高寒区水工混凝土自然养护与快冻法损伤映射方法及系统
By using temperature sensors to acquire internal temperature data in hydraulic concrete in cold regions and constructing an equivalent coefficient function, the mapping problem between indoor rapid freezing tests and freeze-thaw damage under natural conditions was solved, enabling accurate prediction of the lifespan of hydraulic concrete and improving the accuracy of durability assessment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- CHANGJIANG RIVER SCI RES INST CHANGJIANG WATER RESOURCES COMMISSION
- Filing Date
- 2026-06-18
- Publication Date
- 2026-07-17
AI Technical Summary
Existing technologies cannot accurately map the relationship between indoor rapid freezing tests and freeze-thaw damage in natural environments for hydraulic concrete in cold regions, resulting in large deviations in life prediction and making it impossible to accurately assess the freeze-thaw durability of hydraulic concrete.
By acquiring internal temperature change data of hydraulic concrete under natural environment through embedded temperature sensors, an equivalent coefficient function including cooling rate, minimum negative temperature and duration of negative temperature is constructed. Based on hydrostatic pressure theory and damage mechanics, the equivalent damage of natural environment freeze-thaw cycle is calculated and accumulated until the limit damage of indoor rapid freezing method is reached to determine the end of life.
It enables accurate prediction of the freeze-thaw resistance and durability of hydraulic concrete in cold regions, improving the accuracy and reliability of the prediction and providing a scientific basis for durability design and operation and maintenance.
Smart Images
Figure CN122409406A_ABST