The intelligent monitoring system escorts the Hong Kong-Zhuhai-Macao Bridge to withstand the test of a strong typhoon

Hong Kong News Network reported that after the strong typhoon "Sura" hit Zhuhai on September 4, the Hong Kong-Zhuhai-Macao Bridge has now fully resumed traffic.

According to Hong Kong Wenhui.com, the relevant person in charge of the Hong Kong-Zhuhai-Macao Bridge Authority said that the rapid restoration of the bridge was not only due to the fading typhoon and the reliable quality of the bridge construction, but also benefited from the intelligent maintenance and real-time monitoring of the intelligent system during the operation period. , early warning and diagnosis.

Hong kong news network

The design basis of the Hong Kong-Zhuhai-Macao Bridge is wind resistance level 16 or above. The picture shows the artificial island at the Zhuhai-Macao Port of the HZMB. (Photo by Hong Kong Wenhui.com reporter Fang Junming)

Real-time online monitoring and evaluation early warning system

"Sura" made landfall on the coast of Jinwan District, Zhuhai City, about 50 kilometers away from the Hong Kong-Zhuhai-Macao Bridge at 3:30 on the 2nd at the level of a strong typhoon. According to the monitoring of the Hong Kong-Zhuhai-Macao Bridge Management Bureau, the Hong Kong-Zhuhai-Macao Bridge entered the area affected by the wind circle of level 12 that night, and the maximum gust of level 14 was detected on site. The bridge's real-time monitoring and early warning system did not issue an early warning prompt, proving that the bridge is safe.

It is understood that since the Hong Kong-Zhuhai-Macao Bridge was tested by the strong typhoon "Mangosteen" in September 2018, it has actively used 5G, big data, real-time online monitoring and evaluation and early warning systems and other intelligent operation and maintenance methods to carry out bridge maintenance according to technical specifications. Ensure comprehensive detection and accurate diagnosis, and scientifically maintain the health of the bridge.

The Hong Kong-Zhuhai-Macao Bridge has withstood the test of strong typhoons. The picture shows the toll station overlooking the bridge. (Photo by Hong Kong Wenhui.com reporter Fang Junming)

The bridge’s design basis wind resistance is above level 16

The relevant person in charge of the Hong Kong-Zhuhai-Macao Bridge Authority said that when Typhoon Sura passed by, the Hong Kong-Zhuhai-Macao Bridge recorded a maximum gust of level 14, and the Hong Kong-Zhuhai-Macao Bridge was designed to withstand super typhoons with a baseline wind resistance of level 16 or above. . Moreover, inspections after the typhoon also showed that there were no abnormalities on the bridge deck and tunnels. The analysis and evaluation results given by the bridge's structural health monitoring system show that the bridge's electromechanical system and bridge, island, and tunnel structures are not affected, and the main structure of the bridge and ancillary traffic engineering facilities are intact.

Source：Hong Kong News Network