GB/T 23457-2025
UpcomingPre-applied waterproofing sheets
预铺防水卷材
Application Summary AI generated
GB/T 23457-2025 specifies requirements for pre-applied waterproofing sheets used in underground engineering, such as basements and tunnels, where the membrane is installed directly onto the concrete substrate before pouring the structural concrete. It defines test methods for peel strength, shear resistance, and watertightness under hydrostatic pressure, ensuring the sheets bond effectively to the concrete to prevent water ingress. This standard is applied by manufacturers, construction contractors, and testing labs in China for quality control and compliance in civil engineering projects.
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