GRI Test Methods and Standards
Geotextile (GT) Related
GT1 Geotextile Filter
Performance via Long Term Flow (LTF) Tests
GT2 Biological Clogging of
Geotextile or Soil/Geotextile Filters (1987) (see ASTM D1987)
GT3 Deterioration of
Geotextiles from Outdoor Exposure (see ASTM D5970)
GT4 Geotextile Permittivity
Under Load (1991)
(discontinued, see ASTM D5493)
GT5 Tension Creep Testing of
Geotextiles (April 6, 1992)
(see ASTM D5262)
GT6 Geotextile Pullout (see ASTM D6706)
GT7 Determination of
Long-Term Design Strength of Geotextiles
GT8 Fine Fraction Filtration
Using Geotextile Filters
GT9 Grip Types for Use in
Wide Width Testing of Geotextiles and Geogrids
GT10* Test
Methods, Properties and Frequencies for High Strength Geotextile Tubes Used as
Coated and Riverine Structures
GT11 Installation
of Geotextile Tubes used as Coastal and Riverine Structures
GT12a Test
Methods and Properties for Nonwoven Geotextiles Used as Protection (or
Cushioning) Materials - ASTM Version
GT12b Test
Methods and Properties for Nonwoven Geotextiles Used as Protection (or
Cushioning) Materials - ISO Version
GT13* Test
Methods and Properties for Geotextiles Used as Separation Between Subgrade Soil
and Aggregate
GT14 Hanging
Bag Test for Field Assessment of Fabrics Used for Geotextile Tubes and
Containers
Geogrid
(GG) Related
GG1 Geogrid
Rib Tensile Strength (also see ASTM D6637)
GG2 Individual
Geogrid Junction Strength
GG3(a) Tension
Creep Testing of Stiff Geogrids (Jan. 30, 1991) (see ASTM D5262)
GG3(b) Tension
Creep Testing of Flexible Geogrids (Jan. 30, 1991) (see ASTM D5262)
GG4(a) Determination
of the Long-Tem Design Strength of Stiff Geogrids
GG4(b) Determination
of the Long –Term Design Strength of Flexible Geogrids
GG5 Test
Method for Geogrid Pullout
(see ASTM D6706)
GG6 Grip
Types for Use in Wide Width Testing of Geotextiles and Geogrids
GG7 Carboxyl
End Group Content of PET Yarns
GG8 Determination
of the Number Average Molecular Weight of PET Yarns Based on a Relative
Viscosity Value
GG9 Torsional
Behavior of Bidirectional Geogrids When Subjected to In-Plane Rotation
Geonet
(GN) Related
GN1 Compression Behavior of Geonets (see
ASTM D6364)
Geomembrane
(GM) Related
GM1 Seam Evaluation by
Ultrasonic Shadow Method
GM2 Embedment Depth for
GM3 Large Scale Hydrostatic
Puncture Test (see ASTM
D5514)
GM4 Three Dimensional
Geomembrane Tension Test
(see ASTM D5617)
GM5(a) Notched Constant Tensile
Load (NCTL) Test for Polyolefin Resins or Geomembranes (1992) (see ASTM D5397)
GM5(b) Single Point NCTL Test for
Polyolefin Resin or Geomembranes (see ASTM D5397 Appendix)
GM5(c) Seam Constant Tensile Load
(SCTL) Test for Polyolefin Geomembrane Seams
GM6 Pressurized Air Channel
Test for Dual Seamed Geomembranes (see also ASTM D5820)
GM7 Accelerated Curing of
Geomembrane Test Strip Seams Made by Chemical Fusion Methods
GM8 Measurement of the Core
Thickness of Textured Geomembranes (see ASTM D5994)
GM9 Cold Weather Seaming of
Geomembranes
GM10 Specification for the
Stress Crack Resistance of HDPE Geomembrane Sheet
GM11 Accelerated Weathering of
Geomembranes Using a Fluorescent UVA Device
GM12 Asperity Measurement of
Textured Geomembranes using a Depth Gage
GM13* Test
Methods, Properties and Testing Frequency for High Density Polyethylene (HDPE) Smooth
and Textured Geomembranes
GM14 Selecting
Variable Intervals for Taking Geomembrane Destructive Seam Samples Using the
Method of Attributes
GM15 Determination
of Ply Adhesion of Reinforced Geomembranes (see ASTM D6636)
GM16 Observation
of Surface Cracking of Geomembranes
GM17* Test
Methods, Properties and Testing Frequency for Linear Low Density Polyethylene
(LLDPE) Smooth and Textured Geomembranes
GM18* Test
Methods, Properties and Testing Frequency for Flexible Polypropylene (fPP and
fPP-R)
Nonreinforced
and Reinforced Geomembranes (Temporarily Suspended: May 3, 2004)
GM19* Seam
Strength and Related Properties of Thermally Bonded Polyolefin Geomembranes
GM20 Selecting
Variable Intervals for Taking Geomembrane Destructive Seam Samples Using
Control Charts
GM21* Test
Methods, Properties and Testing Frequency for Ethylene Propylene Diene
Terpolymer (EPDM)
Nonreinforced
and Scrim Reinforced Geomembranes
Geosynthetic
Clay Liner (GCL) Related
GCL1 Swell
Measurement of the Clay Component of GCL’s (see ASTM D5890)
GCL2 Permeability
of Geosynthetic Clay Liners (GCLs) (see ASTM D5887 and ASTM D6766)
GCL3* Test
Methods, Required Properties, and Testing Frequencies of Geosynthetic Clay
Liners (GCLs)
GCL4 Gripping of Reinforced GCLs to
End Platens During Direct (Interface) Shear Testing
Geocomposite
(GC) Related
GC1 Soil-Filter
Core Combined Flow Test
GC2 Strip
(Wick) Drain Flow Rate Under Load
GC3 Strip
(Wick) Drain Kinking Efficiency
GC4 Compression
Behavior of Prefabricated Edge Drains and Sheet Drains
GC5 Erosion
Control Systems to Protect Against Soil Detachment by Rainfall Impact and
Overload Flow Transport
GC6 Erosion
Control Systems for High Velocity Flows in Channels
GC7 Determination
of Adhesion and Bond Strength of Geocomposites (see ASTM D7005)
GC8 Determination
of the Allowable Flow Rate of a Drainage Geocomposite
GC9 Mechanical
Deformation Behavior of Geosynthetic Aggregate Drainage Systems
GC10 Hydraulic
Behavior of Geosynthetic Aggregate Drainage Systems
Geosynthetic (GS) Related (i.e.,
Multipurpose)
GS1 CBR
Puncture Strength (see ASTM
D6241)
GS2 Rupture
Strength of Geosynthetics by Pendulum Impact
GS3 Selecting
In-Situ Monitoring Methods and Devices for the Evaluation of Geosynthetic
Performance
GS4 Time
Dependent (Creep) Deformation Under
GS5 Impregnation
of Geosynthetics Under Load
GS6 Interface
Friction Determination by Direct Shear Testing (Jan. 30, 1991) (see ASTM D5321)
GS7 Determining
the Index Friction Properties of Geosynthetics
GS8 Determining
the Connection Strength of Mechanically Anchored Geosynthetics
GS9 Oxidative
Induction Time of Polyethylene Geosynthetics by High Pressure Differential
Seaming Calorimetry
(see
ASTM D5885)
GS10 Accelerated
Tensile Creep and Creep-Rupture of Geosynthetic Materials Based on
Time-Temperature Superposition
Using
the Stepped Isothermal Method (see ASTM D6992)
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*These Items are Generic Specifications