Describes the static and cyclic experiments performed on 6m long 250 mm square precast concrete driven piles, and groups of such piles, driven into soft clay silt at Kinnegar, Northern Ireland. The project was developed as an extension of a separate Trinity College London (TCD) pile research testing programme at the same site which focussed on group action under static vertical and lateral loading. It is emphasised that the Kinnegar tests involved only one-way tension loading.
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