Seismic Hydraulic Protection Devices

Lock-Up Devices & Viscous Damper

These tools are designed in two different types to provide displacement control or force (load) control according to the need of the structure. They are also very effective against the vibrations generated by wind loads without altering the stiffness of the structure. They are used in many buildings such as hospitals, schools, housing, and bridges. These systems create a temporary rigid connection between the structural elements of the structures under large loads, such as seismic loads, brake loads, etc. The hydraulic devices are placed between the bridge beams or piers to allow load transfer. In this way, the load is divided into the whole structure instead of a small area. Under small and long-term loads such as thermal expansion, shrinkage and contraction, the seismic hydraulics remain passive and allow the structure to move. The installation of seismic devices is easy and economically advantageous in repairing and strengthening existing structures.

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