龙烟铁路市域化改造项目全线首墩顺利浇筑

Core Viewpoint - The successful completion of the first pier construction for the Longyan Railway urbanization project marks a significant milestone in the project, laying a solid foundation for subsequent bridge superstructure construction [1][3]. Group 1: Project Details - The cross-Rongwu Highway super bridge is located in Yantai City, Shandong Province, with a total length of 1388.48 meters, consisting of 2 bridge abutments and 40 piers [3]. - The first pier, designated as pier 27 for the 88m continuous beam, features a circular end solid pier with dimensions of 7.8m x 4m and a height of 5.5m, utilizing 35.73 tons of HRB400 rebar and 152.7 cubic meters of concrete [3]. Group 2: Construction Process - The project team implemented a standardized construction process, focusing on optimizing techniques, safety measures, and quality control, with multiple rounds of expert reviews and a specialized construction plan [3]. - During the pouring process, the technical team monitored the concrete mix, pouring speed, and compaction density in real-time to ensure the quality of the pier met design requirements [3]. Group 3: Project Significance - The Longyan Railway urbanization project is a key transportation construction initiative in Shandong Province, crucial for enhancing the regional transportation network and promoting economic and social development in Yantai City [5]. - The successful pouring of the first pier serves as a strong validation of the preparatory work and provides valuable experience for the subsequent large-scale pier construction [5]. - The project team will maintain a rigorous work attitude, focusing on safety and engineering quality, to steadily advance construction and ensure high-quality completion of annual targets [5].