GB/T 40441-2021
ActiveDrainage mats
导排水垫
Application Summary AI generated
GB/T 40441-2021 specifies the technical requirements, test methods, inspection rules, and marking for drainage mats made of rubber or plastic materials. It is applied in civil engineering and construction projects, particularly for underground drainage systems, green roofs, and retaining walls, where these mats facilitate water collection and removal while preventing soil erosion. The standard ensures product performance in terms of compressive strength, hydraulic conductivity, and durability under various environmental conditions.
Related Standards
GB/T 7141-2008
Plastics—Methods of heat aging
GB/T 9350-2003
Plastics--Homopolymer andcopolymer resins of vinyl chloride--Determination of pH of aqueous extract
GB/T 19276.1-2003
Determination of the ultimate aerobic biodegradability of plastic materials in an aqueous medium--Method by measuring the oxygen demand in a closed respirometer
GB/T 19276.2-2003
Determination of the ultimate aerobic biodegradability of plastic materials in an aqueous medium--Method by analysis of evolved carbon dioxide
GB/T 12004.4-2003
Polyvinyl chloride paste--Determination of apparent viscosity by the Brookfield test method
GB/T 19275-2003
Evaluation of the potential biodegradability and disintegration of plastic materials by the action of the specific microorganisms
GB/T 12000-2003
Determination of the effects of exposure to damp heat,water spray and salt mist for plastics
GB/T 17931-2003
Poly(ethylene terephthalate)(PET)resin for bottles
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.