全球首例“拼宽”大桥

Core Points - The world's first "widening" bridge will be constructed in the Guangdong-Hong Kong-Macao Greater Bay Area, enhancing traffic efficiency between cities on the west and east banks of the Pearl River [1] - The project, known as the connection section project, will start construction and is expected to be completed by 2027 [1] - The project includes the widening of two bridges and the renovation of one interchange, with a total length of 2033 meters [1] Group 1 - The main focus of the connection section project is the renovation of the South Zhong Bridge, which will be widened by 2.25 meters on each side to accommodate eight lanes of traffic [2] - The project aims to avoid mismatched traffic capacity between the Lion Ocean Channel and the Guangzhongjiang Expressway, which previously did not connect directly [2] - The South Zhong Bridge renovation is noted as the world's first central cable-stayed bridge widening project, utilizing a complex structure that has no precedent in domestic or international engineering [2] Group 2 - The Lion Ocean Channel project is a significant engineering endeavor, featuring a total length of approximately 35 kilometers and comprising 16 lanes across two levels [2] - The construction of the Lion Ocean Bridge's east main tower has reached a height of 171.1 meters, marking a significant milestone in the project [2] - The project is positioned as a major infrastructure development within the Guangdong-Hong Kong-Macao Greater Bay Area [2]