method for Impedance and Absorption of Acoustical Materials by Impedance Tube Method
Effective Date
15-Mar-2008
Referred By
ASTM E1042-22 - Standard Classification for Acoustically Absorptive Materials Applied by Trowel or Spray
Effective Date
15-Mar-2008
Referred By
ASTM C635/C635M-22 - Standard Specification for Manufacture, Performance, and Testing of Metal Suspension Systems for Acoustical Tile and Lay-in Panel Ceilings
Effective Date
15-Mar-2008

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Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:C634–08
Standard Terminology Relating to
1
Building and Environmental Acoustics
This standard is issued under the fixed designation C634; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
INTRODUCTION
In some of the entries, those that are measures of physical quantities, the term is followed by three
items: symbol, dimensions, and unit. The symbol, in italics, stands for the magnitude of the quantity
in mathematical expressions. The dimensions of a quantity express its measure in terms of three
fundamental quantities: M for mass, L for length, and T for time. Speed, for instance, is the quotient
obtained when the distance an object moves is divided by the time involved. The dimensions are
−1
[LT ], the negative exponent indicating division. The unit is consistently in SI, Le Système
International d’Unités.Those still using the cgs (centimetre-gram-second) or the inchpound system of
units are referred for most of the conversion factors to IEEE/ASTM SI 10.Afew conversion factors
are listed in Section 4 of this terminology.
Thedimensionsofaquantityarethesameregardlessoftheunitsinwhichthequantityismeasured.
−1
Speed has the dimensions [LT ] whether it is measured in miles per hour, feet per second, or metres
per second. Quantities with different dimensions are not the same. Flow resistance and specific flow
resistance, for instance, are quantities of different kinds even though the names are similar. On the
other hand, quantities with the same dimensions are not necessarily of the same kind. Sound energy
−1 −2
density, for instance, has the same dimensions as sound pressure, [ML T ], but it is not a kind of
2
sound pressure. Nor is absorption with the dimensions [L ] a kind of area.
1. Scope C 384 Test Method for Impedance and Absorption of
Acoustical Materials by Impedance Tube Method
1.1 This terminology covers terms and definitions related to
C522 Test Method for Airflow Resistance of Acoustical
environmental acoustics. Only definitions common to two or
Materials
more standards under the jurisdiction of Committee E33 are
C635 Specification for the Manufacture, Performance, and
listed here. The purpose of this terminology is to promote
Testing of Metal Suspension Systems for Acoustical Tile
uniformity of key definitions. Definitions pertinent to only one
and Lay-in Panel Ceilings
standard and exceptions to the definitions listed below are
C636 Practice for Installation of Metal Ceiling Suspension
contained in the individual standards and should be used when
Systems for Acoustical Tile and Lay-In Panels
following those standards.
C667 Specification for Prefabricated Reflective Insulation
2. Referenced Documents Systems for Equipment and Pipe Operating at Tempera-
2
tures above Ambient Air
2.1 ASTM Standards:
C871 Test Methods for Chemical Analysis of Thermal
C423 Test Method for Sound Absorption and Sound Ab-
Insulation Materials for Leachable Chloride, Fluoride,
sorption Coefficients by the Reverberation Room Method
Silicate, and Sodium Ions
C367 TestMethodsforStrengthPropertiesofPrefabricated
E90 Test Method for Laboratory Measurement ofAirborne
Architectural Acoustical Tile or Lay-In Ceiling Panels
Sound Transmission Loss of Building Partitions and Ele-
ments
E336 Test Method for Measurement of Airborne Sound
1
This terminology is under the jurisdiction of ASTM Committee E33 on
Attenuation between Rooms in Buildings
Building and Environmental Acoustics and is the direct responsibility of Subcom-
E413 Classification for Rating Sound Insulation
mittee E33.07 on Definitions and Editorial.
E477 Test Method for Measuring Acoustical and Airflow
Current edition approved March 15, 2008. Published April 2008. Originally
e1
approved in 1969. Last previous edition approved in 2002 as C634–02 .
Performance of Duct Liner Materials and Prefabricated
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Silencers
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
E492 Test Method for Laboratory Measurement of Impact
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. Sound Transmission Through Floor-Ceiling Assemblies
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
C634–08
Using the Tapping Machine E1408 Test Method for Laboratory Measurement of the
E497 Practice for Installing Sound-Isolating Lightweight Sound Transmission Loss of Door Panels and Door Sys-
3
tems
Partitions
E1414 Test Method for Airborne
...

