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Maximum scour depth around bridge pier in gravel bed streams

Author

Listed:
  • Manish Pandey

    (Indian Institute of Technology)

  • P. K. Sharma

    (Indian Institute of Technology)

  • Z. Ahmad

    (Indian Institute of Technology)

  • Nilav Karna

    (Indian Institute of Technology)

Abstract

Precise prediction of scour near the circular uniform pier may lead to the economic design of piers and avoid disastrous instances. Present study mainly deals with cohesionless sediment with gravel particles. Authors checked the three latest bridge pier scour models in this study. Three new relationships are proposed by authors for computing maximum scour depth, maximum scoured length and maximum effected scoured width in cohesionless sediment at equilibrium scour condition. Maximum scour depth equation is validated by the available literature data, and this relationship is applicable for both gravel as well as the sand bed. Graphically and statistically the new maximum scour depth relationship gives better agreements between observed and computed values of maximum scour depth. Relationships for maximum scoured length and maximum effected scoured width are only applicable for gravel and coarse sand bed and also gives better agreement with computed values.

Suggested Citation

  • Manish Pandey & P. K. Sharma & Z. Ahmad & Nilav Karna, 2018. "Maximum scour depth around bridge pier in gravel bed streams," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 91(2), pages 819-836, March.
    • Handle: RePEc:spr:nathaz:v:91:y:2018:i:2:d:10.1007_s11069-017-3157-z
    DOI: 10.1007/s11069-017-3157-z
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    Cited by:

    1. Manish Pandey & Masoud Karbasi & Mehdi Jamei & Anurag Malik & Jaan H. Pu, 2023. "A Comprehensive Experimental and Computational Investigation on Estimation of Scour Depth at Bridge Abutment: Emerging Ensemble Intelligent Systems," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 37(9), pages 3745-3767, July.

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