Wet Mix Stabilisation of Dredged Material

The contractor developed a methodology to stabilise 6500m3 of wet dredged material (from the sea-bed) on site by utilising a modification of the existing ALLU system, using a site batched cementitious grout to mix with the dredged material to form a homogeneous mix that later cured into a weak concrete.

The methodology ensured that this material could stay on site and be incorporated into the permanent works.

This method has significant carbon footprint savings and benefits the wider community with a vast reduction in vehicle movements.

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Entry submitted by John Sisk & Son (Holdings) Ltd


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