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ASTM C634-02e1

(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
09-Apr-2002
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 C634-02 - Standard Terminology Relating to Environmental Acoustics
Effective Date
10-Apr-2002
Replaced By
ASTM C634-08 - Standard Terminology Relating to Building and Environmental Acoustics
Effective Date
15-Mar-2008
Referred By
ASTM E1780-12(2021) - Standard Guide for Measuring Outdoor Sound Received from a Nearby Fixed Source
Effective Date
10-Apr-2002
Referred By
ASTM E1111/E1111M-14(2022) - Standard Test Method for Measuring the Interzone Attenuation of Open Office Components
Effective Date
10-Apr-2002
Referred By
ASTM E1425-14(2023) - Standard Practice for Determining the Acoustical Performance of Windows, Doors, Skylight, and Glazed Wall Systems
Effective Date
10-Apr-2002
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
10-Apr-2002
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
10-Apr-2002
Referred By
ASTM E90-09(2016) - Standard Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions and Elements
Effective Date
10-Apr-2002
Referred By
ASTM F2154-13(2019) - Standard Specification for Sound-Absorbing Board, Fibrous Glass, Perforated Fibrous Glass Cloth Faced
Effective Date
10-Apr-2002
Referred By
ASTM E1574-98(2023) - Standard Test Method for Measurement of Sound in Residential Spaces
Effective Date
10-Apr-2002
Referred By
ASTM E966-18a - Standard Guide for Field Measurements of Airborne Sound Attenuation of Building Facades and Facade Elements
Effective Date
10-Apr-2002
Referred By
ASTM E1124-10(2016) - Standard Test Method for Field Measurement of Sound Power Level by the Two-Surface Method
Effective Date
10-Apr-2002
Referred By
ASTM E492-22 - Standard Test Method for Laboratory Measurement of Impact Sound Transmission Through Floor-Ceiling Assemblies Using the Tapping Machine
Effective Date
10-Apr-2002
Referred By
ASTM E1289-08(2022) - Standard Specification for Reference Specimen for Sound Transmission Loss
Effective Date
10-Apr-2002
Referred By
ASTM E1414/E1414M-21a - Standard Test Method for Airborne Sound Attenuation Between Rooms Sharing a Common Ceiling Plenum
Effective Date
10-Apr-2002

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ASTM C634-02e1 - Standard Terminology Relating to Building and Environmental AcousticsASTM C634-02e1 - Standard Terminology Relating to Building and Environmental Acoustics
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ASTM C634-02e1 - Standard Terminology Relating to Building and Environmental Acoustics
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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
e1
Designation:C634–02
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 E380. 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 Sound Transmission Loss of Building Partitions and Ele-
ments
1.1 This terminology covers terms and definitions related to
E336 Test Method for Measurement of Airborne Sound
environmental acoustics. Only definitions common to two or
Attenuation between Rooms in Buildings
more standards under the jurisdiction of Committee E33 are
E413 Classification for Rating Sound Insulation
listed here. The purpose of this terminology is to promote
E492 Test Method for Laboratory Measurement of Impact
uniformity of key definitions. Definitions pertinent to only one
Sound Transmission Through Floor-Ceiling Assemblies
standard and exceptions to the definitions listed below are
Using the Tapping Machine
contained in the individual standards and should be used when
IEEE/ ASTM SI 10 Standard for Use of the International
following those standards.
System of Units (SI): The Modern Metric System
2. Referenced Documents 2.2 ANSI Standard:
3
2
ANSI S1.4 Specification for Sound Level Meters
2.1 ASTM Standards:
ANSI S1.6 Preferred Frequencies, Frequency Levels, and
C423 Test Method for Sound Absorption and Sound Ab-
Band Numbers for Acoustical Measurements
sorption Coefficients by the Reverberation Room Method
ANSIS1.11 Octave-BandandFractionalOctave-BandAna-
E90 Test Method for Laboratory Measurement ofAirborne
log and Digital Filters, Specifications for
3. Terminology
1
This terminology is under the jurisdiction of ASTM Committee E33 on
Building and Environmental Acoustics and is the direct responsibility of Subcom- 3.1 If the term sought by the user cannot be found in 3.2,it
mittee E33.07 on Definitions and Editorial.
may be found in 4.1.
Current edition approved April 10, 2002. Published June 2002. Originally
3.2 Terms and Definitions:
approved in 1969. Last previous edition approved i n 2001 as C634–01.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
3
Standards volume information, refer to the standard’s Document Summary page on Available fromAmerican National Standards Institute (ANSI), 25 W. 43rd St.,
the ASTM website. 4th Floor, New York, NY 10036, http://www.ansi.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
e1
C634–02
−4 −1
acoustic impedance, Z [ R + jX; [ML T ]; mks acoustic ¯
L = average sound pressure level, dB,
p
3
ohm (Pa·s/m )—of a surface, for a given frequency, the
n = number of individual sound pressure levels,
complex quotient obtained when the sound pressure aver-
p = rmspressureatanindividualpositionortime,orboth,
i
aged over the surface is divided by the volume velocity Pa,
through the surface. The real and imaginary components a
...

