GB/T 23457-2017
ActivePre-applied waterproofing sheets
预铺防水卷材
Application Summary AI generated
GB/T 23457-2017 specifies the classification, requirements, test methods, inspection rules, and marking for pre-applied waterproofing sheets used in underground engineering and building basements. It is applied in the construction industry for waterproofing concrete structures where the membrane is installed prior to concrete pouring, forming a permanent bond with the setting concrete to prevent water ingress. This standard ensures product performance in critical applications like subway tunnels, foundation pits, and retaining walls.
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