Ground conditions were made of a sand for a depth varying from 4m to 12m, with
presence of pockets of silt located randomly at various depths.
Water table was located 2 meters below platform level level.
Acceptance criteria were based on:
- For platform properly speaking , compliance with a minimum relative density, measured with SPT tests , and comparison with reference values obtained from initial calibration. Laboratory density measurements on samples , if SPT results not in accordance with specifications.
-For the sub marine stability backfill compliance with a minimum horizontal reaction coefficient, deducted from in situ measurements.
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