subgrade

1.The effects of applying the Diploe-Dipole Array to exploring karst cavities in the railway subgrade are demonstrated in this paper.

摘要阐述了赤道偶极剖面法探测铁路路基岩溶洞穴中的果；

2.A residential buildings with 18 story built on the ground consisting of soft marine clay and the subgrade was treated with vibroflotation.

摘要18住宅楼然地基中的含淤泥土上，地基采振冲法处理。