ASTM D6141-1997(2004) Standard Guide for Screening Clay Portion of Geosynthetic Clay Liner (GCL) for Chemical Compatibility to Liquids《与液体化学兼容的土工合成粘土衬垫的粘土部分筛选的标准指南》.pdf
《ASTM D6141-1997(2004) Standard Guide for Screening Clay Portion of Geosynthetic Clay Liner (GCL) for Chemical Compatibility to Liquids《与液体化学兼容的土工合成粘土衬垫的粘土部分筛选的标准指南》.pdf》由会员分享,可在线阅读,更多相关《ASTM D6141-1997(2004) Standard Guide for Screening Clay Portion of Geosynthetic Clay Liner (GCL) for Chemical Compatibility to Liquids《与液体化学兼容的土工合成粘土衬垫的粘土部分筛选的标准指南》.pdf(3页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: D 6141 97 (Reapproved 2004)Standard Guide forScreening Clay Portion of Geosynthetic Clay Liner (GCL) forChemical Compatibility to Liquids1This standard is issued under the fixed designation D 6141; the number immediately following the designation indicates the year oforiginal adoption o
2、r, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This guide covers procedures and test methods that canbe used in the evaluati
3、on of the ability of the clay portion of ageosynthetic clay liner to resist change due to exposure toliquids. These liquids may come from a site, or be generated ina laboratory from a site-specific soil.1.2 The scope of this guide is limited to short-term screen-ing and is not intended to replace ev
4、aluation procedures thatmeasure a performance property such as EPA 9100, TestMethod D 5887, or other suitable ASTM standards as theybecome available.1.3 This guide applies to the clay component of a GCL. Thesynthetic carrier components are covered independently asdescribed in Practice D 5322.1.4 Thi
5、s 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 practices and determine the applica-bility of regulatory limitations prior to use.2. Referenced Document
6、s2.1 ASTM Standards:2D 653 Terminology Relating to Soil, Rock, and ContainedFluidsD 4439 Terminology for GeosyntheticsD 5322 Practice for Immersion Procedures for Evaluatingthe Chemical Resistance of Geosynthetics to LiquidD 5887 Test Method for Measurement of Index FluxThrough Saturated Geosyntheti
7、c Clay Liner SpecimensUsing a Flexible Wall PermeameterD 5890 Test Method for Swell Index of Clay MineralComponent of Geosynthetic Clay LinersD 5891 Test Method for Fluid Loss of Clay Component ofGeosynthetic Clay LinersD 6072 Guide for Obtaining Samples of Geosynthetic ClayLiners2.2 Other Document:
8、3EPA Test Method 9100 Saturated Hydraulic Conductivity,Saturated Leachate Conductivity, and Intrinsic Permeabil-ity3. Terminology3.1 Definitions:3.1.1 geosynthetic clay liner (GCL), na manufacturedhydraulic barrier consisting of clay bonded to a layer or layersof geosynthetics.3.1.2 test liquid, nwi
9、thin this guide, a liquid either sup-plied to, or obtained by the testing laboratory, or generated bythe testing laboratory through prolonged contact of a reagentwith a test soil or other solid material.3.2 Other definitions may be found in the referenced Ter-minologies D 4439 and D 653.4. Significa
10、nce and Use4.1 This guide is intended as a starting place for thosewishing to investigate the chemical compatibility of the clayportion of a geosynthetic clay liner to test liquids. Within thescope of this guide, the clay portion of a geosynthetic clay linerthat is chemically compatible with a test
11、liquid may beexpected to maintain its swelling characteristics. Conversely,the clay portion of a geosynthetic clay liner that is incompatiblewith a test liquid may be expected not to maintain its swellingcharacteristics. In instances where the compatibility of the clayportion of a GCL is questionabl
12、e, additional hydraulic testingunder the expected site conditions may be warranted.5. Apparatus5.1 Refer to the appropriate evaluation test standards for adescription of the apparatus necessary to perform those tests.5.2 Containers, manufactured of a chemically resistantmaterial, such as polyethylen
13、e or stainless steel, may be neededto prepare and contain test liquid generated from soils. The1This guide is under the jurisdiction of ASTM Committee D35 on Geosyntheticsand is the direct responsibility of Subcommittee D35.04 on Geosynthetic ClayLiners.Current edition approved June 1, 2004. Publish
14、ed July 2004. Originally approvedin 1997. Last previous edition approved in 1997 as D 6141 - 97.2For 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 Docume
15、nt Summary page onthe ASTM website.3Available from U.S. Government Printing Office Superintendent of Documents,732 N. Capitol St., NW, Mail Stop: SDE, Washington, DC 20401.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.containers sh
16、ould be sealable to prevent the loss of volatileconstituents. Separate containers will be needed for mixingbatches and storing the test liquid for the tests.5.3 Mixer, motor driven, capable of forming a slurry of thesoil and the leaching fluid.NOTE 1It may be impossible to mix some soils to the exte
17、ntpreviously described. In such cases, other means of exposing the soil tothe leaching fluid should be agreed upon between the parties involved.6. Sampling6.1 Test liquid or soil samples from a site should berepresentative of the whole.NOTE 2Materials that contain or are suspected to contain hazardo
18、usconstituents shall be handled in accordance with all applicable federal andstate guidelines.NOTE 3The amount of test liquid needed will depend upon thenumber of tests to be performed. It is estimated that 2 L will be sufficientfor a single series of tests. The amount of soil needed will depend upo
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