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Significance and Use
4.1 GCLs must be properly manufactured in a manner consistent with a minimum level of quality control as determined by in-house testing of the final product. This practice suggests the types of tests, the methods of the testing and the minimum testing frequencies.
4.2 It should be clearly recognized that manufacturers may perform additional tests or at greater frequency than required in this practice, or both. In this case, the manufacturer's quality control plan will then take precedence over this practice. The quoted tests and test methods in must appear in the QC plan and the QC report.
4.3 It should also be recognized that purchasers and installers of GCLs may require additional tests or at a great frequency than called for in this practice, or both. The organization(s) producing such project specific specification or quality assurance plan should recognize that such requirements are beyond the current state of the practice. If such a request is made by purchasers or installers, they should clearly communicate the requirements to the manufacturer or supplier during the contract decisions in order that disputes do not arise at a subsequent time.
1.1 This practice covers the manufacturing quality control of geosynthetic clay liners (GCLs), describing types of tests, the proper test methods, and the minimum testing frequencies.
1.2 This practice is intended to aid manufacturers, suppliers, purchasers and users of GCLs in establishing a minimum level of effort for manufacturing quality control.
1.3 This practice does not address manufacturing quality assurance, product acceptance testing, or conformance testing. These are independent activities taken by organizations other than the GCL manufacturer.
1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.
1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
Government DocumentEPA/600/R-93/182 Technical Guidance Document Quality Assurance and Quality Control for Waste Containment Facilities Available from U.S. Government Publishing Office, 732 N. Capitol St., NW, Washington, DC 20401-0001, http://www.gpo.gov.
D792 Test Methods for Density and Specific Gravity (Relative Density) of Plastics by Displacement
D882 Test Method for Tensile Properties of Thin Plastic Sheeting
D1505 Test Method for Density of Plastics by the Density-Gradient Technique
D4439 Terminology for Geosynthetics
D4632/D4632M Test Method for Grab Breaking Load and Elongation of Geotextiles
D5199 Test Method for Measuring the Nominal Thickness of Geosynthetics
D5261 Test Method for Measuring Mass per Unit Area of Geotextiles
D5887 Test Method for Measurement of Index Flux Through Saturated Geosynthetic Clay Liner Specimens Using a Flexible Wall Permeameter
D5890 Test Method for Swell Index of Clay Mineral Component of Geosynthetic Clay Liners
D5891/D5891M Test Method for Fluid Loss of Clay Component of Geosynthetic Clay Liners
D5993 Test Method for Measuring Mass Per Unit of Geosynthetic Clay Liners
D5994/D5994M Test Method for Measuring Core Thickness of Textured Geomembranes
D6243/D6243M Test Method for Determining the Internal and Interface Shear Strength of Geosynthetic Clay Liner by the Direct Shear Method
D6496/D6496M Test Method for Determining Average Bonding Peel Strength Between Top and Bottom Layers of Needle-Punched Geosynthetic Clay Liners
D6693/D6693M Test Method for Determining Tensile Properties of Nonreinforced Polyethylene and Nonreinforced Flexible Polypropylene Geomembranes
D6768/D6768M Test Method for Tensile Strength of Geosynthetic Clay Liners
ICS Number Code 65.020.40 (Landscaping and silviculture); 91.100.15 (Mineral materials and products)
|Link to Active (This link will always route to the current Active version of the standard.)|
ASTM D5889 / D5889M-16, Standard Practice for Quality Control of Geosynthetic Clay Liners, ASTM International, West Conshohocken, PA, 2016, www.astm.orgBack to Top