TECHNICAL NOTES
Sep 1, 1992
Bridge Pier Scour with Debris Accumulation
Authors: Bruce W. Melville and D. M. DongolAuthor Affiliations
Publication: Journal of Hydraulic Engineering
Volume 118, Issue 9
Abstract
Laboratory data, showing the effect of simulated floating debris accumulation at bridge piers on the local scour depth, are presented. The experiments are conducted using idealized impermeable cylindrical debris shapes attached concentrically to a cylindrical pier. The maximum scour depth recorded is 3.6 times the pier diameter. The design method proposed by Melville and Sutherland in 1988 is shown to predict the maximum possible local scour for a pier with simulated floating debris accumulation provided that an effective pier width is substituted for the actual pier width. The effective pier width is calculated as a weighted average of lengths (vertical dimension) of the debris and exposed pier.
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References
1.
Dongol, M. S. (1989). “Effect of debris rafting on local scour at bridge piers.” Report No. 473, School of Engrg., Univ. of Auckland, Auckland, New Zealand.
2.
Laursen, E. M., and Toch, A. (1956). “Scour around bridge piers and abutments.” Bulletin No. 4, Iowa Highway Res. Board, Ames, Iowa.
3.
Melville, B. W., and Sutherland, A. J. (1988). “Design method for local scour at bridge piers.” J. Hydr. Engrg., ASCE, 114(10), 1210–1226.
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Copyright © 1992 ASCE.
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Published online: Sep 1, 1992
Published in print: Sep 1992
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Bruce W. Melville
Sr. Lect. in Civ. Engrg., Univ. of Auckland, Auckland, New Zealand
D. M. Dongol
Grad. Student in Civ. Engrg., Univ. of Auckland, Auckland, New Zealand
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.