1、Designation:D637215Standard Practice forDesign,Testing,and Construction of Microsurfacing1This standard is issued under the fixed designation D6372;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in
2、 parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This practice covers the design,testing,and constructionof mixtures of polymer modified asphalt emulsion,mineralaggregate,mineral filler,water,and o
3、ther additives,properlyproportioned,mixed and spread on a paved surface.It iswritten as a guide and should be used as such.End usespecifications should be adapted to conform to job and userrequirements.NOTE1This practice references test methods outside the jurisdictionof ASTM that may or may not hav
4、e a precision statement.1.2 The values stated in SI units are to be regarded as thestandard.1.3 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 appro-priate safety and health practice
5、s and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2C88 Test Method for Soundness of Aggregates by Use ofSodium Sulfate or Magnesium SulfateC131 Test Method for Resistance to Degradation of Small-Size Coarse Aggregate by Abrasion and Im
6、pact in the LosAngeles MachineD2397 Specification for Cationic Emulsified AsphaltD2419 Test Method for Sand Equivalent Value of Soils andFine AggregateD3910 Practices for Design,Testing,and Construction ofSlurry SealE145 Specification for Gravity-Convection and Forced-Ventilation Ovens2.2 ISSA Docum
7、ents:ISSA Technical Bulletin No.100,Test Method for Wet TrackAbrasion of Slurry Surfaces3ISSA Technical Bulletin No.109,Test Method for Measure-ment of ExcessAsphalt in Bituminous Mixtures by Use ofa Loaded Wheel Tester and Sand AdhesionISSA Technical Bulletin No.139,Test Method to ClassifyEmulsifie
8、d Asphalt/Aggregate Mixture Systems by Modi-fied Cohesion Tester,Measurement of Set and CureCharacteristics3ISSA A143 Revised May 2003 Recommended PerformanceGuidelines For Micro-Surfacing3ISSA Technical Bulletin No.144,Test Method for Classifi-cation of Aggregate FillerBitumen Compatability bySchul
9、tze-Breuer and Ruck ProceduresISSA Technical Bulletin No.147,Test Methods for Mea-surements of Stability and Resistance to Compaction,Vertical and Lateral Displacement of Multilayered FineAggregate Cold Mixes33.Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 polymer modified emul
10、sified asphalt micro surfacingmixturesas related to this practice,mixtures of fine aggregatewith mineral filler,mixing water,and field control additive,uniformly mixed with polymer modified emulsified asphalt.4.Summary of Practice4.1 This practice outlines the basic properties for materials,mix desi
11、gn procedures,and application techniques for thedesign and application of microsurfacing.The mix developedthrough this practice should be capable of being spread invariable thick cross sections,which after curing and initialtraffic consolidation,resist compaction through the entiredesign tolerance r
12、ange of bitumen content and variable thick-ness to be encountered.The end product should maintain a highfriction surface and variable thick sections throughout itssurface life.The mix should be a quick traffic system andshould be able to accept rolling traffic on a 12.7 mm thicksurface within 1 h af
13、ter placement in 24C temperature and50%or less humidity.1This practice is under the jurisdiction of ASTM Committee D04 on Road andPaving Materials and is the direct responsibility of Subcommittee D04.24 onAsphalt Surface Treatments.Current edition approved June 15,2015.Published August 2015.Original
14、lyapproved in 1999.Last previous edition approved in 2010 as D6372 05(2010).DOI:10.1520/D6372-15.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document S
15、ummary page onthe ASTM website.3Available from International Slurry Surfacing Association,3 Church Circle,PMB 250,Annapolis,MD 21401.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 5.Significance and Use5.1 This microsurfacing practice is
16、 written as a guide andshould not be construed as a specification.End use specifica-tions should be adapted to conform to job and user require-ments.6.Design6.1 AggregatesThe aggregate shall be a manufacturedcrushed stone such as granite,slag,limestone,chat,or otherhigh quality aggregate or combination thereof.The aggregateshall be totally crushed with 100%of the parent aggregatebeing larger than the largest stone in the gradation to be used.Recommended grading requirements are shown in Table 1.
