CONSTRUCTION TECHNIQUE OF BALLASTLESS SLAB TRACK ON THE BRIDGE FOR QINSHEN SPECIAL RAILWAY LINE FOR PASSENGER TRANSPORTATION

The paper gives the introduction of the construction technique of a new-type track structure—Slab Non-ballast Track, which will be used on the bridge of Qinshen Special Railway Line for Passenger Transportation, and sheds light on a series of key construction techniques, mainly including: fabrication of the track slab, research and production of CA sand mortar, construction of concrete bearing and convex retaining wall, paving of track slab, pouring of CA sand mortar, construction of the filled cushion slab etc. All these will have the significant reference and application value for its employment to the bridge construction of the city overhead track and the express-railway.