提出了京沪高速铁路路基基床改良加固措施的意见。
Some suggestions for the roadbed modification are proposed based on the testing results.
利用二布一膜的隔水防渗特性，铺设在路基基床表层，改良路基填料。
A kind of complex geomembrane was laid in the upper layer of the roadbed to prevent water penetration, therefore the lower classed soil could be used as fill of embankment.
研究方法：主要研究内容包括：（1）无碴轨道路基基床动力学特性试验研究；
Research methods:The main research contents include:(1)the experimental research of dynamic characteristics of subgrade bed of ballastless track;
研究方法：主要研究内容包括：（1）无碴轨道路基基床动力学特性试验研究；
Research methods:The main research contents include:(1)the experimental research of dynamic characteristics of subgrade bed of ballastless track;
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