1、Designation: D6917 16Standard 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 rev
2、ision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope*1.1 This guide provides recommendations for the selectionof appropriate test methods for prefabricated vertical geocom-posite dra
3、ins (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
4、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 i
5、s 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:2D4491 Test Methods for Water Permeability of Geotextilesby PermittivityD4533 Test
6、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 Determining Appa
7、rent Opening Sizeof a GeotextileD4884 Test Method for Strength of Sewn or Bonded Seamsof GeotextilesD5101 Test Method for Measuring the Filtration Compat-ibility of Soil-Geotextile SystemsD5199 Test Method for Measuring the Nominal Thicknessof GeosyntheticsD5322 Practice for Laboratory Immersion Pro
8、cedures 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 Geosynthet
9、ic DurabilityD6241 Test Method for Static Puncture Strength of Geotex-tiles and Geotextile-Related Products Using a 50-mmProbeD6364 Test Method for Determining Short-Term Compres-sion Behavior of GeosyntheticsD6389 Practice for Tests to Evaluate the Chemical Resis-tance of Geotextiles to LiquidsD691
10、8 Test Method for Testing Vertical Strip Drains in theCrimped ConditionD7498 Test Method for Vertical Strip Drains Using a LargeScale Consolidation Test3. 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 geosynt
11、hetic, 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.3.1.3 geotechnical engineering, nthe engineering applica-tion of geotechnics.3.1.4 geotechnics,
12、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.1This guide is under the jurisdiction ofASTM Committee D35 on Geosyntheticsand are the direct responsibilit
13、y of Subcommittee D35.03 on Permeability andFiltration.Current edition approved Feb. 15, 2016. Published February 2016. Originallyapproved in 2003. Last previous edition approved in 2011 as D6917 03(2011).DOI: 10.1520/D6917-16.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orc
14、ontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.*A Summary of Changes section appears at the end of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, Wes
15、t Conshohocken, PA 19428-2959. United States13.1.5 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 con
16、sisting 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
17、 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-mance.5. Test Methods5.1 Recommended test methods for prefabricated verticaldrains have been grouped into
18、2 categories and are listed intables as follows:5.1.1 TablePrefabricated Vertical Drains Index PropertiesCharacteristic ASTM StandardPVD (Geocomposite)Grab Test Method D4632Thickness Test Method D5199Discharge Capacity (Transmissivity) Test Method D4716Compression Test Method D6364Seam Strength Test
19、 Method D4884Geotextile (Filter)Permittivity Test Method D4491Permeability Test Method D4491Apparent Opening Size Test Method D4751Static Puncture Test Method D6241Trap Tear Test Method D45335.1.2 TablePrefabricated Vertical Drains PerformanceProperties.Characteristic ASTM StandardPVD (Geocomposite)
20、Discharge Capacity(Transmissivity)Test Method D4716Chemical Resistance Practice D5322 / Practice D6389Durability Guide D5819Crimp Test Test Method D6918Large Scale Consolidation Test Method D7498Geotextile (Filter)Permittivity Under Load Test Method D5493Clogging Potential by Gradient Ra-tioTest Met
21、hod D5101Hydraulic Conductivity Ratio Test Method D55676. Keywords6.1 geocomposite; geosynthetic; geotextile; permittivity;prefabricated vertical drain; transmissivitySUMMARY OF CHANGESCommittee D35 has identified the location of selected changes to this standard since the last issue(D6917 03(2011)
22、that may impact the use of this standard. (Approved Feb. 15, 2016.)(1) Removal of Test Method D3786, Test Method D4886, andTest Method D5261.(2) Addition of Test Method D6918 and Test Method D7498.ASTM International takes no position respecting the validity of any patent rights asserted in connectio
23、n with any item mentionedin this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible
24、technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consid
25、eration at a meeting of theresponsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Bar
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