A Dynamic Compaction or Dynamic Replacement approach can be used to improve the characteristics of a wide range of shallow soils. Dynamic methods are often used to improve deep deposits of Made Ground in-situ, avoiding any requirement for costly off-site disposal of unsuitable founding material, or use of more expensive traditional piling methods.
Both techniques utilise tracked crawler cranes, dropping compaction weights from heights of up to 20.0m, to achieve depths in influence in the typical range of 5.0m – 8.0m.
Adopting a Dynamic Compaction or Dynamic Replacement approach allows the use of lightly reinforced ground bearing slabs, pads & strip foundations – offering significant cost efficiencies when compared against a traditional piled approach.
The absence of concrete and the potential for use of recycled aggregate in dynamic replacement and dynamic compaction ensures that it is a sustainable approach to foundation construction.
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