Core Viewpoint - The Qinghua Expressway's Beijiang Grand Bridge has entered a critical construction phase, with significant progress made and innovative technologies applied to enhance construction quality and efficiency [1][3][4]. Group 1: Project Overview - The Qinghua Expressway spans 54 kilometers, connecting Qingyuan City and Guangzhou, and includes the Beijiang Grand Bridge, which is set to become a landmark in Qingyuan [1][3]. - The main bridge measures 1,440 meters in total length, featuring a main span of 360 meters and a unique design with four towers [3]. - The bridge is currently the largest four-tower, double-cable-stayed concrete bridge in mainland China, with a construction complexity that has posed several technical challenges [3]. Group 2: Construction Progress - Over 50% of the main beam construction has been completed, with 102 segments finished, and the project is on track to achieve completion by the first half of 2026 [3][4]. - The overall construction of the Qinghua Expressway has surpassed 90% completion for the foundation and bridge structures, with all projects progressing according to the established timeline [3][4]. Group 3: Technological Innovations - The project has implemented advanced technologies such as BIM models, AI, and digital twin technology to create a smart management center for efficient construction processes [4]. - Innovations like adjustable end molds and combination bottom molds have expanded the applicability of smart beam yards, enhancing production efficiency [6]. - The production capacity of a single production line can reach 1.5 beams per day, with a total production task of 16,242 beams, of which 15,587 have been completed [6].