The most pivotal technical problem of building high-speed railway on soft soil is strictly controlling post-construction settlement of subgrade and its elastic deformation of top surface.
在软土地基上修建高速铁路，其最关键的技术问题就是严格控制路基的工后沉降及列车高速运行时路基顶面的弹性变形。
Ballastless track on soil subgrade has been already widely used on high-speed railway abroad, but it is just at the starting stage in China.
土质路基上的无碴轨道在国外高速铁路上已得到广泛应用，而在我国却处于刚起步阶段。
The safety of the high-speed train is affected by the frost damage of the railway subgrade in China's north frozen soil zone.
随着列车速度的提高，我国北方的冻土地区铁路路基的冻害已经严重制约着高速列车的安全运营。
The problem of improved soil is important for high-speed railway subgrade.
改良土问题是高速铁路路基的重要内容。
The problem of improved soil is important for high-speed railway subgrade.
改良土问题是高速铁路路基的重要内容。
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