26 September 2011 - ASTM Committee D35 on Geosynthetics has been quiet for the past month but has now issued a revised standard:
- D4759 - Standard Practice for Determining the Specification Conformance of Geosynthetics has been revised to D4759-11.
4 August 2011 - ASTM International Committee D35 on Geosynthetics has announced the approval of a revision:
- D4533 - Standard Test Method for Trapezoid Tearing Strength of Geotextiles has been revised to D4533-11.
UPDATES FOR JULY 2011
- D4885 - Standard Test Method for Determining Performance Strength of Geomembranes by the Wide Strip Tensile Method has been reapproved, available as D4885-01(2011)
- D5323 - Standard Practice for Determination of 2 % Secant Modulus for Polyethylene Geomembranes has been reapproved, available as D5323-92(2011)
- D5493 - Standard Test Method for Permittivity of Geotextiles Under Load has been reapproved, available as D5493-06(2011)
- D5494 - Standard Test Method for the Determination of Pyramid Puncture Resistance of Unprotected and Protected Geomembranes has been reapproved, available as D5494-93(2011)
- D5514 - Standard Test Method for Large Scale Hydrostatic Puncture Testing of Geosynthetics has been reapproved, available as D5514-06(2011)
- D5567 - Standard Test Method for Hydraulic Conductivity Ratio (HCR) Testing of Soil/Geotextile Systems has been reapproved, available as D5567-94(2011)
- D5641 - Standard Practice for Geomembrane Seam Evaluation by Vacuum Chamber has been reapproved, available as D5641-94(2011)
- D5820 - Standard Practice for Pressurized Air Channel Evaluation of Dual Seamed Geomembranes has been reapproved, available as D5820-95(2011)
- D5886 - Standard Guide for Selection of Test Methods to Determine Rate of Fluid Permeation Through Geomembranes for Specific Applications has been reapproved, available as D5886-95(2011)
- D5888 - Standard Guide for Storage and Handling of Geosynthetic Clay Liners has been reapproved, available as D5888-06(2011)
- D6088 - Standard Practice for Installation of Geocomposite Pavement Drains has been reapproved, available as D6088-06(2011)
- D6365 - Standard Practice for the Nondestructive Testing of Geomembrane Seams using the Spark Test has been reapproved, available as D6365-99(2011)
- D6454 - Standard Test Method for Determining the Short-Term Compression Behavior of Turf Reinforcement Mats (TRMs) has been reapproved, available as D6454-99(2011)
- D6524 - Standard Test Method for Measuring the Resiliency of Turf Reinforcement Mats (TRMs) has been reapproved, available as D6524-00(2011)
- D6574 - Standard Test Method for Determining the (In-Plane) Hydraulic Transmissivity of a Geosynthetic by Radial Flow has been reapproved, available as D6574-00(2011)
- D6636 - Standard Test Method for Determination of Ply Adhesion Strength of Reinforced Geomembranes has been reapproved, available as D6636-01(2011)
- D6707 - Standard Specification for Circular-Knit Geotextile for Use in Subsurface Drainage Applications has been reapproved, available as D6707-06(2011)
- D6776 - Standard Test Method for Determining Anaerobic Biodegradability of Radiolabeled Plastic Materials in a Laboratory-Scale Simulated Landfill Environment (Withdrawn 2011) has been withdrawn, with no replacement. D6776-02
- D6917 - Standard Guide for Selection of Test Methods for Prefabricated Vertical Drains (PVD) has been reapproved, available as D6917-03(2011)
- D7001 - Standard Specification for Geocomposites for Pavement Edge Drains and Other High-Flow Applications has been reapproved, available as D7001-06(2011)
- D7176 - Standard Specification for Non-Reinforced Polyvinyl Chloride (PVC) Geomembranes Used in Buried Applications has been reapproved, available as D7176-06(2011)
- D7178 - Standard Practice for Determining the Number of Constrictions "m" of Non-Woven Geotextiles as a Complementary Filtration Property has been reapproved, available as D7178-06(2011)
- D7239 - Standard Specification for Hybrid Geosynthetic Paving Mat for Highway Applications has been reapproved, available as D7239-06(2011)
- D7240 - Standard Practice for Leak Location using Geomembranes with an Insulating Layer in Intimate Contact with a Conductive Layer via Electrical Capacitance Technique (Conductive Geomembrane Spark Test) has been reapproved, available as D7240-06(2011)
- D7272 - Standard Test Method for Determining the Integrity of Seams Used in Joining Geomembranes by Pre-manufactured Taped Methods has been reapproved, available as D7272-06(2011)
- D7274 - Standard Test Method for Mineral Stabilizer Content of Prefabricated Bituminous Geomembranes (BGM) has been reapproved, available as D7274-06a(2011)
UPDATES FOR JUNE 2011
- WK33799, "Revision of D6528 - 07 Standard Test Method for Consolidated Undrained Direct Simple Shear Testing of Cohesive Soils." According to the rationale: "The standard has an 07 date and is due for review and potential revision. As the technology has changed over the years and we have gained experience there will most likely be some technical revision to the standard."
