Seismic devices




The protection of structures subject to the risk of earthquakes only really began

in the middle of the 20th century.

In the majority of cases, structures used passive protection such as shear walls

in buildings or even protection based on the plastification of elements chosen

in advance for bridges. Even though this type of protection allows the structures

to resist design earthquakes and ensure the protection of human lives, after a

high-intensity earthquake it often meant major repairs to the damaged

protective elements.

Modern society no longer accepts that the consequences of earthquakes are

inevitable and the current trend is to equip structures in seismic zones with

special devices that absorb or limit the effects of earthquakes on structures.

This is positive protection.

Using its involvement and experience in the field of construction and works

equipment, Freyssinet has contributed to the development of these seismic

devices and today offers a complete range of special products called

TRANSPEC


These devices can be used alone or in combination to achieve the most efficient

and suitable protection for the project. This protection is based on the three

fundamental operational modes, namely: isolation, connection, dissipation.


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