Standard Active Last Updated: Dec 20, 2021 Track Document
ASTM D4887/D4887M-11(2021)e1

Standard Practice for Preparation of Viscosity Blends for Hot Recycled Asphalt Materials

Standard Practice for Preparation of Viscosity Blends for Hot Recycled Asphalt Materials D4887_D4887M-11R21E01 ASTM|D4887_D4887M-11R21E01|en-US Standard Practice for Preparation of Viscosity Blends for Hot Recycled Asphalt Materials Standard new BOS Vol. 04.03 Committee D04
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Significance and Use

4.1 A standard procedure for blend preparation is essential to ensure material quality, specification compliance, and procedural uniformity.

Scope

1.1 This practice covers the procedure for preparation of hot recycled bituminous blends for testing in the laboratory. The procedure involves an iterative trial blend process followed by the preparation of batch blends.

1.2 The batch blends can be used for extensive evaluation such as viscosity, penetration, ductility, aging properties (such as Rolling Thin Film Oven or Thin-Film Oven tests, or both (RTFO/TFO)), composition analysis, solubility analysis, and other user-selected tests.

1.3 This practice assumes that a representative reclaimed asphalt pavement (RAP) sample is extracted and the aged binder recovered using Test Methods D2172/D2172M and Test Method D1856 (this practice may be modified by using a rotary evaporator which is extensively evaluated in the minutes of the 18th Pacific Coast Conference on Asphalt Specifications2) or any other acceptable test method.

1.4 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.

1.5 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.

1.6 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.

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Details
Book of Standards Volume: 04.03
Developed by Subcommittee: D04.25
Pages: 5
DOI: 10.1520/D4887_D4887M-11R21E01
ICS Code: 91.100.50; 93.080.20