This document is not anASTM standard and is intended only to provide the user of anASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
e1
Designation:C634–02 Designation:C634–08
Standard Terminology Relating to
1
Building and Environmental Acoustics
This standard is issued under the fixed designation C634; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1
e NOTE—The title was editorially updated in June 2007.
INTRODUCTION
In some of the entries, those that are measures of physical quantities, the term is followed by three
items: symbol, dimensions, and unit. The symbol, in italics, stands for the magnitude of the quantity
in mathematical expressions. The dimensions of a quantity express its measure in terms of three
fundamental quantities: M for mass, L for length, and T for time. Speed, for instance, is the quotient
obtained when the distance an object moves is divided by the time involved. The dimensions are
−1
[LT ], the negative exponent indicating division. The unit is consistently in SI, Le Système
International d’Unités.Those still using the cgs (centimetre-gram-second) or the inchpound system of
units are referred for most of the conversion factors to Practice E380IEEE/ ASTM SI 10. A few
conversion factors are listed in Section 4 of this terminology.
Thedimensionsofaquantityarethesameregardlessoftheunitsinwhichthequantityismeasured.
−1
Speed has the dimensions [LT ] whether it is measured in miles per hour, feet per second, or metres
per second. Quantities with different dimensions are not the same. Flow resistance and specific flow
resistance, for instance, are quantities of different kinds even though the names are similar. On the
other hand, quantities with the same dimensions are not necessarily of the same kind. Sound energy
−1 −2
density, for instance, has the same dimensions as sound pressure, [ML T ], but it is not a kind of
2
sound pressure. Nor is absorption with the dimensions [L ] a kind of area.
1. Scope
1.1 This terminology covers terms and definitions related to environmental acoustics. Only definitions common to two or more
standardsunderthejurisdictionofCommitteeE33arelistedhere.Thepurposeofthisterminologyistopromoteuniformityofkey
definitions. Definitions pertinent to only one standard and exceptions to the definitions listed below are contained in the individual
standards and should be used when following those standards.
2. Referenced Documents
2
2.1 ASTM Standards:
C423 Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method
C367 Test Methods for Strength Properties of Prefabricated Architectural Acoustical Tile or Lay-In Ceiling Panels
C384 Test Method for Impedance and Absorption of Acoustical Materials by Impedance Tube Method
C522 Test Method for Airflow Resistance of Acoustical Materials
C635 SpecificationfortheManufacture,Performance,andTestingofMetalSuspensionSystemsforAcousticalTileandLay-in
Panel Ceilings
C636 Practice for Installation of Metal Ceiling Suspension Systems for Acoustical Tile and Lay-In Panels
C667 Specification for Prefabricated Reflective Insulation Systems for Equipment and Pipe Operating at Temperatures above
Ambient Air
C871 Test Methods for Chemical Analysis of Thermal Insulation Materials for Leachable Chloride, Fluoride, Silicate, and
Sodium Ions
1
This terminology is under the jurisdiction ofASTM Committee E33 on Building and EnvironmentalAcoustics and is the direct responsibility of Subcommittee E33.07
on Definitions and Editorial.
Current edition approved April 10, 2002. Published June 2002. Originally approved in 1969. Last previous edition approved i n 2001 as C634–01.
e1
Current edition approved March 15, 2008. Published April 2008. Originally approved in 1969. Last previous edition approved in 2002 as C634–02 .
2
ForreferencedASTMstandards,visittheASTMwebsite,www.astm.org,orcontactASTMCustomerServiceatservice@astm.org.For Annual Book ofASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
C634–08
E90 Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions and Elements
E336 Test Method for Measurement of Airborne Sound Attenuation between Rooms in Buildings
E413 Classification for Rating Sound Insulation
...

