1、Designation:D826921Standard Guide for theUse of Geocells in Geotechnical and Roadway Projects1This standard is issued under the fixed designation D8269;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A numbe
2、r 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 is intended to cover basic considerations forthe use of geocells in various geotechnical and roadwayprojects to bring a unified under
3、standing of efficient andappropriate ways to utilize this type of ground improvementtechnology for a variety of geotechnical-related applications,including but not limited to:load support for pavements,subgrade improvement,slope stability,retaining walls,earthretention,and slope and channel protecti
4、on.Engineers andowners interested in using this manufactured product can referto the information in this guide to learn about key designprinciples,properties,mechanisms,and methodologies forapplicable geotechnical applications.Geotechnical designs thatincorporate geocells should take into considerat
5、ion the specificattributes of each product.The engineer is encouraged toutilize design methodologies based on reliable test results andresearch.1.2 This guide offers a collection of information and doesnot recommend a course of action.This guide cannot replaceeducation or experience,and should be us
6、ed in conjunctionwith professional judgment.Not all aspects of this guide maybe applicable in all circumstances.1.3 This guide is not intended to represent or replace thestandard of care by which the adequacy of a given professionalservice must be judged,nor should this guide be appliedwithout consi
7、deration of a projects many unique aspects.1.4 The word“standard”in the title of this guide means onlythat this guide has been approved through the ASTM Interna-tional consensus process.1.5 The values given in SI units are to be regarded asstandard.Values in parentheses are for information only.1.6
8、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 practices and deter-mine the applicability of regulatory limitations prior to use.1.7 This
9、 international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TB
10、T)Committee.2.Referenced Documents2.1 ASTM Standards:2D1693 Test Method for Environmental Stress-Cracking ofEthylene PlasticsD3895 Test Method for Oxidative-Induction Time of Poly-olefins by Differential Scanning CalorimetryD4355/D4355M Test Method for Deterioration of Geotex-tiles by Exposure to Li
11、ght,Moisture,and Heat in a XenonArc-Type ApparatusD4439 Terminology for GeosyntheticsD4595 Test Method for Tensile Properties of Geotextiles bythe Wide-Width Strip MethodD5199 Test Method for Measuring the Nominal Thicknessof GeosyntheticsD5262 Test Method for Determining the Unconfined Ten-sion Cre
12、ep and Creep Rupture Behavior of Planar Geo-synthetics Used for Reinforcement PurposesD5397 Test Method for Evaluation of Stress Crack Resis-tance of Polyolefin Geomembranes Using Notched Con-stant Tensile Load TestD5721 Practice for Air-Oven Aging of Polyolefin Geomem-branesD5885/D5885M Test Method
13、 for Oxidative Induction Timeof Polyolefin Geosynthetics by High-Pressure DifferentialScanning CalorimetryD5994/D5994M Test Method for Measuring Core Thicknessof Textured GeomembranesD6392 Test Method for Determining the Integrity of Nonre-inforced Geomembrane Seams Produced Using Thermo-Fusion Meth
14、ods1This guide is under the jurisdiction ofASTM Committee D35 on Geosyntheticsand is the direct responsibility of Subcommittee D35.01 on Mechanical Properties.Current edition approved July 15,2021.Published August 2021.DOI:10.1520/D8269-21.2For referenced ASTM standards,visit the ASTM website,www.as
15、tm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer 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 StatesThis international
16、 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.1D6992 Test Method for Accelerated Tensile Creep andCreep-Rupture of Geosynthetic Materials Based on Time-Temperature Superposition Using the Stepped IsothermalMethodD7238 Test Method for Effect of Exposu
