Table 1. Cofferdam ground improvement... | Emerald Publishing

Table 1.

Cofferdam ground improvement comparison matrix showing performance criteria of different geotechnical techniques

Performance criteria	Geotechnical technique
Performance criteria	TrenchMix™ (grid)	DSM	Grouting	Stone columns	Piled columns	Band drains	Consolidation over time
Reduce short-term settlement	✓	✓		✓		✓	✓
Reduce long-term settlement	✓	✓		✓		✓
Reduce active pressure acting on retaining structures	✓	✓
Increase passive resistance to support structures	✓	✓
Reduce local soil collapse for D-walls	✓	✓	✓
Meet bearing capacity required for temporary live loads		✓			✓

Performance criteria	Geotechnical technique
Performance criteria	TrenchMix™ (grid)	DSM	Grouting	Stone columns	Piled columns	Band drains	Consolidation over time
Reduce short-term settlement	✓	✓		✓		✓	✓
Reduce long-term settlement	✓	✓		✓		✓
Reduce active pressure acting on retaining structures	✓	✓
Increase passive resistance to support structures	✓	✓
Reduce local soil collapse for D-walls	✓	✓	✓
Meet bearing capacity required for temporary live loads		✓			✓