Since 2006, "FF System Bogl" concrete slabs have been in use in Germany on the through tracks forming the new high-speed line between Nuremberg and Ingolstadt. It was a logical next step to develop a prefabricated solution for switches and crossings too. As had already been done when developing the concrete slabs for holding plain track, designing the corresponding slabs to hold the components of switches and crossings also followed the fundamental ideas of producing high-quality, high-precision prefabricated parts in the factory and subsequently laying them at the construction site without needing to use support rails. As is an established feature of the Bogl system of slabs for ballastless track, the precision machining of the rail supports is done under computer control.
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机译：自2006年以来，“ FF System Bogl”混凝土板在德国的贯通轨道上已开始使用，形成了纽伦堡和英戈尔施塔特之间的新高速线。为开关和交叉口开发预制解决方案也是合乎逻辑的下一步。正如开发用于保持平整轨道的混凝土板时所做的那样，设计相应的板以容纳道岔和道口的组件也遵循了在工厂生产高质量，高精度预制零件并随后进行铺设的基本思想。在施工现场无需使用支撑轨。作为用于无ball轨道的平板Bogl系统的既定功能，对轨道支架的精密加工是在计算机控制下完成的。
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