Metal damper

The metal damper uses the mild steel as the shear plate, and takes advantage of its advantages of low yield strength and good ductility. Compared with the main structure, it can enter the yield earlier, so that the cumulative plastic deformation after yielding of the mild steel can be used to achieve the loss. The effect of dispersing seismic energy.
Metal dampers can be widely used in the seismic reinforcement of existing buildings and the reinforcement and repair of earthquake-damaged structures. Compared with traditional reinforcement methods, they can significantly save costs and shorten construction periods. Metal shear dampers are also very suitable for new buildings. According to the performance goals of the structure, they can play the role of energy dissipation and shock absorption under moderate or large earthquakes, which can greatly reduce the seismic response and save the amount of steel used in the structure. The metal shear damper uses the shear deformation of the energy dissipation sheet under the action of earthquake to provide damping to achieve the purpose of dissipating the energy input into the main structure. The installation of the damper is fixed by connecting the connecting plate to the embedded parts in the main components (beams, buttresses, walls). The construction process includes the installation of embedded parts and the connection of dampers. The installation sequence considers that the damper does not bear vertical force and should be installed in the order of lower-up-middle and rear-installed dampers, but it is not easy to construct, and it can also be installed in the order from bottom to top.

Features Large lateral stiffness, high ductility ratio, high material utilization rate and good economy.
Contact Us

Founded in 2016

Zhejiang Earthquake Prevention Technology Co., Ltd. is a holding subsidiary established by Hangzhou Diping Zhenan Technology Co., Ltd. in September 2020. Zhejiang Zhenfang Technology Co., Ltd. has a registered capital of 26 million yuan, its own factory building covers an area of 10,800 square meters, and the standard factory building area is 6,000 square meters. With the great help of the Institute of Engineering Mechanics of China Earthquake Administration, the company has established a technical team led by domestic experts in seismic reduction and isolation technology, which has laid a solid foundation for long-term development in the future.
Zhejiang Earthquake Prevention Technology Co., Ltd is a member of China Disaster Prevention Association. Famous Metal damper manufacturers and suppliers in China, we provide Metal damper for better Shock Absorption system.

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product ADVANTAGE

  • Friction damper

    It mainly includes the middle steel plate, the two outer steel plates and the friction material between the steel plates.

  • Simple mechanical model

    Simple and easy analysis and design of structural vibration reduction.

  • Simple structure and low cost

    Even large earthquakes are not damaged, so there is no need to replace.

  • Damping

    The hysteresis curve is basically rectangular.

  • Stable performance

    Velocity correlation, displacement correlation is small.

  • Good durability

    No post-maintenance required.

  • Energy absorption

    Vertical bearing capacity, horizontal restoring force, damping (energy absorption) trinity.

  • Damping ratio

    Improved rubber formula, the equivalent damping ratio can reach more than 12%.

  • Maintenance costs

    Low maintenance and management costs (no additional damping devices required).

  • Environmental friendly

    HDR high damping rubber has low temperature dependence and is widely used in different climatic regions.

  • Creep properties

    HDR high damping rubber has the same superior deformation performance as natural rubber.

  • Aging resistance

    The surface of the high damping bearing is covered with a rubber protective layer to protect the internal rubber from ozone and ultraviolet rays.

  • Viscous resistance

    It is a kind of damper related to stiffness and speed.

  • Widely used

    It is used in high-rise buildings, bridges, seismic reconstruction of building structures and other fields.

  • Airbag

    The damper absorbs and dissipates the impact energy of the earthquake on the building structure to the maximum extent.

  • Silicone oil medium

    The medium has a small viscosity temperature coefficient, and good radiation resistance.

  • Electrical insulation properties

  • Ozone resistance, corona resistance