ASTM_D_6917_-_03_2011.pdf

Designation:D691703(Reapproved 2011)Standard Guide forSelection of Test Methods for Prefabricated Vertical Drains(PVD)1This standard is issued under the fixed designation D6917;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.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 provides recommendations for the selectionof appropriate test methods for prefabricated vertical geocom-posite drains(sometimes referred to as Wick Drains)used ingeotechnical engineering applications to provide consistency indata reporting.1.2 This guide includes test methods for all types ofprefabricated geocomposite drains manufactured in a plant andconsisting of a polymeric core structure with a synthetic fabric(geotextile)jacket for filtration.1.3 This guide is intended to aid all personnel involved inthe selection,manufacture,installation,or evaluation of pre-fabricated vertical drains.1.4 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 and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2D3786 Test Method for Bursting Strength of TextileFabricsDiaphragm Bursting Strength Tester MethodD4491 Test Methods for Water Permeability of Geotextilesby PermittivityD4533 Test Method for Trapezoid Tearing Strength of Geo-textilesD4632 Test Method for Grab Breaking Load and Elongationof GeotextilesD4716 Test Method for Determining the(In-plane)FlowRate per Unit Width and Hydraulic Transmissivity of aGeosynthetic Using a Constant HeadD4751 Test Method for DeterminingApparent Opening Sizeof a GeotextileD4884 Test Method for Strength of Sewn or ThermallyBonded Seams of GeotextilesD4886 Test Method for Abrasion Resistance of Geotextiles(Sand Paper/Sliding Block Method)D5101 Test Method for Measuring the Soil-Geotextile Sys-tem Clogging Potential by the Gradient RatioD5199 Test Method for Measuring the Nominal Thicknessof GeosyntheticsD5261 Test Method for Measuring Mass per Unit Area ofGeotextilesD5322 Practice for Laboratory Immersion Procedures forEvaluating the Chemical Resistance of Geosynthetics toLiquidsD5493 Test Method for Permittivity of Geotextiles UnderLoadD5567 Test Method for Hydraulic Conductivity Ratio(HCR)Testing of Soil/Geotextile SystemsD5819 Guide for Selecting Test Methods for ExperimentalEvaluation of Geosynthetic DurabilityD6241 Test Method for the Static Puncture Strength ofGeotextiles and Geotextile-Related Products Using a50-mm ProbeD6364 Test Method for Determining Short-Term Compres-sion Behavior of GeosyntheticsD6389 Practice for Tests to Evaluate the Chemical Resis-tance of Geotextiles to Liquids3.Terminology3.1 Definitions:3.1.1 geocomposite,na product composed of two or morematerials,at least one of which is a geosynthetic.3.1.2 geosynthetic,na planar product manufactured frompolymeric material used with soil,rock,earth,or other geo-technical engineering related material as an integral part of amanmade project,structure,or system.1This guide is under the jurisdiction ofASTM Committee D35 on Geosyntheticsand are the direct responsibility of Subcommittee D35.03 on Permeability andFiltration.Current edition approved June 1,2011.Published July 2011.Originally approvedin 2003.Last previous edition approved in 2007 as D691703(2007).DOI:10.1520/D6917-03R11.2For 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 Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 3.1.3 geotechnical engineering,nthe engineering applica-tion of geotechnics.3.1.4 geotechnics,nthe application of scientific methodsand engineering principles to the acquisition,interpretation,and use of knowledge of materials of the earths crust to thesolution of engineering problems.3.1.5 geotextiles,nany permeable textile material used infoundation,soil,rock,earth,or any other geotechnical engi-neering related material,as an integral part of a manmadeproject,structure,or system.3.1.6 vertical strip drain,na geocomposite consisting of ageotextile cover and drainage core installed vertically into soilto provide drainage for accelerating consolidation of soils.3.1.6.1 DiscussionAlso known as band drain,wick drain,or prefabricated vertical drain(PVD).4.Significance and Use4.1 To properly evaluate prefabricated vertical drains,testsmust be performed according to specific test methods andprocedures.Failure to follow this practice can result in data notrepresentative of the products characteristics and perfor-man