This standard specifies the product classification, specification, code, technical requirements and quality evaluation, test methods, inspection rules as well as packaging, marking, transportation and storage of geocomposites made of geononwoven and geomembrance.
This standard is applicable to geocomposites made of geononwoven and geomembrance, taking geononwoven as base material, and polyethylene, polyvinyl chloride and the like as membrane material.
2 Normative References
The following documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding any corrigendum), or revisions of, any of these publications do not apply. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. For any undated references, the latest edition of the document referred to applies.
GB/T 4667 Textiles - Woven Fabrics - Measurement of Width of Pieces (GB/T 4667-1995, eqv ISO 3932:1976)
GB/T 13760 Geotextiles - Sampling and Preparation of Test Specimens (GB/T 13760-1992, eqv ISO 9862:1990)
GB/T 13761 Geotextiles - Determination of Thickness (GB/T 13761-1992, eqv ISO 9863:1990)
GB/T 13762 Geotextiles - Determination of Mass per Unit Area (GB/T 13762-1992, eqv ISO 9864:1990)
GB/T 13763 Geosynthetics - Determination of Trapezoid Tearing Force
GB/T 14800 Test Method for Determining the Puncture Resistance of Geotextiles
GB/T 15788 Geotextiles and Geotextile-related Products - Wide-width Tensile Test (GB/T 15788-2005, ISO 10319:1993, MOD)
GB/T 16422.1~16422.3 Plastics - Methods of the Exposure to Laboratory Light Sources
GB/T 16989 Geotextiles - Tensile Test for Joints/Seams by Wide-width Method (GB/T 16989-1997, neq ISO 10321:1992)
GB/T 17598 Geotextiles and Geotextile-related Products - Determination for Thickness of Single Layers of Multilayer Products
GB/T 17630 Geotextiles and Geotextile-related Products - Dynamic Perforation Test (Cone-drop Test)
GB/T 17631 Geotextiles and Geotextile-related Products - Test Method for Determining the Resistance to Oxidation
GB/T 17632 Geotextiles and Geotextile-related Products - Test Method for Determining the Resistance to Liquids of Acids and Bases
GB/T 17633 Geotextiles and Geotextile-related Products - Determination of Water Flow Capacity in Their Plane
GB/T 17635.1 Geotextiles and Geotextile-related Products - Determination of Friction Characteristics - Part 1: Direct Shear Test
GB/T 17636 Geotextiles and Geotextile-related Products - Determination of Abrasion Resistance - Sand Paper/Sliding Block Method
GB/T 17637 Geotextiles and Geotextile-related Products - Determination of the Tensile Creep and Creep Rupture Behaviour
GB/T 19978 Geotextiles and Geotextile-related Products - Determination of the Puncture Resistance
GB/T 19979.1 Geosynthetics - Penetration Resist Property - Part 1: Determination of Static Hydraulic Pressure
GB/T 19979.2 Geosynthetics - Penetration Resist Property - Part 1: Determination of Penetration Coefficient
FZ/T 01010 Coated Fabrics - Determination of the Coating Adhesion Strength
3 Product Classification, Specification and Code
3.1 Product classification
Geocomposites made of geononwoven and geomembrance may be classified according to the following methods:
——According to base material: synthetic staple fibers needlepunched geocomposites made of geononwoven and geomembrance and synthetic filament spunbond and needlepunched geocomposites made of geononwoven and geomembrance;
——According to membrane material: composite geomembranes made of polyethylene (PE), polyvinyl chloride (PVC) and chlorinated polyethylene (CPE), etc.;
——According to structure: composite geomembranes of one fabric and one membrane, two fabrics and one membrane, one fabric and two membranes, two fabrics and two membranes, multiple fabrics and multiple membranes, etc.
