Compacted, compacted and compacted foundation refers to the large-area filled foundation, or the natural soil with loose structure and large pores, which cannot meet the bearing capacity or deformation requirements of the foundation, or the sandy soil produces liquefaction under the action of earthquake load, and the collapsible soil causes subsidence and other engineering hazards under the action of hydraulic power. A treated foundation that compacts, compacts or compacts the soil structure, reduces porosity, eliminates liquefaction or collapsibility, and meets the bearing capacity or deformation requirements of the foundation.
Compacted foundation refers to the use of flat grinding, vibration grinding, impact grinding or other rolling equipment to fill the soil layer compaction treatment of the foundation. The compaction technique is suitable for the filling treatment of large area filled foundation, shallow weak foundation and local uneven foundation.
Rammed foundation refers to the repeated rammer to the height of the free fall, to the foundation with impact and vibration energy, the foundation soil compacted or replaced to form the foundation of compacted pier body. Compacted foundation can be divided into dynamic compaction and dynamic compaction replacement treatment foundation. Dynamic compaction treatment is suitable for gravel soil, sandy soil, silt and clay soil with low saturation, collapsible loess, plain fill soil and miscellaneous fill soil foundation. Not strict deformation requirements of engineering, high saturation silt and soft plastic~The fluid - plastic cohesive soil foundation can be replaced by dynamic compaction.
The compaction foundation is the foundation that compacts the soil by using the compacting work or horizontal extrusion force of the immersed tube, rammer or vibroflot inserted into the soil. The compaction foundation is suitable for gravel soil, sand soil, silt soil, collapsible loess, plain fill soil and miscellaneous fill soil.
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