冻胀问题影响哈大高铁开通作为国家“十一五”规划的重点工程,国家《中长期铁路网规划》“四纵四横”客运专线网的重要组成部分,全长904公里的哈大高铁由铁道部和辽宁、吉林、黑龙江三省共同投资建设,项目概算总投资高达923亿元。2010年12月28日,哈大高速铁路全线胜利铺通。然而,哈大高铁迟迟迎不来调试的日期。原来,部分路段路基出现了随天气变化超标准的冻胀变化。 Frost heaving problems affect the Harbin-Dalian high-speed railway as a key national “Eleventh Five-Year Plan” project, the national “long-term railway network planning” “four vertical and four horizontal ” passenger dedicated network of important part of a total length of 904 km The Harbin-Dalian high-speed railways are jointly invested by the Ministry of Railways and Liaoning, Jilin and Heilongjiang provinces. The total estimated investment of the project is as high as 92.3 billion yuan. December 28, 2010, Harbin-Dalian high-speed railway across the board paved the way. However, Kazakhstan da high-speed rail delay to welcome the date of commissioning. It turned out that some sections of the roadbed with the weather changes in excess of the standard frost heave changes.