Ballastless turnout slab, production process of ballastless turnout slab, ballastless turnout bed and ballastless turnout rail

• Main Authors: ZHANG CHANGCHUN, PAN WEIWANG, LIN XIAOBO, SHUI ZHUOPING, LI KAIZHENG, HU ZHIYONG, YU PIJIN, QIAN ZHENDI, WANG YUCE
• Format: Patent
• Language: Chinese; English
• Published: 24.07.2013
• Subjects: CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; FIXED CONSTRUCTIONS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS; PERMANENT WAY; PERMANENT-WAY TOOLS

The invention relates to a ballastless turnout slab, a production process of the ballastless turnout slab, a ballastless turnout bed and a ballastless turnout rail. The ballastless turnout slab comprises a turnout slab casing and a structural steel frame, wherein the turnout slab casing comprises a casing body 1 and a rail carrying table 2, the structural steel frame comprises a steel frame body 6 and a reinforced steel bar structure 7, and a grounding terminal 8 is arranged on the steel frame body 6. The production process of the ballastless turnout slab comprises the steps including sample placing, casting, maintenance and the like. The ballastless turnout bed comprises more than three turnout slab units and a point switch installing groove 14. The ballastless turnout rail comprises a steel rail system, a turnout bed, a concrete layer 15, a geotechnical cloth separation layer 16 and a base, wherein the steel rail system comprises a straight steel rail 17, a sharp rail 18, a buckle element and a point switch