GB/T 42531-2023

Active

Low-heat portland slag cement

低热矿渣硅酸盐水泥

Standard Type
GBT
ICS
91.100.10
CCS
Q11
Status
Active
Issue Date
2023-05-23
Implementation
2023-12-01
Centralized Committee
中国建筑材料联合会
Issuing Authority
国家市场监督管理总局、国家标准化管理委员会

Application Summary AI generated

GB/T 42531-2023 specifies the definition, composition, technical requirements, and testing methods for low-heat portland slag cement, which is designed to minimize heat generation during hydration. It is primarily applied in mass concrete structures such as dams, large foundations, and bridge piers where controlling thermal cracking is critical. This standard ensures consistent quality and performance in construction projects requiring reduced hydration heat.

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.