【Causes of Vortex Vibration of Humen Bridge】 According to expert analysis, water horses are the cause of vortex vibration. The structure of Humen Bridge is safe, and related vibration suppression measures are being studied and implemented.
A little more news
On May 5, the Humen Bridge experienced abnormal shaking. Guangdong Humen Bridge Company issued a notice on the 5th that the Humen Bridge was affected by the wind speed of the main bridge and caused vortex vibration. In order to ensure the safety of passengers and passengers and bridge structures, from 15:20 on the 5th, Humen Bridge will be closed to traffic.
Guangdong Provincial Communications Group said that it has organized maintenance technicians to inspect the bridge and experts to judge. According to preliminary understanding, the main structure of the bridge has not been damaged, and the specific reason is under investigation.
According to the Humen Bridge Company, the suspension of the Humen Bridge suspension deck was relatively large on the day, and the amplitude was relatively obvious, which caused discomfort to the traffic. In order to ensure the safety of traffic, Guangzhou and Dongguan traffic police have adopted traffic control measures to close the two-way traffic of the suspension bridge.
Starting from 15:20, Humen Bridge Co., Ltd.'s joint traffic police implemented full-enclosed traffic control on the main line, Taiping Interchange Station and other entrances; and remotely shunted the relevant sections of the Guangzhou (Shenzhen) Shenzhen Expressway along the Yangtze River and the Guangzhou-Shenzhen Expressway.
At 16:06, the Humen Bridge Company launched the first-level response of the "Humen Regional Cross-river Bridge Emergency Protection Smoothing Linkage Plan". The entrances of the Taiping Interchange, Weiyuan A Station, and Nansha B Station were all closed traffic control, and vehicle diversion was implemented.
Professionals from Humen Bridge introduced that it is normal for bridges to sway in special wind conditions. Generally, the swaying of the bridge deck is relatively large. In order to ensure the safety of passengers and passengers, the traffic police have closed the Humen Bridge in both directions. Please do n’t panic, the public will release relevant information based on the test results.