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ASTM_D_5261-10.pdf

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1、Designation:D5261-10NTERNATIONALStandard Test Method forMeasuring Mass per Unit Area of Geotextiles1This standard is issued under the fixed designation D5261;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A

2、 number in parentheses indicates the year of last reapproval.Asuperscript epsilon(s)indicates an editorial change since the last revision or reapproval.1.Scope3.1.3 geotextile,n-any permeable textile used with foun-1.1 This test method covers and can be used as an index todation,soil,rock,earth,or a

3、ny other geotechnical-engineering-the determination of mass per unit area of all geotextiles.related material as an integral part of a man-made project,structure,or system.1.2 The values stated in SI units or other units shall be3.1.3.1 Discussion-Current textile manufacturing tech-regarded separate

4、ly as standard.The values stated in parenthe-niques produce:nonwoven fabrics,knitted fabrics,and wovenses are provided for information only.fabrics.1.3 This standard does not purport to address all of the3.2 For definitions of other textile terms used in this testsafery concerns,if any,associated wi

5、th its use.It is themethod,refer to Terminology D123.responsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-3.3 For definitions of other terms relating to geotextiles usedbility of regulatory limitations prior to use.in this test m

6、ethod,refer to Terminology D4439.2.Referenced Documents4.Summary of Test Method2.1 ASTM Standards:24.1 The mass per unit area of a geotextile is determined byD123 Terminology Relating to Textilesweighing test specimens of known dimensions,cut fromD1776 Practice for Conditioning and Testing Textilesv

7、arious locations over the full width of the laboratory sample.D4354 Practice for Sampling of Geosynthetics for TestingThe calculated values are then averaged to obtain the meanD4439 Terminology for Geosyntheticsmass per unit area of the laboratory sample.2.2 ISO Standard:ISO 9864:1990 Geotextiles-De

8、termination of mass per5.Significance and Useunit area5.1 This test method is used to determine if the geotextilematerial meets specifications for mass per unit area.This test3.Terminologymethod can be used for quality control to determine specimen3.1 Definitions:conformance.This measurement allows

9、for a simple control of3.1.1 atmosphere for testing geotextiles,n-air maintainedthe delivered material by a comparison of the mass per unitat a relative humidity of 65+5 and temperature of 21area of the delivered material and the specified mass per unit2C(704F).area.3.1.2 geosynthetic,n-a planar pro

10、duct manufactured from5.2 The procedure in this test method may be used forpolymeric material used with soil,rock,earth,or otheracceptance testing of commercial shipments,but caution isgeotechnical-engineering-related material as an integral part ofadvised since information about between-laboratory

11、precisiona man-made project,structure,or system.is incomplete.Comparative tests in accordance with 5.2.1 areadvisable.5.2.1 In case of a dispute arising from differences inThis test method is under the jurisdiction of ASTM Committee D35 onGeosynthetics and is the direct responsibility of Subcommitte

12、e D35.01 on Mechani-reported test results when using the procedures in this testcal Properties.method for acceptance testing of commercial shipments,theCurrent edition approved March 1.2010.Published April 2010.Originallypurchaser and the manufacturer should conduct comparativeapproved in 1992.Last

13、previous edition approved in 2009 as D5261-92(2009).tests to determine if there is a statistical bias between theirD0L:10.1520/D5261-10.2 For referenced ASTM standards,visit the ASTM website,www.astm.org.orlaboratories.Competent statistical assistance is recommendedcontact ASTM Customer Service at s

14、erviceastm.org.For Annual Book of ASTMfor the investigation of bias.As a minimum,the two partiesStandards volume information,refer to the standards Document Summary page onshould take a group of test specimens that are as homogeneousthe ASTM website.Available from International Organization for Stan

15、dardization(ISO).1,ch.deas possible and which are from a lot of material of the type inla Voie-Creuse.Case postale 56.CH-1211.Geneva 20,Switzerland,http:/question.The test specimen should then be randomly assignedwww.iso.ch.in equal numbers to each laboratory for testing.The averageCopyright ASTM In

16、ternational,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States4D5261-10ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard.Users of this standard are expressly advised that deter

17、mination of the validity of any such patent rights,and the riskof infringement of such rights,are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised,either reapproved or wit

18、hdrawn.Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM Intemational Headquarters.Your comments will receive careful consideration at a meeting of theresponsible technical committee,which you may attend.If you feel that your co

19、mments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards,at the address shown below.This standard is copyrighted by ASTM Intemational,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States.Individual reprints(single or multip

20、le copies)of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585(phone),610-832-9555(fax),or serviceastm.org(e-mail):or through the ASTM website(www.astm.org).Permission rights to photocopy the standard may also be secured from the ASTM website(www.astm.org/COPYRIGHT/.3

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