Thursday, July 15, 2021

Chinese investigators say they figured out what was causing the 72-floor skyscraper's mysterious shaking


The 350-metre (1,150-feet) landmark skyscraper in the Huaqiangbei electronics district began swaying on the afternoon of May 18, prompting authorities to evacuate thousands of people from the building. It was closed for safety inspections after more tremors were reported in the following days.


The main cause of mysterious shaking in the SEG Plaza in Shenzhen two months ago was a “vortex-induced resonance” from two long masts on top of the building, say investigators.


After removing the masts, the SEG Plaza . . . will no longer be among the city’s 10 tallest skyscrapers.