Standard Historical Last Updated: Dec 31, 2010
ASTM D4552-92(2004)

Standard Practice for Classifying Hot-Mix Recycling Agents

Significance and Use

Recycling of deteriorated asphalt pavements is being used with increasing frequency for its economy and benefit of conserving raw materials. The objective of recycling is to reuse the two ingredients of asphalt concrete-aggregate and asphalt and to restore the desired properties to the mixture. Recycling is carried out hot or cold, depending on the condition of the deteriorated pavement, construction procedure, availability of equipment, and cost. This practice is for classifying recycling agents to be used in hot recycling.

Scope

1.1 This practice covers a standardized method whereby petroleum product additives to be used in hot recycling of asphalt concrete can be identified. The products are classified by viscosity in centistokes measured at 140°F (60°C). This practice does not apply to emulsified materials.

1.2 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.

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Details
Book of Standards Volume: 04.03
Developed by Subcommittee: D04.40
Pages: 2
DOI: 10.1520/D4552-92R04
ICS Code: 93.080.10