ASTM-D6931:2012 Edition

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D6931-12 Standard Test Method for Indirect Tensile (IDT) Strength of Bituminous Mixtures

Published By	Publication Date	Number of Pages
ASTM	2012	5

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Categories: 93.080.20 - Road construction materials, ASTM

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Description

ASTM D6931-12

Historical Standard: Standard Test Method for Indirect Tensile (IDT) Strength of Bituminous Mixtures

ASTM D6931

Scope

1.1 This test method covers procedures for preparing and testing laboratory-fabricated or field-recovered cores of bituminous mixtures to determine the Indirect Tensile (IDT) Strength.

1.2 The within-laboratory repeatability standard deviation, for the recommended rate of loading (50 mm/min) and test temperature (25ºC), has been determined to be 80 kPa for 101.6 mm diameter specimens, based on 28 labs using either 2 or 4 test replicates with 11 different mix samples. Additional data is provided in Table 1 for the user’s information. The between-laboratory reproducibility of this test method is being determined and will be available on or before August 2012. Therefore, this test method should not be used for acceptance or rejection of materials for purchasing purposes.

1.3 The values stated in SI units are to be regarded as 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 and health practices and determine the applicability of regulatory limitations prior to use.

^A R. M. Anderson and R. B. McGennis, “Ruggedness Evaluation of AASHTO TP7 and TP9,” Phase I, FHWA HIPT (Task J), Federal Highway Administration, November 1998.

^B W. Christensen and R. F. Bonaquist, “Evaluation of Indirect Tensile Test (IDT) Procedures for Low-Temperature Performance of Hot Mix Asphalt,” NCHRP Report 530.

^C Solaimanian and T. W. Kennedy, “Precision of the Moisture Susceptibility Test Method TEX-531-C,” Project Summary Report 4909-S, November 2000.

Keywords

asphalt mixture; bituminous mixture; indirect tensile strength; IDT; Bituminous materials/applications; IDT (indirect tensile strength); Indirect tensile strength (IDT); Tensile strength

ICS Code

ICS Number Code 93.080.20 (Road construction materials)

DOI: 10.1520/D6931-12

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Summary of Test Method Significance and Use
2	Apparatus Specimens
3	Procedure FIG. 1
4	Calculation FIG. 2
5	Report Precision and Bias Keywords

Additional information


Test Method D4867/D4867M (dry or conditioned)	2
Moisture-conditioned
N CHRP Report 530B	3
(9 labs; 3 aggregate types; 2 binders)
Anderson and McGennisA	3
(nom max size: 9.5 mm to 25 mm)
Suggested Single Lab Precision
(19 labs; 5 mixtures)
Solaimanian and KennedyCdry	4
(4 aggregate types; 4 binders)	2
ICS Codes	93.080.20 - Road construction materials