• comparison of different configurations of air-bubble screens around the pier to control scour

    کلمات کلیدی :
    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1393/11/01
    • تاریخ انتشار در تی پی بین: 1393/11/01
    • تعداد بازدید: 534
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     scouring is a natural phenomenon caused by erosive action of flowing water on the bed. the formation of a scour hole around bridge piers has been the subject of intensive research for many years. researchers have been introduced a lot of techniques to prevent and reduce local scour at bridge piers. in present study, a new method to reduce scouring around piers has been assessed. a bubble-screen located around the pier are used to counteract the downward flow and avoid the initiation of scour. in addition the capability of bubble-screens in front half of the pier has been assessed and compared with a complete bubble-screen around the pier. results indicate that the complete bubble-screen is more efficient than the bubble-screens in front half of the pier.

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