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      2. Engineering Case
        Five Bridges of the Yangtze River
        Nanjing Jiangxinzhou Yangtze River Bridge in Nanjing, the project is called "Nanjing Yangtze River Meizizhou River Crossing Channel", also known as "Nanjing Yangtze River Fifth Bridge", is a bridge connecting Pukou District and Jianye District in Nanjing City, Jiangsu Province, China The river crossing channel, located on the Yangtze River waterway, is an important part of the first ring of the expressway in Nanjing's "fastest road system", and it is also the world's first light-weight steel-concrete cable-stayed bridge.
        Shenzhen-Zhongshan Bridge
        The Shenzhong Link, also known as the "Shenzhong Bridge", is a bridge under construction connecting Shenzhen and Zhongshan in Guangdong Province, China. It starts from Hezhou Interchange in Bao'an District, Shenzhen in the east and ends at Hengmen Hub in Zhongshan City in the west, with a total length of 24 kilometers. , of which there is a 6.8-kilometer-long immersed tunnel; the design speed of the deep-medium tunnel is 100 kilometers per hour. It is an integral part of Shenzhen-Cenxi Expressway (National Expressway G2518) of China's national expressway network.
        The Main Channel of Ningbo Port

        Longtan Yangtze River Bridge
        Longtan Yangtze River Bridge is a river-crossing channel connecting Qixia District of Nanjing City and Yizheng City in Jiangsu Province, China. An important part of the highway is an important transportation facility for the integration of Nanjing, Zhenyang, and Nanjing. It plays an important role in promoting the integrated development across the river, promoting the construction of the Yangtze River urban agglomeration, accelerating the integration process of Ningzhenyang, and further enhancing the primacy of Nanjing.
        JingTai Expressway Tuhai River Bridge
        The Tuhai River Bridge is a key node project of the reconstruction and expansion project of the Dezhou-Qihe section of the Beijing-Taiwan Expressway. The total length is 997 meters. The length of the long pile foundation is 110 meters, and the main bridge is formed by a single-box double-chamber corrugated steel web variable-section prestressed concrete continuous beam structure.
        Huangmaohai Cross-sea Bridge
        The Huangmaohai Cross-sea Passage starts from Gaolan Port District, Zhuhai City, Guangdong Province, connects to the Hong Kong-Zhuhai-Macao Bridge in the east, connects Xintai Expressway to the west and intersects with the Western Coastal Expressway, and ends at Doushan Town, Taishan City, Jiangmen City. The total length of the route is about 31 kilometers. It adopts the standard of two-way 6-lane expressway, with a design speed of 100 kilometers per hour and a designed service life of 100 years. The approved construction period is 4 years, and it is expected to be completed and opened to traffic in 2024.
        Humen Second Bridge
        Humen Second Bridge, now known as Nansha Bridge, is a sea-crossing bridge connecting Nansha District of Guangzhou City and Shatian Town of Dongguan City in Guangdong Province, China. After the Zhuhai-Macao Bridge, another world-class bridge project in the Pearl River Delta.
        Fulong Xijiang Bridge Foshan
        Foshan Fulong Xijiang Bridge has a total length of 1770.6 meters and a main span of about 500 meters. The superstructure of the bridge is composed of approach bridge P.C. small box dyeing + main bridge cable-stayed bridge. Dyeing + concrete dyeing), the main beam of the main bridge adopts UHPC steel-concrete composite beam.
        Binzhou Bridge
        Binzhou Yellow River Bridge is the Yellow River Highway Bridge with the longest span in my country, with a total length of 17,600 meters, of which the bridge is 3,325 meters long and 21.5 meters wide. The roadway on the bridge deck is 9 meters wide, the sidewalks on both sides are 1.5 meters wide, and there is a fourth-level waterway under the bridge. The bridge body has 12 holes and 125 piers. The bridge is divided into two parts: the main bridge and the approach bridge. The north-south connection is 4.8 kilometers long.
        Beijing Chaoyang Park Project
        Beijing Chaoyang Park Cross River Bridge
        The two river-crossing bridge reconstruction projects have transformed the two river-crossing bridges into top-loaded arch bridges through operations such as gravel, dredging, and building new pile foundations and bridge decks to increase the clearance under the bridges, so that the two bridges are capable of passing ships. ability. After the completion of the two bridges across the river, it will further enhance the effect of Liangma River's international style waterfront landscape, improve the road performance of Chaoyang Park and Maizidian Road, and effectively solve the problem of pedestrian crossing the street. Citizens can also enjoy the Ma River by boat and appreciate the history. Culture and fashion international fusion waterscape.
        The Macao Taipa Bridge
        Article 4 The construction cost of the Macau-Taipa Sea-Crossing Bridge is about 5.27 billion patacas, with a total construction period of 1,098 working days, and the project will be completed in January 2024. Article 4 The Macau-Taipa Sea-Crossing Bridge starts from the east side of the reclamation area A of Macau New Town, connects with the artificial island of the Hong Kong-Zhuhai-Macao Bridge port, and goes to the reclamation area E1 of the Macau New Town. The main line of the bridge is about 3.1 kilometers long, of which the sea-crossing section is about 2.9 kilometers long. There are two navigation bridges with a span of 280 meters.