宁南至普格段预计年内具备通车条件

Core Viewpoint - Sichuan Road and Bridge Construction Group is accelerating the construction progress of multiple highway and railway projects in the province, with significant advancements expected in the completion of key projects by the end of the year [1] Group 1: Project Updates - The Xichang to Ningnan Expressway and the Zhenba to Guang'an Expressway are among the projects expected to be completed and opened to traffic within the year [1] - The Xining Expressway, which started construction in July 2023, has completed over 70% of its investment by the end of last year, with major construction works such as earthworks, bridges, and tunnels exceeding 80% completion [1] - The travel time from Xichang City to Ningnan County will be reduced from 2.5 hours to 1 hour upon the completion of the Xining Expressway, integrating with other expressways to form a comprehensive transportation hub [1] Group 2: Construction Efficiency - The construction team has optimized management processes and adopted intelligent equipment and technology, significantly enhancing construction efficiency [1] - In the construction of long tunnels, the project has implemented a "large machine matching" initiative, utilizing intelligent machinery that has doubled construction efficiency [1] - For the Chengyu Middle Line High-Speed Railway, the main works of the Jianyang to Lezhi section have been completed, transitioning to the ballastless track laying phase, with a 20% efficiency improvement and a 30% reduction in labor costs achieved through the use of intelligent tunnel excavation support machines [1] Group 3: Future Initiatives - In 2023, Sichuan Road and Bridge will continue to accelerate its digital and low-carbon transformation, promoting the application of intelligent systems and equipment such as "tunnel inspection robots" [2] - The company aims to establish 1 to 2 industry-leading benchmark achievements through these initiatives [2]