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Scope

1.1 This standard practice covers the mix design of open-graded friction course (OGFC) using the superpave gyratory compactor (SGC) or other suitable forms of compaction. The OGFC mix design is based on the volumetric properties of the mix in terms of air voids, and the presence of stone-on-stone contact. Information found in Guide D 6932 should be reviewed before starting the mix design. Where applicable, Specification D 3666 should be applied as a minimum for agencies testing and inspecting road and paving materials.

1.2 The values stated in SI units are to be regarded as standard. The inch-pound units 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 and health practices and determine the applicability of regulatory limitations prior to use.

Significance and Use

The procedure described in this practice is used to design OGFC mixtures that will provide good performance in terms of permeability (tending to reduce hydroplaning and potential for skidding), and durability when subjected to high volumes of traffic.

Keywords

bituminous paving mixtures; mix design; open-graded friction course; surface treatments; ICS Number Code 93.080.20 (Road construction materials)

To find similar documents by ASTM Volume:

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

To find similar documents by classification:

93.080.20 (Road construction materials Including asphalts, road pavements, etc.)

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