论砾质素填土的承载特性──以南盘江天生桥二级水电站厂区500kV/200kV开关站芭蕉林崩堆体砾质素填土为例

On Load-Bearing Features of Gravelly Plain Filling with an Example from Bajiaolin Collapse Body in Tianshengqiao Hydropower Station of Nanpan River, Guizhou

砾质（碎石）素填土国密度较低、饱和度较高，存在较高团结沉降变形，但排水较易，因此确定地基承载力时必须既安全又合理，地基沉降变形在设计容许范围内。

There is stronger consolidation- settlement deformation and gooddrainage capacity in gravel (debris) plain filling soil because of low specific densityand high saturation. when load-bearing capacity of a ground is determined, therefore, the settlement deformation of the ground must be within allowable limit designed, in order to be both safety and reasonable.