Ballastless track slab laying method

Abstract

The invention discloses a ballastless track plate laying method. The method comprises a step (a) of performing center line lofting on a base passing the acceptance; a step (b) of laying an isolating layer and steel bar meshes on the base; a step (c) of laying ballastless track plates corresponding to a center line of the base; a step (d) of accurately adjusting the ballastless track plates according to the design requirements; a step (e) of establishing dies on two sides of the ballastless track plate; a step (f) of pouring concrete between the ballastless track plates and the base; and a step (g) of removing the dies and detecting laying quality of the ballastless track plates. According to the ballastless track plate laying method, not only is laying quality improved in the ballastless track plate laying process, but also service life of a whole ballastless track is prolonged, the railway quality requirements of high-speed train running are met, track plate laying work can be finished according to a set construction period, and construction of the whole railway engineering can be finished smoothly according to the regulated quality requirements and the construction period requirements.

Description

technical field [0001] The invention relates to the field of railway construction, in particular to a method for laying ballastless track slabs. Background technique [0002] As we all know, in the slab track structure, the ballastless track slab evenly transfers the load from the rail and fasteners to the cement asphalt mortar cushion, and transfers the longitudinal load and lateral load of the track to the concrete convex positioning column on the base , so the track slab plays a vital role in the entire railway structure. Therefore, the laying of ballastless track slabs has become an important part of the entire railway construction process. The quality of the laying and the length of the laying period directly affect the quality of the entire railway construction and the completion period. [0003] The laying process of the traditional ballastless track slab is to build and install molds on both sides of the constructed base, and pour CA mortar into the mold through the...

AI Technical Summary

Problems solved by technology

[0003] The laying process of the traditional ballastless track slab is to build and install molds on both sides of the constructed base, and pour CA mortar into the mold through the filling port on the ballastless track slab, and wait for the CA mortar to solidify and form CA mortar After the layer is removed, the mold is removed to complete the laying of the ballastless track slab, but the performance of the CA mortar layer is difficult to meet the durability requirements of the ballastless track high-speed railway

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