GB/T 750-1992

Abolished

Autoclave method for soundness of portland cement

水泥压蒸安定性试验方法

Standard Type
GBT
ICS
91.100.10
CCS
Q11
Status
Abolished
Issue Date
1992-09-28
Implementation
1993-06-01
Centralized Committee
中国建筑材料联合会
Issuing Authority
国家技术监督局

Application Summary AI generated

This standard specifies the autoclave test method for evaluating the soundness of Portland cement, which detects potential delayed expansion caused by free lime or magnesia in hardened cement paste. It is applied in cement production quality control and construction material testing to ensure that cement will not undergo destructive volume changes after long-term exposure to moisture or high-temperature curing. The method is critical for verifying cement stability in infrastructure projects like bridges, dams, and high-rise buildings where structural integrity is paramount.

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.