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VIDEO/ The Japanese one step ahead, construction technology for the ultimate earthquake protection

2023-02-16 08:57:39Kosova&Bota SHKRUAR NGA REDAKSIA VOX

VIDEO/ The Japanese one step ahead, construction technology for the ultimate

Due to the major disaster in Turkey, the debate about the highest anti-seismic protection of buildings based on the existing technology comes to the fore. 

According to the common narrative, it is the Japanese who are considered pioneers in the construction of skyscrapers, which are based on special dampers. 

These "shock absorbers" allow buildings to move, suppressing controlled oscillations, thanks to which energy is absorbed by the shaking ground.

The knowledge and methodology of the Japanese, which has existed and evolved for decades to date, is presented in a short video, which is circulating on Twitter. 

This is a clip from some show, but the important thing is that the viewer sees the basement of a real building, the columns of which rest on pedestals and pendulum-type dampers.

The building in question is located in Los Angeles, USA, in a particularly seismic area, California.

 It is the headquarters of the Emergency Operations Center of the California Civil Defense Agency and, as the head of the Center, Chris Ibsen, explains, for the highest possible anti-seismic protection of the building, two types of shock absorbers were used.

The first and most impressive is in the form of two hollow, elliptical bases, which separate the columns of the structure at their anchor point in the concrete footings. Ibsen explains that the pedestals are placed on the ground, founded at a depth of 10-12 meters. 

Half of the hollow sliding surface is attached to them. The other part, the twin of the mechanism, is placed vertically, while between the two parts there are spherical bearings, i.e. a type of bearing.


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