Core Viewpoint - The completion of the main structure of the Dazhou South Station for the Chengdu-Dazhou-Wanzhou High-Speed Railway marks a significant milestone, paving the way for subsequent decoration and supporting engineering work [1][4]. Group 1: Project Overview - Dazhou South Station is located in Dazhou City, Sichuan Province, serving as a crucial junction for the Chengdu-Dazhou-Wanzhou and Xiyu High-Speed Railways, featuring a total of 7 platforms and 16 tracks [3]. - The station building combines side and elevated designs, covering a total area of approximately 53,000 square meters, with three floors and an underground space [3]. Group 2: Design and Construction Challenges - The design of the station incorporates elements from the Ba Mountain Grand Canyon, symbolizing "the divine bird spreading its wings" and reflecting regional characteristics through an abstract representation of the word "Dazhou" [3]. - The construction faces challenges such as high space, super-span trusses, and simultaneous operations of multiple towers, with the maximum formwork height reaching 16.3 meters and the maximum truss span at 72 meters [3]. Group 3: Current Progress - As of now, the metal roofing of the side station has been completed, the curtain wall work is 30% finished, and the corrosion-resistant metal roofing of the columned rain shelter is 40% complete, with the project entering a critical phase of decoration and renovation [4]. - The Chengdu-Dazhou-Wanzhou High-Speed Railway spans 477 kilometers from Chengdu Tianfu Station to Wanzhou North Station, with a design speed of 350 kilometers per hour [4].