A freeze-thaw adaptive pre-stressed cable system
By introducing a temperature-sensitive memory alloy spring and a freeze-thaw adaptive prestressed anchor system with antifreeze micro-expansion cement-based composite grout into the anchor cable, the problem of prestress loss caused by freeze-thaw cycles in high-altitude and cold regions caused by traditional anchor cables is solved, and a long-term stable slope reinforcement effect is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- TIANFU YONGXING LAB
- Filing Date
- 2026-04-29
- Publication Date
- 2026-07-17
AI Technical Summary
Traditional prestressed anchor cables are prone to prestress loss due to freeze-thaw cycles in cold regions, resulting in a short service life and a lack of self-adjustment capabilities, which leads to a decrease in the reliability of slope reinforcement and the need for frequent maintenance.
A freeze-thaw adaptive prestressed anchor cable system is formed by using a temperature-sensitive memory alloy spring and a freeze-thaw-resistant micro-expansion cement-based composite grout, combined with a double-layer heat insulation and anti-corrosion structure. The temperature-mechanical adaptive response is achieved through the phase change characteristics of the temperature-sensitive memory alloy spring, which compensates for the tension changes caused by freeze-thaw cycles.
It significantly improves anchoring reliability and service life, and can adaptively adjust freeze-thaw deformation in cold environments, extending the life of anchor cables to more than 50 years, reducing engineering costs and safety risks.
Smart Images
Figure CN122406741A_ABST