ASTM D5505-14 (2020) pdf free

04-12-2021 comment

ASTM D5505-14 (2020) pdf free.Standard Practice for Classifying Emulsified Recycling Agents.
This practice identifies emulsified petroleum productsthat may be used as recycling agents in recycled mixes. Thesematerials are classified by viscosity or by low temperaturepenetration after aging.This practice addresses emulsified materials designedspecifically for use in recycling.The use of emulsified mate-rials for recycling shall not be limited to this practice. Forinstance,the emulsified asphalts specified in SpecificationsD977 and D2397/D2397M may be used.The values stated in Sl units are to be regarded asstandard. No other units of measurement are included in thisstandard.
This standard does not purport to address all of thesafety concerns,if any, associated with its use. It is theresponsibility of the user of this standard to establish appropriate safety,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.1.5 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom mendations issued by the World Trade Organization TechnicalBarriers to Trade (TBT) Committee.Recycling of deteriorated asphalt pavements is beingused as a routine method of maintenance and rehabilitation.Utilization of existing materials as the major component of thisprocedure may yield benefits in quality, economy, and preser-vation of natural resources. Recycling takes many forms: hot,cold, insitu,central plant,and surface.This practice may beused for various recycling methods.
This practice describes emulsified recycling (ER) agentsas belonging to three groups: ER-1,ER-2, and ER-3 as shownin Table 1.The range of recycling methods demands severalemulsified recycling agents.The groups should provide ad-equate freedom of selection for most recycling methods.3.2.1ER-1 is a material whose main function is to rejuve-nate aged asphalt.The material is a petroleum derivative, andhighly compatible with asphalts. It is classified by viscosity.3.2.2 ER-2 and ER-3 are materials that combine rejuvena-tors and asphalt components in one emulsified asphalt.Thesesoft residues are classified by low temperature penetration afteraging.They are typically used in recycling where there is an increased demand for asphalt as when new aggregates areadded,or where immediate cohesiveness is desired.ASTM D5505 pdf download.

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