- WK33730, "Standard Specification for Rigid Cellular Polystyrene Geofoam." This is a work item revision to existing standard D6817-07.
- WK33656, "Test Method for Biaxial Tension Testing of Geosynthetics"
- WK33702, "New Test Methods for Determination of Common Index Properties of a Rolled Erosion Control Product (RECP)"
- WK33689, "New Test Method for Exposure and Retrieval of Samples to Evaluate Installation Damage of Polymer Coated Steel Wire Mesh."
- WK33626, "Standard Test Method for Measuring Mass Per Unit Area of Erosion Control Blankets," is a work item revision to existing standard D6475-06
- WK33628, "Standard Test Method for Determining Water Holding Capacity of Fiber Mulches for Hydraulic Planting," is a work item revision to existing standard D7367-07
- Also of note, Committee D34 on Waste Management has announced the work item WK33648, "Revision of D5759-95(2005) Standard Guide for Characterization of Coal Fly Ash and Clean Coal Combustion Fly Ash for Potential Uses."
NO UPDATES FOR MAY 2011
UPDATES FOR APRIL 2011
- WK32975, "Standard Specification for Non Reinforced PVC (Polyvinyl Chloride) Geomembrane Seams"
- WK32975, "Standard Specification for Rigid Cellular Polystyrene Geofoam"
- D7702, "Standard Guide for Considerations When Evaluating Direct Shear Results Involving Geosynthetics." This new standard guide (It is not a standard practice or standard test method) is intended to assist designers and users of geosynthetics. It is not intended to replace education or experience and should only be used in conjunction with professional judgment
- D5818, "Standard Practice for Exposure and Retrieval of Samples to Evaluate Installation Damage of Geosynthetics." This practice covers standardized procedures for obtaining samples of geosynthetics from a test section for use in assessment of the effects of damage immediately after installation caused only by the installation techniques. The assessment may include physical testing. This practice is applicable to any geosynthetic.
- WK32900, "Standard Practice for Tests to Evaluate the Chemical Resistance of Geotextiles to Liquids"
- WK32870, "Standard Practice for Quality Control of Geosynthetic Clay Liners"
- WK32895, "Standard Test Method for Evaluation of Stress Crack Resistance of Polyolefin Geomembranes Using Notched Constant Tensile Load Test"
- WK32896, "Standard Practice for Tests to Evaluate the Chemical Resistance of Geonets to Liquids"
- WK32897, "Standard Guide for Selecting Test Methods for Experimental Evaluation of Geosynthetic Durability"
- WK32898, "Standard Test Method for Oxidative Induction Time of Polyolefin Geosynthetics by High-Pressure Differential Scanning Calorimetry"
- WK32899, "Standard Test Method for Oxidative Induction Time of Polyolefin Geosynthetics by High-Pressure Differential Scanning Calorimetry"
- D6455, "Standard Guide for the Selection of Test Methods for Prefabricated Bituminous Geomembranes (PBGM)"
- D6767, "Standard Test Method for Pore Size Characteristics of Geotextiles by Capillary Flow Test"
- D5199, "Standard Test Method for Measuring the Nominal Thickness of Geosynthetics"
- WK32756, "Standard Test Method for Determining the Internal and Interface Shear Resistance of Geosynthetic Clay Liner by the Direct Shear Method"
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