The elastic sliding plate bearings isolate earthquakes and reduce the upward- transmitted seismic energy by horizontally sliding the sliding materials on the sliding panels. They possess relatively high vertical bearing capacity and large horizontal deformation capacity. Moreover, the horizontal displacement is not affected by the height of the bearings, and the vertical deformation is limited. They are more suitable for seismic isolation in soft soil sites and are generally used in combination with other rubber isolation bearings. During an earthquake, when the horizontal seismic shear force acting on the bearings exceeds the maximum static friction of the sliding surface, the sliding surface starts to slide. At this time, the horizontal stiffness of the bearings becomes zero, and the seismic isolation function of the elastic sliding plate bearings can be significantly exerted.
Product Advantages
1. Simple Mechanical Model: The structure is relatively simple, and the mechanical model is easy to analyze and design, which facilitates engineers' application and calculation.
2. Good Energy Dissipation Capacity: During an earthquake, the friction work done by the sliding surface consumes a large amount of seismic energy, increases the structural damping, reduces the seismic response, and improves the seismic performance.
3. Stable and Reliable Performance: It is less affected by factors such as velocity and displacement, and the isolation effect is stable under different earthquake working conditions.
4. High Durability: The main components are made of materials that are resistant to corrosion and wear, resulting in good durability, a long service life, and low maintenance costs in the later stage.
It is applicable to all isolated buildings, including but not limited to the following situations:
Lifeline Projects
Schools, kindergartens, hospitals, elderly care institutions, children's welfare institutions, emergency command centers, emergency shelters, radio and television stations, etc.
Major Projects
Airport terminals, museums, exhibition halls, stadiums, LNG storage tanks, nuclear power plants, etc.
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