China: Another swaying Shenzhen SEG Plaza: The Truth About Shock
-Didn’t even have a design drawing-
Global Times:
At around 12:30 pm on June 20, shaking occurred again on the 35th, 55th, and 60th floors of the building.
“The shop staff on each floor shook the water in the cup and the electric fan up and down,” the media reported.
The building management office immediately instructed the people on the upper floors to move out.
Published 20 years ago:
Under these circumstances, a 20-year-old treatise that recorded the construction situation at that time was published.
It is said that the construction of SEG Plaza started before the design drawings were completed.
Shenzhen City
Director of Public Safety Technology Research Institute
Mr. Kinnori
According to the Hongxing Newspaper, the author of the treatise is Mr. Kim Nori, the current director of the Shenzhen City Institute of Public Safety Technology.
Kim published his treatise in January 2001, the year after the building was completed.
He conducted “Evaluation and Analysis of Shenzhen Seg Plaza Construction Project” as a master’s thesis at the Graduate School of Science and Technology of China.
According to the treatise:
To build a skyscraper
Drawings change from time to time,
It hindered stable construction.
further,
Vibration phenomena have already been observed at that time.
The completed structure,
The fact that it has changed has also been confirmed.
Shenzhen City Housing Construction Department:
The vibration, inclination, and subsidence of the building were measured.
As a result, all three indicators were lower than the permissible values, and there were no abnormalities in the measured values.
On the other hand, he reserved the position that the cause of the shaking of the building was “still under investigation”.
Tongji University, China
Department of Structural Disaster Prevention Engineering
Professor Lu Masa
To improve resistance to wind and shock
To install a damper in this building,
Must be considered.
Joongang Ilbo |
https://s.japanese.joins.com/JArticle/278849?sectcode=A00&servcode=A00