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ASTM_D_5101_-_12.pdf

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1、Designation:D510112Standard Test Method forMeasuring the Filtration Compatibility of Soil-GeotextileSystems1This standard is issued under the fixed designation D5101;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last re

2、vision.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 test method covers performance tests applicable fordetermining the compatibility of geotextiles with various typesof water-sa

3、turated soils under unidirectional flow conditions.1.2 Two evaluation methods may be used to investigate soil geotextile filtration behavior,depending on the soil type:1.2.1 For soils with a plasticity index lower than 5,thesystems compatibility shall be evaluated per this standard.1.2.2 For soils w

4、ith a plasticity index of 5 or more,it isrecommended to use ASTM D5567(HCR,Hydraulic Con-ductivity Ratio)instead of this test method.1.2.3 If the plasticity index of the soil is close to 5,theinvolved parties shall agree on the selection of the appropriatemethod prior to conducting the test.This tas

5、k may requirecomparison of the permeability of the soil-geotextile system tothe detection limits of the HCR and Gradient Ratio Test(GRT)test apparatus being used.1.3 The values stated in SI units are to be regarded asstandard.The values in parentheses are for information only.1.4 This standard does

6、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:

7、2D123 Terminology Relating to TextilesD422 Test Method for Particle-Size Analysis of SoilsD653 Terminology Relating to Soil,Rock,and ContainedFluidsD698 Test Methods for Laboratory Compaction Character-istics of Soil Using Standard Effort(12 400 ft-lbf/ft3(600kN-m/m3)D737 Test Method for Air Permeab

8、ility of Textile FabricsD854 Test Methods for Specific Gravity of Soil Solids byWater PycnometerD1587 Practice for Thin-Walled Tube Sampling of Soils forGeotechnical PurposesD2216 Test Methods for Laboratory Determination of Water(Moisture)Content of Soil and Rock by MassD2487 Practice for Classific

9、ation of Soils for EngineeringPurposes(Unified Soil Classification System)D2488 Practice for Description and Identification of Soils(Visual-Manual Procedure)D4220 Practices for Preserving and Transporting SoilSamplesD4318 Test Methods for Liquid Limit,Plastic Limit,andPlasticity Index of SoilsD4354

10、Practice for Sampling of Geosynthetics and RolledErosion Control Products(RECPs)for TestingD4439 Terminology for GeosyntheticsD4491 Test Methods for Water Permeability of Geotextilesby PermittivityD4647 Test Method for Identification and Classification ofDispersive Clay Soils by the Pinhole TestD475

11、1 Test Method for DeterminingApparent Opening Sizeof a GeotextileD5084 Test Methods for Measurement of Hydraulic Con-ductivity of Saturated Porous Materials Using a FlexibleWall PermeameterD5101 Test Method for Measuring the Filtration Compat-ibility of Soil-Geotextile SystemsD5567 Test Method for H

12、ydraulic Conductivity Ratio(HCR)Testing of Soil/Geotextile Systems3.Terminology3.1 Definitions:3.1.1 clogging,nin geotextiles,the tendency for a givengeotextile to lose permeability due to soil particles that haveeither become embedded in the fabric openings or have built upon the geotextile surface

13、 to form a layer with lower permeabil-ity than that of the bulk soil specimen.1This test method is under the jurisdiction of ASTM Committee D35 onGeosynthetics and is the direct responsibility of Subcommittee D35.03 on Perme-ability and Filtration.Current edition approved July 1,2012.Published Augus

14、t 2012.Originallyapproved in 1990.Last previous edition approved in 2006 as D5101 01(2006).DOI:10.1520/D5101-12.2For 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 stand

15、ards Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 3.1.2 piping,nthe tendency of the geotextile to let aquantity of soil pass through its plane that may potentially leadto stability concerns in t

16、he soil or internal clogging of thegeotextile.3.1.3 gradient ratio,nin geotextiles,ratio of the hydraulicgradient across a soil-geotextile interface to the hydraulicgradient through the soil alone.3.1.4 hydraulic gradient,i,s(D)the loss of hydraulic headper unit distance of flow,dH/dL.3.1.5 For definitions of other textile terms,refer to Termi-nology D123.For definitions of other terms related togeotextiles,refer to Terminology D4439 and TerminologyD653.3.2 Symbols and Acronyms:3.2.1 CHDthe acro

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