Experimental investigation of clear-water local scour of compound piers

B. Ataie-Ashtiani, Z. Baratian-Ghorghi, A. A. Beheshti

Research output: Contribution to journalArticle

72 Citations (Scopus)

Abstract

Local scour around complex piers under steady clear-water condition was studied experimentally for a variety of configuration, including different sizes and shapes of complex piers. A total of 70 experiments were carried out. Three sets of experiments were performed over the entire range of possible pile cap elevations for complex piers with different geometrical characteristics. The collected data are used to quantify the pile cap elevations that maximize or minimize the local scour depth. Some of the available methodologies to estimate the maximum local scour depth around such complex piers are evaluated. The predictions of the scour depths improved by using the revised methods of Hydraulic Engineering Circular Number 18 and Coleman.

Original languageEnglish
Pages (from-to)343-351
Number of pages9
JournalJournal of Hydraulic Engineering
Volume136
Issue number6
DOIs
Publication statusPublished - 1 Jun 2010
Externally publishedYes

Keywords

  • Bridges
  • Complex piers
  • Foundation
  • Local scour
  • Pile cap
  • Pile group

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