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SIGNIFICANCE AND USE
3.1 Definitions—Terms and related definitions given in Section 4 are intended for use uniformly and consistently in all building and environmental acoustic test standards in which they appear.  
3.2 Definitions of Terms Specific to Each Standard:  
3.2.1 As indicated in Section 4, terms and their definitions are intended to provide a precise understanding and interpretation of the building and environmental acoustic test standards in which they appear.  
3.2.2 A specific definition of a given term is applicable to the standard or standards in which the term is described and used.  
3.2.3 Different definitions of the same term are acceptable provided each one is consistent with and is not in conflict with the standard definition for the same term, that is, the general concept the term describes.  
3.2.4 If a standard under the jurisdiction of ASTM Committee E33 specially defines a term, i.e. provides a definition different in any way from what is given in Section 4 of Terminology C634, that standard shall list the term and its description under the subheading, Definitions of Terms Specific to This Standard.
3.2.4.1 Discussion—The mandatory language of section 3.2.4 is consistent with the mandatory language from §E2 of Form and Style for ASTM Standards (April 2020) and with the ASTM Committee E33 bylaws in place when this standard was published; it reflects a situation that exists, it does not prescribe anything.  
3.3 Definitions for some terms associated with building and environmental acoustic issues and not included in Terminology C634 are found in ISO/TR 25417 or IEEE P260.4. When discrepancies exist, the definition in Terminology C634 shall prevail.
SCOPE
1.1 This terminology covers terms, related definitions, and descriptions of terms used or likely to be used in building and environmental acoustics standards. Definitions of terms are special-purpose definitions that are consistent with the standard definitions but are written to ensure that a specific building and environmental acoustics standard is properly understood and precisely interpreted. The primary focus of this document is upon terms, definitions and descriptions found within standards under the jurisdiction of ASTM Committee E33; however, terms, definitions and descriptions that are of general interest to the field of acoustics are also included.  
1.2 This building and environmental acoustics standard cannot be used to provide quantitative measures.  
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SIGNIFICANCE AND USE
3.1 Definitions—Terms and related definitions given in Section 4 are intended for use uniformly and consistently in all building and environmental acoustic test standards in which they appear.  
3.2 Definitions of Terms Specific to Each Standard:  
3.2.1 As indicated in Section 4, terms and their definitions are intended to provide a precise understanding and interpretation of the building and environmental acoustic test standards in which they appear.  
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3.2.4.1 Discussion—The mandatory language of section 3.2.4 is consistent with the mandatory language from §E2 of Form and Style for ASTM Standards (April 2020) and with the ASTM Committee E33 bylaws in place when this standard was published; it reflects a situation that exists, it does not prescribe anything.  
3.3 Definitions for some terms associated with building and environmental acoustic issues and not included in Terminology C634 are found in ISO/TR 25417 or IEEE P260.4. When discrepancies exist, the definition in Terminology C634 shall prevail.
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SIGNIFICANCE AND USE
5.1 This test method can be used to determine whether the amount of draindown measured for a given asphalt mixture is within specified acceptable levels. The test provides an evaluation of the draindown potential of an asphalt mixture during mixture design and/or during field production. This test is primarily used for mixtures with high coarse aggregate content such as porous asphalt (open-graded friction course) and stone matrix asphalt (SMA).
Note 1: The quality of the results produced by this standard are dependent on the competence of the personnel performing the procedure and the capability, calibration, and maintenance of the equipment used. Agencies that meet the criteria of Specification D3666 are generally considered capable of competent and objective testing, sampling, inspection, etc. Users of this standard are cautioned that compliance with Specification D3666 alone does not completely ensure reliable results. Reliable results depend on many factors; following the suggestions of Specification D3666 or some similar acceptable guideline provides a means of evaluating and controlling some of those factors.
SCOPE
1.1 This test method covers the determination of the amount of draindown in an uncompacted asphalt mixture sample when the sample is held at elevated temperatures comparable to those encountered during the production, storage, transport, and placement of the mixture. The test is particularly applicable to mixtures such as porous asphalt (open-graded friction course) and stone matrix asphalt (SMA).  
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.  
1.3 The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.  
1.4 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.  
1.5 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.

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ASTM
ASTM B472-23(Specification)
Standard Specification for Nickel Alloy Billets and Bars for Reforging

ABSTRACT
This specification covers UNS N06002, UNS N06030, UNS N06035, UNS N06022, UNS N06200, UNS N06230, UNS N06600, UNS N06617, UNS N06625, UNS N08020, UNS N08026, UNS N08024, UNS N08120, UNS N08926, UNS N08367, UNS N10242, UNS N10276, UNS N10665, UNS N10675, UNS N12160, UNS R20033, UNS N06059, UNS N06686, UNS N10629, UNS N08031, UNS N06045, UNS N06025, and UNS R30556 nickel alloy billets and bars for reforging. The products shall be hot worked from ingots by rolling, forging, extruding, hammering, or pressing. The material shall conform to the chemical composition requirements prescribed by the reference material. The chemical composition of the material shall be determined by chemical analysis in accordance with test method E1473.
SCOPE
1.1 This specification covers UNS N06002, UNS N06030, UNS N06035, UNS N06022, UNS N06200, UNS N10362, UNS N06230, UNS N06600, UNS N06617, UNS N06625, UNS N08020, UNS N08026, UNS N08024, UNS N08120, UNS N08926, UNS N08367, UNS N10242, UNS N10276, UNS N10665, UNS N10675, UNS N12160, UNS R20033, UNS N06059, UNS N06686, UNS N10629, UNS N08031, UNS N06045, UNS N06025, UNS N06699, and UNS R305562 billets and bars for reforging.  
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.  
1.3 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 become familiar with all hazards including those identified in the appropriate Safety Data Sheet (SDS) for this product/material as provided by the manufacturer, to establish appropriate safety, health, and environmental practices, and determine the applicability of regulatory limitations prior to use.  
1.4 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.

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  • Technical specification
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