Ke Ji Ri Bao·2025-09-28 04:09Core Points - Shenzhen Metro Line 16 Phase II, constructed by China Railway Construction Corporation, has commenced trial operations, marking it as the highest prefabrication rate metro line in the country [1] - The line spans 9.54 kilometers, connecting Dayun Station to Yuanshan Xikeng Station, with a total of 8 stations and 1 new parking lot [1] - This project is part of the first batch of prefabricated metro lines in the Guangdong-Hong Kong-Macao Greater Bay Area, featuring 3 fully prefabricated stations [1] Construction Advantages - Prefabricated construction differs from traditional methods by producing station components in advance at a factory, allowing for assembly on-site like "building blocks" [3] - Compared to traditional cast-in-place methods, prefabricated stations are noted for being safer, higher quality, more efficient, and more environmentally friendly [3] - The project saved 800 tons of steel, 600 cubic meters of wood, reduced construction waste by 90%, and lowered carbon emissions by 30% [3] Innovative Technologies - China Railway Construction has developed a "180-ton gantry crane + separate assembly platform" to address the challenges of lifting large components, achieving millimeter-level precision in assembly [3] - The project has achieved a 98% prefabrication rate for track switch components, breaking the traditional cast-in-place concrete method used for over 20 years in urban rail transit [3] Digital and Intelligent Construction - The project team has implemented intelligent digital technologies, including "BIM-based digital construction technology for electromechanical engineering," enhancing efficiency by 10 times [7] - The use of tile-laying robots has increased the efficiency of flooring installation by nearly 20 times compared to traditional manual methods [7] Strategic Importance - Shenzhen Metro Line 16 Phase II is a key route in Shenzhen's "Eastward Strategy" transportation system, facilitating the acceleration of the Greater Bay Area's "one-hour traffic circle" [7] - On the same day, the second phase of Shenzhen Metro Line 6 branch also commenced trial operations, bringing the total operational length of Shenzhen's urban rail transit to 609.6 kilometers [8]