All Pier Construction Completed for Section 9 of China's Ji-Zao Railway

en.Wedoany.com Reported - On June 24, the construction of all 781 piers for Section 9 of the Ji-Zao Railway, undertaken by China Railway Tenth Group, was completed, marking the project's full transition into the bridge superstructure construction phase. This provides ample working space for subsequent cap beam construction and accelerates the overall project progress.

The Ji-Zao High-Speed Railway is a key transportation project in Shandong Province, with a main line length of 268.48 kilometers and a design speed of 350 kilometers per hour. It connects the four cities of Jinan, Tai'an, Jining, and Zaozhuang, serving as an important passenger corridor linking the provincial capital economic circle with the southern Shandong economic circle. The section undertaken by China Railway Tenth Group is located in Zaozhuang, with a total line length of 24.8 kilometers. The main project is the Taierzhuang Grand Bridge, which features 781 piers. The construction area is adjacent to roads, villages, and farmland, with many pier foundations situated on soft soil riverbank foundations and concentrated high-altitude operations. Construction must ensure structural pouring stability while also accommodating public travel and protecting the local ecology, posing significant management challenges.

Facing complex construction conditions, the project team developed specialized construction plans based on field survey results, tailored to different geological conditions and pier heights. Standardized management was implemented throughout the entire process for steel reinforcement, formwork, and concrete pouring and curing, with close attention to mix ratios, vibration, and temperature control, effectively preventing issues such as surface defects and structural dimensional deviations in the piers. The construction adopted a parallel segmented work mode, utilizing BIM (Building Information Modeling) three-dimensional modeling to simulate construction processes, rationally allocating personnel, equipment, and materials, proactively resolving process conflicts, and compressing process transition times, ensuring the completion of all pier construction with high quality and quantity.

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