During the construction of the railway subgrade of Harbin-Dalian passenger railway line, there is a serious shortage in fill materials for railway subgrade in some sections.

• 摘要在哈大铁路客运专线路基施工中，有的路段路基填料十分匮乏，需要寻找满足设计及规范要求且价格相对便宜的土料。