西宁机场三期扩建工程助推西北地区开放发展 为世界屋脊拓展新空港（产经观察·收官之际看工程）

Core Insights - The expansion of Xining Caojiabao International Airport, including the new Terminal 3, is aimed at enhancing passenger experience and boosting economic development in the region [1][10]. Engineering Challenges and Innovations - The construction faced severe challenges due to extreme temperature variations and complex geological conditions, leading to innovative solutions such as controlled water injection and vibration compaction techniques [2][3][4]. - The project involved the installation of approximately 2,300 piles, with depths exceeding 60 meters, utilizing specialized methods to ensure stability and safety [4][5]. Technological Integration - A smart construction management platform was developed, integrating BIM, GIS, and IoT technologies to optimize project management and resource allocation, resulting in significant time and cost savings [5]. Environmental and Service Enhancements - The new terminal emphasizes green development, featuring a large skylight for natural lighting, rainwater harvesting systems, and energy-efficient climate control [6][7]. - Passenger convenience has been significantly improved with the introduction of self-service verification gates and facial recognition boarding processes, enhancing the overall travel experience [8][9]. Capacity and Economic Impact - The expansion has increased the airport's annual passenger capacity to 21 million and daily flight operations by an average of 300, addressing previous limitations and supporting future growth [10][11]. - The airport's cargo capacity has also expanded from 40,000 tons to 120,000 tons annually, facilitating the export of local agricultural products and boosting regional economic development [12].