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Application of Collars Around Bevel-Nosed Rectangular Pier

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Development of Water Resources in India

Part of the book series: Water Science and Technology Library ((WSTL,volume 75))

Abstract

An experimental investigation of scour depth variation is presented herein with an objective to examine efficacy of application of collars to a bevel-nosed rectangular pier in reducing the scour depth. Bevel-nosed rectangular pier aligned with the flow direction at low angles of attack with flow was tested without collar, with one collar and two collars under steady-state clear-water scour uniform flow condition. 76.7% and 81.54% reduction in scour depth is achieved with the application of one collar at 0° and 15° angles of attack, while 43.8% and 45.2% reduction in scour depth is achieved with the application of two collars at 0° and 15° angles of attack. This research causes considerable reduction in construction cost of bridge piers.

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Correspondence to Salman Beg .

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Beg, S., Beg, M. (2017). Application of Collars Around Bevel-Nosed Rectangular Pier. In: Garg, V., Singh, V., Raj, V. (eds) Development of Water Resources in India. Water Science and Technology Library, vol 75. Springer, Cham. https://doi.org/10.1007/978-3-319-55125-8_33

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