The Full Span Launching Methodology #FSLM #constructionequipment
@EngineeringRailway
The full span launching method employed in the Mumbai-Ahmedabad High-Speed Rail (MAHSR) bullet train project is an innovative technique used for constructing elevated viaducts. This cutting-edge method enables the rapid and efficient installation of precast concrete segments to create the elevated track structure for the high-speed rail line.
In the full span launching method, precast concrete segments are manufactured off-site and transported to the construction site. These segments are then assembled and connected to form a continuous viaduct structure. The entire span, typically ranging from 20 to 45 meters in length, is constructed and launched as a single unit.
To accomplish this, the segments are positioned on launching gantries or special launching trusses that are supported on temporary piers. Hydraulic jacks and other specialized equipment are used to incrementally push or pull the launching gantries forward, thus sliding the entire span onto the permanent piers or supports.
This method offers several advantages over traditional construction techniques. First, it significantly reduces construction time and disruption to the surrounding areas, as large sections of the viaduct can be installed in a short period. Additionally, it minimizes the need for extensive scaffolding and temporary supports, making it a cost-effective approach.
The full span launching method ensures high precision and quality control as the segments are manufactured in controlled environments. Moreover, it provides enhanced safety measures by reducing the need for workers to be present on the viaduct during the launching process.
The implementation of the full span launching method in the MAHSR bullet train project showcases the project's commitment to adopting state-of-the-art construction techniques to expedite the development of a modern, reliable, and efficient high-speed rail network in India.
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Thank you.