How to lay prefabricated track
The lightest prefabricated track slab weighs 6 tons, and the heaviest weighs 12 tons. One rail is 25 meters long and weighs 1.5 tons. The installation accuracy of such heavy slabs and rails is controlled in millimeters. How do they construct them?
First, an automated factory needs to be established to produce various types of track slabs according to design requirements. The produced track slabs are transported to various construction sites.
A high-precision CPⅢ precision measurement control network needs to be established along the subway construction line, using high-precision measurement equipment to locate and control the status of track slabs and rails throughout the process to ensure that they meet the design standards.
Next, the unit responsible for laying innovated the construction process, using new energy rail vehicles, pure electric deformable tire track laying vehicles, concrete spreading vehicles, plate transport vehicles and other new equipment to transport track slabs, rails, self-compacting concrete and other materials to the subway line for assembly.
