| 摘要 |
The invention is a damper and a method for protecting buildings and similar structural systems from dynamic loading such as loading caused by earthquake s, strong winds or machine vibrations. More specifically, the damper is made fr om structural members being interconnected in frictional or visco-elastically dampened rotational joints. Due to the dampening of the joints, relative movement between the structural elements is dampened. In particular, the damper is useful for base isolation, e.g. in order to allow a building or a machine to move in a dampened movement relative to its foundation or in orde r to allow a cable stay of a cable stay bridge to move in a dampened movement relative its fixation point on the bridge.
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