Symbolizing the “Shenzhen speed”, the Shenzhen landmark Sage Building, located in the immediate vicinity of Hong Kong, was unexpectedly shaken on May 18, 19, 20 consecutive shaking, and had to be urgently closed on the 21st to investigate the cause. Sage building shaking, but also attracted the attention of overseas public opinion.
The building, which was praised as “building a floor in 2.7 days” and set the “Shenzhen speed” to present a gift to the 50th anniversary of the Communist Party of China, has raised serious questions.
Located at the busy intersection of Shennan Middle Road and Huaqiang North Road, the Sage Plaza building was completed in 1999 with a total height of 355.8 meters and 79 floors, 75 above ground and 4 underground, with a total construction area of 170,000 square meters.
According to the United Morning Post quoted Chinese media reports, after the building shaking on the 18th, the official convened an expert meeting, and finally informed: “by the expert site inspection and meeting research and judgment, the main structure of the Sage Building is safe, the internal structure is solid, and various ancillary facilities are intact.” Some people summarized the spirit of the briefing as: no abnormality, safety, shaking is related to the interaction of multiple factors (wind, subway, temperature), etc. to reassure people. But the next day, the building shook again. On the third day, it shook again.
Video circulated on social networks Tuesday showed hundreds of passersby running in panic through the downtown streets, trying to stay away from the perimeter of the towering, modern skyscraper, AFP reported.
The U.S. consulate in Guangzhou warned U.S. citizens to avoid entering or approaching the area around the building because of “insufficient information to assess security risks,” the consulate said on Sunday. The building’s developer, Shenzhen Saige Group, waited until the third shake on the 20th and finally issued a notice suspending access for all owners, merchants and tenants from 00:00 today (21), to be opened in an orderly manner after the completion of relevant testing work.
There are reports that: the skyscraper was once the third highest in Shenzhen, when the creation of 2.7 days a floor “Shenzhen speed”. Shenzhen before the 1980s was a small fishing village near Hong Kong, near the water to get the moon, with Hong Kong location, as well as Deng Xiaoping’s open policy, Shenzhen in China’s first batch of special zones to open up the rapid rise.
The rise of building after building, the population of tens of thousands to ten million, and the swaying of the Sage Tower, has raised questions about the sustainability of the development of this once miraculous Shenzhen speed.
Some critics also believe that the speed of Shenzhen back then is not anti-science, the leader gave an order, the building uprooted? Certain skyscrapers continent, for the sake of speed and low cost, the result bought today’s safety hazards. Others criticize: domestic building a building, more than two years even if the rotten building, bridges are also, a few months to build, a few years collapsed in an accident, Europe to repair bridges, a few years to complete, more than a hundred years can still be used, the domestic can?
After the incident, Huazhong University of Science and Technology, a 20-year-old master’s thesis “Shenzhen Saige Square Construction Project Review” went viral, the author of the thesis Jin Dianqi pointed out that the year as a landmark building in Shenzhen Saige Building, the construction of some of the problems, such as the side of construction to modify the design, construction first after the design, the design did not finish the construction began.
The paper also revealed that the construction often stopped and other drawings and reworked after the construction according to the drawings, and this phenomenon of design and construction continued until the construction of the structure of Saige Square was completed. The paper also mentioned that one of the most serious consequences of design-and-construction occurred on the top antenna. After the steel structure was topped out on April 8, 1999, the construction of the antenna part was not completed until September 30 of the same year. When everyone was relaxed and happy to celebrate the National Day of the Communist Party, the ground pedestrians found the antenna of Saige Square was swaying violently, when Shenzhen was windy and sunny with only breeze, it turned out that the antenna’s design calculation error caused resonance.
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