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Geosynthetic Materials Testing Standards

Geosynthetic materials testing standards

The development about Geosynthetic materials

Although the formal production and use of geosynthetic materials in China began in the early 1980s, the formulation of various standards for them has been delayed to 1998 after the devastating floods in China.

In that year, as the material played a significant role in flood fighting and emergency rescue, after the flood, leaders of the state council issued written instructions for several times, requiring that geosynthetic materials should be promoted and applied as a priority in repairing the dam and dam. As a result, from the end of 1998, all kinds of relevant standards were successively compiled, approved and published. The published standards can be divided into three categories:

Application technical standard

The rang relates to the design and construction standards of materials in engineering, compiled by relevant engineering standards departments, including the national standard gb50291-98, SL/ t225-98 issued by the ministry of water resources, tb10118-99 issued by the ministry of railways, and JTJ/ t239-98 (water transport engineering) and JTJ/ t019-98 (highway engineering) issued by the ministry of communications. In addition, ctag-97 prepared by China geosynthetics engineering association (code of design for plastic drainage belt foundation)

Production standard  

It Involve various material classification, specification, code, make technology etc. Existing in our country this kind of standard is issued by the standardization institute of Chinese textile national standards contain GB/geosynthetic materials 】 【 T17630 ~ 13 project of 17642-1998, one of the first 8 of the test method for geotextile and related products, after the five standards for geotextile and geomembrane products, need to point out that the standard is adopted the provisions of the international organization for standardization ISO.

In addition, there are national standards for a number of plastic products (Geotextile, composite geotextile, Geomembrane, Geogrid , Geocomposite drain ,GCL , PVD etc.) compiled by the national technical committee for standardization of plastics products.

Testing method standard :

ASTM(American Society for Testing Material) is one of the most famous authorities in the world to establish the standard of Material Testing method. It is a non-governmental non-profit cross-industry organization, whose business scope covers a variety of materials, including rock and geosynthetic materials. The experimental methods and specifications of the above two types of materials in China are mainly based on ASTM standard.

Full standard summary

Today I give s summary for full standard .Wish can help you in this area :

ASTM D4354-99 Preparation of geosynthetic samples

ASTM D4355-07 Standard Test Method for Deterioration of Geotextiles by Exposure to Light, Moisture and Heat in a Xenon Arc-Type Apparatus

ASTM D5045-99 Standard Test Methods for Plane-Strain Fracture Toughness and Strain Energy Release Rate of Plastic Materials …

ASTM D4439-94 Standard Terminology For Geosynthetics

ASTM D4491-99a Standard Test Methods for Water Permeability of Geotextiles by Permittivity , Constant head testing, Drainage, Falling head test,

ASTMD4533-04Standard Test Method for Trapezoid Tearing Strength of Geotextiles

ASTM D4595-05, Standard Test Method for Tensile Properties of Geotextiles by the Wide-Width Strip Method

ASTM D4716-07 Standard Test Method for Determining the (In-plane) Flow Rate per Unit Width and Hydraulic Transmissivity

ASTM D4751-04 Standard Test Methods for Determining Apparent Opening Size of a Geotextile , apparent opening size, capillary porometer, geotextile, glass beads

ASTM D4759-02 Standard Practice for Determining the Specification Conformance of Geosynthetics

ASTM D4833-07 Standard Test Method for Index Puncture Resistance of Geomembranes and Related Products

ASTM D4884-96 Standard Test Method for Strength of Sewn or Thermally Bonded Seams of Geotextiles

ASTM D4843-88 Standard test mehod for wettingb and drying Test for solid Wastes

ASTM D4886-88 Standard Test Method for Abrasion Resistance of Geotextiles (Sand Paper/Sliding Block Method)

ASTM D5101 Standard Test method for measuring the filtration compatibility of soil-Geotextile Systems

ASTM D5141-96 Standard Test Method for Determining Filtering Efficiency and Flow Rate of a Geotextile for Silt Fence Application Using Site-Specific Soil

ASTM D5199-01 Standard Test Method for Measuring the Nominal Thickness of Geosynthetics

ASTM D5262-07 Standard Test Method for Evaluating the Unconfined Tension Creep and Creep Rupture Behavior of Geosynthetics , creep rupture,

ASTM D5321-02 Standard Test Method for Determining the Coefficient of Soil and Geosynthetic or Geosynthetic and Geosynthetic Friction by the Direct Shear Method

ASTM D5322-98 Standard Test Method for laboratory Immersion Procedures for Evaluating the chemical Resistance of Geosynthetics to Liquids

ASTM D5261-92 Standard Test Method for Measuring Mass per Unit Area of Geotextiles

ASTM D5323-92 Standard Practice for Determination of 2% Secant Modulus for Polyethylene Geomembranes

ASTM D5397-07 Standard Test Method for Evaluation of Stress Crack Resistance of

Polyolefin Geomembranes Using Notched Constant Tensile Load test

ASTM D5493-06 Standard Test Method for Permittivity of Geotextiles Under Load

ASTM D 5494-9 Standard Test Method for the Determination of Pyramid Puncture Resistance of Unprotected and Protected Geomembranes

ASTM D5496-98(2003) Standard Practice for In Field Immersion Testing of Geosynthetics

ASTM D5514-94(2001) Standard Test Method for Large Scale Hydrostatic Puncture Testing of Geosynthetics

ASTM D5567-94 (2001) Standard Test Method for Hydraulic Conductivity Ratio (HCR) Testing of Soil/Geotextile Systems

ASTM D5617-04 Standard Test Method for Multi-Axial Tension Test for Geosynthetics

ASTM D5641-94 Standard Practice for Geomembrane Seam Evaluation by Vacuum Chamber

ASTM D5721-95(2002) Standard Practice for Air-Oven Aging of Polyolefin Geomembranes

ASTM D5747-95a(2002) Standard Practice for Tests to Evaluate the Chemical Resistance of Geomembranes to Liquids

ASTM D5885-06 Standard Test Method for Oxidative Induction Time of Polyolefin Geosynthetics by High-Pressure Differential Scanning Calorimetry

ASTM D5886-95(2011) Standard Guide for Selection of Test Methods to Determine Rate of Fluid Permeation Through Geomembranes for Specific Applications

ASTM D5887-04 Standard Test Method for Measurement of Index Flux Through Saturated Geosynthetic Clay Liner Specimens Using a Flexible Wall ASTM D5888-06 ASTM D5888-06 Permeameter Standard Guide for Storage and Handling of Geosynthetic Clay Liners

ASTM D5889-97 Standard Practice for Quality Control of Geosynthetic Clay Liners

ASTM D5891-02(2009) Standard Test Method for Fluid Loss of Clay Component of Geosynthetic Clay Liners

If you need more Geotextile Testing Equipment.please send email [email protected].

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