BOMBAY TEXTILE RESEARCH ASSOCIATION L.B.S.MARG, GHATKOPAR (W),MUMBAI WEB : btraindia.com V.K.PATIL TEST METHODS FOR GEOSYNTHETICS

Physical proprieties (P)Mechanical properties (M) Type of structureTensile properties Specific gravityCompressibility Mass per unit areaSeam strength ThicknessBurst strength StiffnessTear strength Puncture strength Hydraulic properties (H) Endurance properties (E) PorosityInstallation damage Percentage open areaCreep and stress relaxation Apparent opening sizeAbrasion PermittivityClogging Transmissivity

Durability properties (D)Performance test (PF) TemperatureAsphalt retention OxidationDirect Shear Chemical degradationClogging potential HydrolysisPull out resistance Ultraviolet light degradationFiltering Efficiency BTRA, COE-Geotech can provide testing of most of these properties as per ASTM, IS and ISO standards

TEST METHODS FOR GEOTEXTILES Test Parameters ASTMISOIS 1 E Abrasion Resistance of Geotextiles (Sand Paper/Sliding Block Method) D H Water Permeability of Geotextiles by PermittivityD M Trapezoid Tearing Strength of GeotextilesD D Deterioration of Geotextiles by Exposure to Light, Moisture and Heat in a Xenon Arc Type Apparatus D (Part 2) 5 M Tensile Properties of Geotextiles by the Wide-Width Strip Method D (Part 5) 6 M Grab Breaking Load and Elongation of GeotextilesD H Apparent Opening Size of a GeotextileD M Strength of Sewn or Thermally Bonded Seams of Geotextiles D P Nominal Thickness of GeosyntheticsD M Tension Creep and Creep Rupture Behavior of Geosynthetics D

TEST METHODS FOR GEOTEXTILES Test Parameters ASTMISOIS 11 M Cone drop ( Dynamic perforation )13433 EN P Mass per Unit Area of GeotextilesD H Hydraulic Transmissivity of a Geosynthetic Using a Constant Head D M Static Puncture Strength of Geotextiles and Geotextile-Related Products Using a 50-mm Probe D H Permittivity of Geotextiles Under LoadD PF Hydraulic Conductivity Ratio (HCR) Testing of Soil/Geotextile Systems D PF Asphalt Retention of Paving Fabrics Used in Asphalt Paving for Full-Width Applications D DChemical Resistance of Geotextiles to LiquidsD D Effects of Temperature on Stability of GeotextilesD D Biological Clogging of GeotextileD1987

TEST METHODS FOR GEOTEXTILES Test Parameters ASTMISO 21 D Deterioration of Geotextiles from Outdoor ExposureD HPF Determining Filtering Efficiency and Flow Rate of the Filtration Component of a Sediment Retention Device Using Site-Specific Soil D PF Measuring the Soil-Geotextile System Clogging Potential by the Gradient Ratio D M Pore Size Characteristics of Geotextiles by Capillary Flow Test D MLarge Scale Hydrostatic Puncture Testing of Geosynthetics D EInstallation Damage of GeosyntheticsD DMicroscopic Evaluation of the Dispersion of Carbon Black in Polyolefin Geosynthetics D MMulti-Axial Tension Test for GeosyntheticsD5617

TEST METHODS FOR GEOSYNTHETICS Test Parameters ASTMISOIS 1PF Geosynthetic Pullout Resistance in SoilD6706 2E Accelerated Tensile Creep and Creep-Rupture of Geosynthetic D PF Determining the Coefficient of Soil and Geosynthetic or Geosynthetic and Geosynthetic Friction by the Direct Shear Method D D Chemical Resistance of Geosynthetics to LiquidsD5322 5D Oxidative Induction Time of Polyolefin Geosynthetics by High-Pressure Differential Scanning Calorimetry D M Geosynthetics -- Index test procedure for the evaluation of mechanical damage under repeated loading -- Damage caused by granular material H (In-Plane) Hydraulic Transmissivity of a Geosynthetic by Radial Flow D Terminology for GeosyntheticsD Sampling of Geosynthetics for TestingD

GEOCOMPOSITES Test Parameters ASTM 1 M Bond Strength (Ply Adhesion) of Geocomposites D M Vertical Strip Drains in the Crimped Condition D D Chemical Resistance of Geonets to Liquids D6388

TEST METHODS FOR GEOMEMBRANES Test Parameters ASTM 1 M Index Puncture Resistance of Geomembranes and Related Products D M Strength of Geomembranes by the Wide Strip Tensile Method D M Tensile Properties of Nonreinforced Polyethylene and Nonreinforced Flexible Polypropylene Geomembranes D6693 4M 2 % Secant Modulus for Polyethylene GeomembranesD M Stress Crack Resistance of Polyolefin Geomembranes Using Notched Constant Tensile Load Test D M Pyramid Puncture Resistance of Unprotected and Protected Geomembranes D5494

TEST METHODS FOR GEOMEMBRANES Test Parameters ASTM 7 M Strip Tensile Properties of Reinforced Geomembranes D M Grab Tensile Properties of Reinforced Geomembranes D D Chemical Resistance of Geomembranes to Liquids D M Ply Adhesion Strength of Reinforced Geomembranes D M Determining the Integrity of Seams Used in Joining Flexible Polymeric Sheet Geomembranes D D Geomembrane Seam Evaluation by Vacuum Chamber D5641

TEST METHODS FOR GEOSYNTHETIC CLAY LINERS Test Parameters ASTMISO 1P Mass Per Unit of Geosynthetic Clay LinersD5993 2H Index Flux Through Saturated Geosynthetic Clay Liner Specimens Using a Flexible Wall Permeameter D M Swell Index of Clay Mineral Component of Geosynthetic Clay Liners D H Fluid Loss of Clay Component of Geosynthetic Clay Liners D5891 5M Grab Breaking Load and Elongation of GCL 6 Acceptance Testing Requirements for Geosynthetic Clay Liners D6495 7M Tensile Strength of Geosynthetic Clay LinersD M Bonding Peel Strength Between the Top and Bottom Layers of Needle-Punched Geosynthetic Clay Liners D M Clay geosynthetic barriers -- Determination of permeability to gases 10773

TEST METHODS FOR GEOGRIDS Test Parameters ASTM 1 M Tensile Properties of Geogrids by the Single or Multi-Rib Tensile Method D D Chemical Resistance of Geogrids to Liquids D M Junction StrengthGRI-GG-2