• soil improvement of reclaimed land and weak foundations by vibroflotation

    نویسندگان :
    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
    • تعداد بازدید: 762
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     it was often noticed by engineers that a significant but unintentional improvement in the soil was obtained in loose cohesionless layers, when driving or vibrating casings during the construction of pile foundation. consequently, compaction using vibratory probes with vibratory needles was introduced at first in in the early 1930’s .with this deep compaction technique, one can reach very high and uniform relative densities (dr > 80%), unlike with the dynamic compaction or explosive technique. in marine projects which need to soil improvement of reclaimed land or for increasing the bearing capacity of gravity structure foundations such as blocky or caissons quay walls, in many cases, this compaction technique is the optimum or probably the exclusive practical method. in fig. 1, improvement of the loose cohesionless layer under seabed by vibroflotation and from a shipboard is shown.

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