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Norma ASTM D979/D979M-22 1.11.2022 náhled

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ASTM D979/D979M-22

Standard Practice for Sampling Asphalt Mixtures

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NORMA vydána dne 1.11.2022

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Provedení	PDF - okamžité stažení - 1 343.50 Kč PDF + redline - ihned - 1 612.20 Kč Tištěné - 1 343.50 Kč Tisk + redline - 1 612.20 Kč
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Informace o normě:

Označení normy: ASTM D979/D979M-22
Datum vydání normy: 1.11.2022
Kód zboží: NS-1088738
Počet stran: 4
Přibližná hmotnost: 12 g (0.03 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM

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Kategorie - podobné normy:

Technika stavby silnic
Materiály pro stavbu silnic

Anotace textu normy ASTM D979/D979M-22 :

Keywords:

asphalt paving mixture, asphalt mixture, mechanical truck sampling device, sampling,, ICS Number Code 93.080.10 (Road construction),93.080.20 (Road construction materials)

Doplňující informace

Significance and Use

4.1?General:?

4.1.1?Sampling is equally as important as the testing, and the sampler shall take every precaution to obtain samples that will yield an acceptable estimate of the nature and conditions of the materials which they represent.

4.1.2?Samples for the development of preliminary data are obtained by the party responsible for the development of the data. Samples for control of the product at the source of manufacture or storage, or at the site of use, are obtained by the manufacturer, contractor, or other parties responsible for accomplishing the work. Samples for tests to be used in acceptance or rejection decisions by the purchaser are obtained by the purchaser or his authorized representative.

4.1.3?This standard shall not be used for the sampling of compacted asphalt mixtures. Practice D5361/D5361M shall be used.

1. Scope

1.1?This practice covers sampling of asphalt mixtures at points of manufacture, storage, delivery, or in place.

1.2?The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the 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.

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.

2. Referenced Documents

E122-17(2022)	Standard Practice for Calculating Sample Size to Estimate, With Specified Precision, the Average for a Characteristic of a Lot or Process
D5444-23	Standard Test Method for Mechanical Size Analysis of Extracted Aggregate
D6307-19	Standard Test Method for Asphalt Content of Asphalt Mixture by Ignition Method
D6925-23	Standard Test Method for Preparation and Determination of the Relative Density of Asphalt Mix Specimens by Means of the Superpave Gyratory Compactor
E141-10(2023)	Standard Practice for Acceptance of Evidence Based on the Results of Probability Sampling
D2041-03	Standard Test Method for Theoretical Maximum Specific Gravity and Density of Bituminous Paving Mixtures
E105-21	Standard Guide for Probability Sampling of Materials
D6927-22	Standard Test Method for Marshall Stability and Flow of Asphalt Mixtures
D6926-20	Standard Practice for Preparation of Asphalt Mixture Specimens Using Marshall Apparatus
D5361-06	Standard Practice for Sampling Compacted Bituminous Mixtures for Laboratory Testing
D3665-12(2017)	Standard Practice for Random Sampling of Construction Materials
D2234/D2234M-20	Standard Practice for Collection of a Gross Sample of Coal
D2726-11	Standard Test Method for Bulk Specific Gravity and Density of Non-Absorptive Compacted Bituminous Mixtures

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