Core Insights - The construction of Dalian Jinzhou Bay International Airport is progressing rapidly, with a focus on the main terminal building, which has entered a full-scale construction phase during the holiday period [1][2] - The project incorporates multiple new technologies and materials to enhance structural integrity and durability against marine environmental conditions [2][3] Group 1: Construction Progress - The main terminal building covers an area of 500,000 square meters, with additional facilities including a 220,000 square meter transportation center and parking garage, and various roadworks [1] - The construction requires approximately 510,000 cubic meters of concrete, 90,000 tons of rebar, and 65,000 tons of steel structures [1] - As of now, significant milestones have been achieved, including 19.64 square kilometers of land reclamation completed, 200.1 million square meters of deep foundation treatment, and 2,463 foundation piles for the terminal [3] Group 2: Technological Innovations - The project employs concrete crack control technology and prestressing techniques to address issues with long concrete structures, effectively managing cracks over approximately 1,000 meters [2] - Corrosion inhibitors are added to the concrete to prevent internal corrosion, while exposed steel structures are treated with anti-corrosion coatings and weather-resistant steel [2] - The waterproofing system has improved by 30% compared to traditional methods, enhancing the overall durability of the structure [2] Group 3: Design and Connectivity - The terminal's design features a curved roof and streamlined columns, symbolizing the integration of Dalian's maritime culture with aviation themes [3] - The airport will have direct connections to subway lines 1 and 5, with a minimal distance of 42 meters from the subway security check to the terminal's underground security area, facilitating seamless transfers [3] - Three cross-sea expressways will link the artificial island to the mainland, allowing a 20-minute travel time to the city center, and the airport will connect with Dalian's high-speed rail and ferry terminals for comprehensive transport integration [3]