GB/T 23457-2017

Active

Pre-applied waterproofing sheets

预铺防水卷材

Standard Type
GBT
ICS
91.120.30
CCS
Q17
Status
Active
Issue Date
2017-12-29
Implementation
2018-11-01
Centralized Committee
中国建筑材料联合会
Issuing Authority
中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会

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.

Related Standards

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.