On May 15, 2020, Guangzhou, Humen Bridge resumed traffic. On May 5, the suspension bridge of Humen Bridge had obvious vertical bending vibration phenomenon, the bridge management started the emergency plan, and the joint traffic police department took two-way traffic control measures. On May 6, the expert working group of the Ministry of Transport went to the Humen Bridge on-site for guidance in time. The Guangdong Provincial Department of Transportation and the Provincial Communications Group have successively invited well-known experts in the Mainland to review the comprehensive inspection, detection and safety assessment report of the suspension bridge, analyze and judge the causes of vibration, and discuss the vibration suppression plan. The bridge manager immediately organized the design, inspection, construction and other units to conduct a comprehensive inspection, detection and safety assessment of the suspension bridge, commissioned three universities to carry out wind resistance research in parallel, and the design unit took the lead to work with the inspection, three universities, and construction units Analyze the causes of vibration and study and demonstrate the measures to suppress vibration. Image source: Visual China

Release time: 2020-05-15 15:42:32 [Editor: Zhai Lu]