ASTM-D7405 Standard Test Method for Multiple Stress Creep and Recovery (MSCR) of Asphalt Binder Using a Dynamic Shear Rheometer

ASTM-D7405 - 2015 EDITION - CURRENT
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Standard Test Method for Multiple Stress Creep and Recovery (MSCR) of Asphalt Binder Using a Dynamic Shear Rheometer
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Scope

1.1 This test method covers the determination of percent recovery and non-recoverable creep compliance of asphalt binders by means of Multiple Stress Creep and Recovery (MSCR) testing. The MSCR test is conducted using the Dynamic Shear Rheometer (DSR) at a specified temperature.

1.2 This standard is appropriate for unaged material, material aged in accordance with Test Method D2872 (RTFO), material aged in accordance with Practice D6521 (PAV), and material aged in accordance with both Test Method D2872 and Practice D6521.

Note 1: The majority of development work on this test method was performed on material aged in accordance with Test Method D2872 (RTFO).

1.3 The percent recovery is intended to provide a means to determine the presence of elastic response and stress dependence of polymer modified and unmodified asphalt binders.

1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.5 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 and health practices and determine the applicability of regulatory limitations prior to use.

Keywords

asphalt binder; creep and recovery; DSR; dynamic shear rheometer; elastic recovery; MSCR; non-recoverable creep compliance; polymer modified asphalt;; ICS Number Code 91.100.50 (Binders. Sealing materials)

To find similar documents by ASTM Volume:

04.03 (Road and Paving Materials; Vehicle-Pavement Systems)

To find similar documents by classification:

91.100.50 (Binders. Sealing materials Including geomembranes, asphalts for buildings, etc.)

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Document Number

ASTM-D7405-15

Revision Level

2015 EDITION

Status

Current

Modification Type

Revision

Publication Date

Jan. 1, 2016

Document Type

Test Method

Page Count

4 pages

Committee Number

D04.44