Core Viewpoint - The completion of the ground assembly of the framework structure for the largest hangar in Asia marks a new construction phase for the international aviation maintenance service platform project by China Eastern Airlines [1] Group 1: Project Overview - The project is a key component of the fourth phase expansion of Shanghai Pudong International Airport, providing comprehensive maintenance services for both domestic and international airlines [1] - It includes 11 individual structures, with the main hangar designed to accommodate 9 wide-body and 2 narrow-body aircraft simultaneously [1] Group 2: Design and Construction Innovations - The project team has innovatively applied high-strength steel in a large proportion, achieving lightweight roofing and significant cost savings [2] - Structural safety is ensured through precise control of the stress characteristics and deformation patterns of large-span structures, leading to an innovative structural form [2] - A collaborative approach with construction units and material suppliers has facilitated the exploration of new construction techniques and materials, ensuring smooth transitions from design to construction [2] Group 3: Strategic Importance - Upon completion, the project will enhance Shanghai's status as a world-class aviation hub and strengthen the industrial support capabilities of the Shanghai International Shipping Center [2]