摘要
结合土耳其安卡拉-伊斯坦布尔高速铁路二期工程施工实际，本文分析了有碴轨道大号码道岔几种不同铺设方案的适用条件，重点介绍了安伊高铁二期工程正位铺设大号码道岔技术，以达到推广应用。
Abstract
Abstract：Combing the actual construction process of Ankara—Istanbul High Speed Railway Project (Phase 2) in Turkey, this article analysesthe applicable conditions for several different laying methods of the large number turnouts on ballasted tracks, and i
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