桥梁建设与运营

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胶州湾大桥2.58亿次通行背后:环湾通途串起大青岛发展新格局
Qi Lu Wan Bao Wang· 2025-07-07 06:38
Core Viewpoint - The successful construction and operation of the Jiaozhou Bay Bridge have significantly contributed to the economic and social development of Qingdao and the surrounding areas, transforming the region's transportation landscape and enhancing connectivity [1][4]. Group 1: Construction and Technical Achievements - The Jiaozhou Bay Bridge, completed in four years, was initially doubted by international experts regarding its quality and timeline, but it became a landmark project in Qingdao's urban development [2][3]. - The bridge involved 45 technical challenges, including anti-freezing and corrosion resistance, and set multiple industry records, filling gaps in both national and global bridge construction standards [3]. - It has received numerous awards, including one national-level award and 20 provincial-level awards, showcasing its engineering excellence and innovation [3]. Group 2: Economic Impact and Connectivity - The bridge has established a comprehensive and efficient transportation system in the Qingdao metropolitan area, facilitating seamless connections among the three coasts and four cities [4]. - Implementation of point-to-point toll discounts and differentiated charging policies has significantly reduced travel costs for over 26 million vehicles, enhancing logistics efficiency and promoting regional economic growth [4]. Group 3: Maintenance and Technological Integration - The bridge has maintained a high performance index (PQI) of over 95, with no major repairs in 14 years, demonstrating effective long-term maintenance strategies [5][6]. - Advanced technologies, including drone inspections and real-time monitoring systems, have been integrated into the bridge's maintenance, improving detection efficiency and overall safety [6]. Group 4: Cultural and Social Significance - The Jiaozhou Bay Bridge has become a cultural icon, featured in various films and recognized for its aesthetic and engineering significance, attracting tourists and enhancing the city's image [7]. - It symbolizes the transformation from a "super project" to an economic engine, reflecting the aspirations and achievements of the region over the past 14 years [7].
港珠澳大桥再破“千万纪录”见证大湾区融合加速度
Xin Hua Wang· 2025-04-30 03:53
Core Insights - The Hong Kong-Zhuhai-Macao Bridge has achieved a record of over 10 million passenger crossings in 2025, marking an increase of over 18.9% year-on-year, demonstrating the accelerated integration of the Guangdong-Hong Kong-Macao Greater Bay Area [1] - The bridge has become a vital artery for personnel and goods movement in the Greater Bay Area, with daily vehicle flow exceeding 15,000 since its opening in October 2018 [2] - The bridge facilitates efficient cross-border logistics, significantly reducing transportation time and costs for businesses, thus enhancing the region's economic connectivity [2][3] Passenger and Vehicle Flow - The bridge's Zhuhai port has recorded over 30 days this year with daily passenger flow exceeding 100,000, doubling the figures from the same period in 2024 [1] - The average daily vehicle flow has reached over 15,000, reflecting the bridge's role in creating a "one-hour living circle" in the Greater Bay Area [2] Economic Impact - By the end of 2024, the total import and export value through the Zhuhai port of the bridge surpassed 1 trillion yuan, with a year-on-year growth of 11.3% to 232.9 billion yuan [2] - The bridge has enabled logistics companies to achieve "same-day delivery," enhancing operational efficiency and reducing costs significantly for businesses [2] Societal Benefits - The bridge has improved accessibility for cross-border students and facilitated entrepreneurial activities for young people from Hong Kong and Macao [3] - The infrastructure has fostered a sense of connection among residents, promoting both economic and social integration within the Greater Bay Area [3]