国外地基处理现场图片
~'37`)]z v>z tB,,9 
A closer view of the disk that breaks the imported soil down into smaller clods for effective moisture conditioning and compaction.
^7z u< lX 
Backhoes carefully place large rocks (rip-rap) on the upstream face
8k
q5ud 
The core materials are being disked (left side) and compacted by sheepsfoot rollers.
s,#>m*Rh 
The different colored soils correspond to the upstream shell (left side), core (darkest), filter, and drain zone (lightest), and downstream shell.
