GB/T 750-2024

Active

Test method for autoclave expansion of cement

水泥压蒸安定性试验方法

Standard Type
GBT
ICS
91.100.10
CCS
Q11
Status
Active
Issue Date
2024-10-26
Implementation
2025-05-01
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

This standard specifies the test method for determining the autoclave expansion of cement, which evaluates the soundness of cement by measuring its volume stability under high-pressure steam conditions. It is applied in the construction industry for quality control of cement used in concrete structures, particularly to detect delayed expansion caused by free lime or magnesia that could lead to cracking. The test is critical for ensuring the long-term durability of cement in large-scale infrastructure projects like bridges, dams, and high-rise buildings.

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.