1、Designation:D588806(Reapproved 2011)Standard Guide forStorage and Handling of Geosynthetic Clay Liners1This standard is issued under the fixed designation D5888;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revisio
2、n.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This guide covers guidelines for the proper storage andhandling of geosynthetic clay liners received at the job site bythe end user.1.2
3、 This guide contains general guidelines and is not in-tended to replace project-specific requirements as found in thecontract drawings or specifications.In the event of a conflict,the requirements of the project specifications will supersede therequirements of this practice.1.3 The values given in S
4、I units are to be regarded as thestandard.The inch-pound units given in parentheses are forinformation only.1.4 This guide offers an organized collection of informationor a series of options and does not recommend a specificcourse of action.This document cannot replace education orexperience and sho
5、uld be used in conjunction with professionaljudgement.Not all aspects of this guide may be applicable inall circumstances.This ASTM standard is not intended torepresent or replace the standard of care by which theadequacy of a given professional service must be judged,norshould this document be appl
6、ied without consideration of aprojects many unique aspects.The word“Standard”in thetitle of this document means only that the document has beenapproved through the ASTM consensus process.1.5 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is ther
7、esponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2D4439 Terminology for Geosynthetics3.Terminology3.1 Definitions:3.1.1 core pipe,na rigid
8、pipe or rod inserted through thecore of a GCLroll.Each end of the pipe is connected to a chainor lifting strap which attaches to equipment for GCLunloading,on-site handling,and installation.3.1.2 geosynthetic clay liner(GCL),na manufacturedhydraulic barrier consisting of clay bonded to a layer or la
9、yersof geosynthetics.3.1.3 spreader bar,na steel beam used in conjunction withthe core pipe that prevents the lifting chains or straps fromchafing against the ends of the GCL roll.3.1.4 stinger,na rigid pipe or rod with one end directlyconnected to a forklift or other equipment.The opposite end ofth
10、e stinger can then be inserted through the GCL roll core suchthat the equipment is able to unload,handle,or install the GCL.3.1.5 For definitions of other geosynthetic terms used in thispractice,refer to Terminology D4439.4.Significance and Use4.1 For optimum performance,GCLs must be stored andhandl
11、ed prior to their installation in a manner that does notimpact their physical properties.Adherence to these storageand handling guidelines will help to ensure that acceptableGCL performance will be achieved.5.Procedure5.1 Receiving and Handling GCL at the Job Site:5.1.1 The GCLs are packaged in indi
12、vidual rolls and aretypically delivered to the job site in trucks.Each roll isindividually wrapped and labeled by the GCL manufacturer.Prior to unloading the rolls,make a visual examination of theshipment in order to identify any damage that may haveoccurred in transit to the site.Record and report
13、any immedi-ately visible or suspected damage to the GCLrolls immediatelyto the GCLcarrier and to the supplier.Tag,mark,and segregatedamaged rolls.5.1.2 Unloading the rolls from the delivery vehicle must bedone in manner that prevents damage to the GCL and itspackaging.NOTE1A pipe or solid bar of suf
14、ficient strength to support the fullweight of the GCL roll without significant bending should be used for all1This guide is under the jurisdiction ofASTM Committee D35 on Geosyntheticsand is the direct responsibility of Subcommittee D35.04 on Geosynthetic ClayLiners.Current edition approved June 1,2
15、011.Published July 2011.Originally approvedin 1995.Last previous edition approved in 2006 as D588806.DOI:10.1520/D5888-06R11.2For 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
16、 to the standards Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 unloading and handling activities.The diameter of the pipe should besmall enough to be easily inserted through the core of the GCL.High-strength straps or chains should link the ends of the core pipe to theends of the spreader bar facilitate lifting the roll with a backhoe or otherequipment.Care must be taken to ensure that the l
