Damper, is to provide the resistance, reduced energy consumption devices. Energy absorption damping use damping to no new technologies in aerospace, aviation, military, guns, car industry has long been applied in a wide variety of dampers (shock absorbers) vibration energy dissipation. Since in the 1970 of the 20th century, people began to gradually turn these technologies into buildings, bridges, railways and other structures, which develops very fast. Particularly if there is more than 50-year history of hydraulic viscous dampers, in the United States is structural engineering acceptance of previous, experienced a number of experiments, scrutiny, repeated argument, especially the long process of Quake.
As you know, made the attenuation of vibration on friction and other obstacles, we call it damp. Placed on the structure system of "special" widget can provide the resistance, reduced energy consumption devices, known as dampers.
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