This Document gives the method and principle of cement autoclave stability test; and stipulates the instruments, equipment, materials, test conditions, specimen molding and maintenance, specimen length measurement, specimen autoclave and result calculation and evaluation. This Document is applicable to the determination of autoclave stability of hardened cement paste. Among them, the test method of 25 mm×25 mm×280 mm specimen is the reference method; and the test method of 25 mm×25 mm×146 mm specimen is the substitute method.
Basic Data
Standard ID
GB/T 750-2024 (GB/T750-2024)
Description (Translated English)
Test method for autoclave expansion of cement
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
Q11
Word Count Estimation
15,135
Date of Implementation
2025-05-01
Older Standard (superseded by this standard)
GB/T 750-1992
Issuing agency(ies)
State Administration for Market Regulation, China National Standardization Administration
