1、Designation:D8030/D8030M19Standard Practice forSample Preparation for GCCM1This standard is issued under the fixed designation D8030/D8030M;the number immediately following the designation indicates theyear of original adoption or,in the case of revision,the year of last revision.A number in parenth
2、eses indicates the year of lastreapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This standard practice specifies a set of instructions forpreparing samples of geosynthetic cementitious composite mat(GCCM)for index property testing.1.2 T
3、he values stated in either SI units or inch-pound unitsare to be regarded separately as standard.The values stated ineach system may not be exact equivalents;therefore,eachsystem shall be used independently of the other.Combiningvalues from the two systems may result in non-conformancewith the stand
4、ard.1.3 All observed and calculated values shall conform to theguidelines for significant digits and rounding established inPractice D6026.1.3.1 For purposes of comparing measured or calculatedvalue(s)with specified limits,the measured or calculatedvalue(s)shall be rounded to the nearest decimal or
5、significantdigits in the specified limits.1.3.2 The procedures used to specify how data are collected/recorded or calculated in this practice are regarded as theindustry standard.In addition,they are representative of thesignificant digits that generally should be measured.Theprocedures used do not
6、consider material variation,purpose forobtaining the data,special purpose studies,or any consider-ations for the users objectives;and it is common practice toincrease or reduce the significant digits of reported data to becommensurate with these considerations.It is beyond the scopeof this practice
7、to consider significant digits used in theanalytical methods for engineering design.1.4 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,health,and environmental pr
8、actices and deter-mine the applicability of regulatory limitations prior to use.Some specific hazards statements are given in Section 7 onHazards.1.5 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on
9、 Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2C191 Test Methods for Time of Setting of Hydraulic Cementby Vicat NeedleD4439 Terminology fo
10、r GeosyntheticsD6026 Practice for Using Significant Digits in GeotechnicalData3.Terminology3.1 DefinitionsFor definitions of common technical termsused in this standard,refer to Terminology D4439.3.2 Definitions of Terms Specific to This Standard:3.2.1 cured,adja description of the state of a GCCM a
11、fterhydration for a specified period of time under specifiedconditions,followed by a period of time where the GCCM iskept under a specified environmental condition during whichthe cementitious matrix continues to crystallize and developstrength.3.2.2 curing time,nthe time subsequent to initial hydra
12、-tion of the GCCM and immediately prior to the testing of thematerial during which the cementitious material is allowed toharden and form its final structure.The specific process forcuring is specified in 9.3.3.2.3 dry,adja description of the state of a GCCM beforeit has been exposed to a hydration
13、source.Typically describesthe“as-received”dry product after conditioning in prescribedmanner.3.2.4 hydration,nexposure of the GCCM,in this case,towater in prescribed conditions for a prescribed time.3.2.5 index property test,nin geosynthetics,a standardtest that may be used to compare the relative m
14、aterial proper-ties of erosion control products.1This practice is under the jurisdiction of ASTM Committee D35 on Geosyn-thetics and is the direct responsibility of Subcommittee D35.05 on GeosyntheticErosion Control.Current edition approved Jan.1,2019.Published January 2019.Originallyapproved in 201
15、6.Last previous edition approved in 2016 as D8030/D8030M 16.DOI:10.1520/D8030_D8030M-19.2For 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 Summary pa
16、ge onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 3.2.6 initial setting time,nthe time subsequent to ini
