Ground improvement techniques are used when the behaviour of the fill mass and/or the underlying soil does not meet required design criteria.
Rock is often encountered during capital dredging projects and this dredged rock can become high quality fill when used within specific guidelines.
Explosive Compaction (EC) involves placing a charge at depth in a borehole in loose soil and then detonating the charge.
Dynamic compaction is a technique used for in-situ densification of granular soil deposits by heavy impact.
Vibratory surface compaction is a method used on the surface of a reclamation area to increase the density, shear strength, and stiffness of the fill.
Compaction is used to increase the density of fill and improve properties such as compressibility, shear resistance and resistance against liquefaction.
Dredging techniques cover a wide range of activities and for each project an analysis must be made to determine which technique is appropriate and feasible.
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