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ASTM C634-22(Terminology)
Standard Terminology Relating to Building and Environmental Acoustics

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.  
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 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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ASTM C634-22(Terminology)
Standard Terminology Relating to Building and Environmental Acoustics

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.  
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 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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ASTM B637-23(Specification)
Standard Specification for Precipitation-Hardening and Cold Worked Nickel Alloy Bars, Forgings, and Forging Stock for Moderate or High Temperature Service

ABSTRACT
This specification covers hot- and cold-worked precipitation-hardenable nickel alloy rod, bar, forgings, and forging stock for high-temperature service. Chemical analysis shall be performed on the alloy and shall conform to the chemical composition requirement in carbon, manganese, silicon, phosphorus, sulfur, chromium, cobalt, molybdenum, columbium, tantalum, titanium, aluminum, zirconium, boron, iron, copper, and nickel. The material shall follow recommended annealing treatment, solution treatment, stabilizing treatment, and precipitation hardening treatment. Tension testing, hardness testing and stress-rupture testing shall be performed on the material and shall comply to the required tensile strength, yield strength, elongation, reduction in area, and Brinell hardness.
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1.1 This specification2 covers hot- and cold-worked precipitation-hardenable nickel alloy rod, bar, forgings, and forging stock for moderate or high temperature service (Table 1).  
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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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ASTM C596-23(Test Method)
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SIGNIFICANCE AND USE
4.1 This test method establishes a selected set of conditions of temperature, relative humidity and rate of evaporation of the environment to which a mortar specimen of stated composition shall be subjected for a specified period of time during which its change in length is determined and designated “drying shrinkage.”  
4.2 The drying shrinkage of mortar as determined by this test method has a linear relation to the drying shrinkage of concrete made with the same cement and exposed to the same drying conditions.4 Hence this test method may be used when it is desired to develop data on the effect of a hydraulic cement on the drying shrinkage of concrete made with that cement.
SCOPE
1.1 This test method determines the change in length on drying of mortar bars containing hydraulic cement and graded standard sand.  
1.2 The values stated in SI units are to be regarded as standard. When combined standards are referenced, the selection of measurement system is at the user’s discretion subject to the requirements of the referenced 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 establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Warning—Fresh hydraulic cementitious mixtures are caustic and may cause chemical burns to skin and tissue upon prolonged exposure).2  
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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Standard Guide for Taking Property and Behavior Measurements on Weathered Fractions of Oil

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5.1 A standard procedure is necessary to establish property changes for spilled oils or petroleum products at different oil weathering stages.  
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Standard Guide for Ecological Considerations for the Use of Oil Spill Dispersants in Freshwater and Other Inland Environments, Lakes and Large Water Bodies

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3.1 This guide is meant to aid response teams who may use it during spill response planning and spill events.  
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1.1 This guide covers the use of oil spill dispersants to assist in the control of oil spills. The guide is written with the goal of minimizing the environmental impacts of oil spills; this goal is the basis on which the recommendations are made. Aesthetic and socioeconomic factors are not considered, although these and other factors are often important in spill response.  
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1.4 The guide is organized by habitat type, for example, small ponds and lakes, rivers and streams, and land. It considers the use of dispersants primarily to protect habitats from impact (or to minimize impacts).  
1.5 This guide applies only to freshwater and other inland environments. It does not consider the direct application of dispersants to subsurface waters.  
1.6 In making dispersant use decisions, appropriate government authorities should be consulted as required by law.  
1.7 This guide does not address getting regulatory approval.  
1.8 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.  
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1.1 This specification covers preformed expansion joint fillers made from closed-cell polypropylene foam materials having suitable compressibility, recovery from compression, nonextruding, and weather-resistant characteristics.  
1.1.1 Type I, closed-cell polypropylene foam.  
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1.3 The values stated in inch-pound units are to be regarded as the standard.  
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ASTM D6390-23(Test Method)
Standard Test Method for Determination of Draindown Characteristics in Uncompacted Asphalt Mixtures

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.  
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ASTM D545-23(Test Method)
Standard Test Methods for Preformed Expansion Joint Fillers for Concrete Construction (Nonextruding and Resilient Types)

SIGNIFICANCE AND USE
3.1 The compression resistance perpendicular to the faces, the resistance to the extrusion during compression, and the ability to recover after release of the load are indicative of a joint filler's ability to continuously fill a concrete expansion joint and thereby prevent damage that might otherwise occur during thermal expansion. The asphalt content is a measure of the fiber-type joint filler's durability and life expectancy. In the case of cork-type fillers, the resistance to water absorption and resistance to boiling hydrochloric acid are relative measures of durability and life expectancy.
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SCOPE
1.1 These test methods cover the physical properties associated with preformed expansion joint fillers. The test methods include:    
Property  
Section  
Expansion in Boiling Water  
7.1  
Recovery and Compression  
7.2  
Extrusion  
7.3  
Boiling in Hydrochloric Acid  
7.4  
Asphalt Content  
7.5  
Water Absorption  
7.6  
Density  
7.7
Note 1: Specific test methods are applicable only to certain types of joint fillers, as stated herein.  
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 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.  
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ASTM D517-23(Specification)
Standard Specification for Asphalt Plank

ABSTRACT
This specification covers asphalt plank used for bridge decks as well as for industrial floors. Asphalt planks shall be classified according to usage: Type Ia; Type Ib; and Type II. Asphalt plank shall be formed from a mixture of asphalt, fibers, modifiers, or a combination thereof, and mineral filler in such a manner as to produce a uniformly dense mass. The following test methods shall be intended to measure those attributes necessary to measure the ability of asphalt plank to provide a reasonably long and satisfactory service: absorption; brittleness; dimensions; and hardness.
SCOPE
1.1 This specification covers asphalt plank used for bridge decks as well as for industrial floors.  
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.  
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 establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
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