Cup bearings in earthquake-resistant structures

Cup Bearings in Earthquake-Resistant Structures

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In the field of earthquake-resistant structures, cup bearings play a crucial role in ensuring the stability and safety of buildings. These innovative bearings, also known as elastomeric isolation bearings, provide a unique solution for mitigating the damaging effects of seismic forces on structures.

Understanding Cup Bearings

Cup bearings, made from a combination of rubber and metal, are designed to absorb and dissipate the energy generated during an earthquake. They consist of a concave cup-shaped metal plate, which serves as the base, and a rubber layer that acts as a flexible cushion. The rubber material used in cup bearings exhibits excellent elasticity and damping properties, allowing it to absorb seismic energy and isolate the structure from ground motion.

Benefits of Cup Bearings

1. Seismic Isolation: Cup bearings are specifically engineered to provide seismic isolation, minimizing the transmission of earthquake forces to the structure. This isolation helps protect the building and its occupants from potential damage and ensures the structural integrity.

2. Enhanced Structural Performance: By effectively dissipating seismic energy, cup bearings reduce the overall load on the structure, thus improving its stability and performance during an earthquake.

3. Smooth and Controlled Movement: Cup bearings allow the structure to move horizontally and rotate slightly during an earthquake, providing flexibility without compromising safety.

Applications of Cup Bearings

Cup bearings find widespread applications in earthquake-resistant structures, including:

  • High-rise buildings
  • Bridges and viaducts
  • Industrial facilities
  • Power plants
  • Hospitals
  • Stadiums and arenas

Cup Bearings Application Image


In conclusion, cup bearings are an essential component of earthquake-resistant structures, providing effective seismic isolation and ensuring the safety and stability of buildings during earthquakes. Their ability to absorb and dissipate seismic energy makes them a reliable choice for architects and engineers in designing structures that can withstand the forces of nature.

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Author: Czh

About Our Company

Our company holds a leading position in the bearings market in China. We offer a wide range of high-quality products, including cage bearings, shielded bearings, track bearings, plastic rollers with bearings, ball bearing rollers, sliding bearings, and cup bearings. With 300 sets of automatic CNC production equipment and fully automated assembly equipment, we ensure precision and efficiency in manufacturing.

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We take pride in our superior products, competitive prices, and exceptional customer service. We welcome customization based on customer requirements, providing tailored solutions to meet their specific needs. Explore our range of high-performance bearings and experience the reliability and durability they offer.

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