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The effect of circular bridge piers with different inclination angles toward downstream on scour

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Abstract

A fundamental principle in the safe design of bridge piers is to estimate maximum scour depth. As such, many researchers devoted their efforts to study the phenomenon of scour around bridge piers and to present relationships to estimate maximum scour depth. In the current research, scour around circular bridge piers with two different diameters and different inclination angles toward downstream has been investigated experimentally under clear water and different discharges. The obtained results revealed that increase in the inclination angle leads to a significant decrease in the scour depth, dimensions of sediment ridge and scour hole. Moreover, by comparing the data obtained from vertical bridge pier and well-known relationships, a relationship having the most agreement with the results was selected and modified to estimate equilibrium scour depth around inclined piers.

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Authors and Affiliations

  1. Department of Civil Engineering, Persian Gulf University, Shahid Mahini Street, P.O. Box: 75169-13817, Bushehr, Iran

    MOHAMMAD VAGHEFI

  2. Water Engineering Research Center, Tarbiat Modares University, 11114115, Tehran, Iran

    MASOUD GHODSIAN

  3. Department of Civil Engineering, Tarbiat Modares University, 11114115, Tehran, Iran

    SAEID SALIMI

Authors
  1. MOHAMMAD VAGHEFI
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  2. MASOUD GHODSIAN
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  3. SAEID SALIMI
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Correspondence to MOHAMMAD VAGHEFI.

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VAGHEFI, M., GHODSIAN, M. & SALIMI, S. The effect of circular bridge piers with different inclination angles toward downstream on scour. Sadhana 41, 75–86 (2016). https://doi.org/10.1007/s12046-015-0443-x

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  • DOI: https://doi.org/10.1007/s12046-015-0443-x

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