Countermeasures for local scour around the bridge pier: a review

Bharadwaj, Mangu Rahul; Gupta, Lav Kumar; Pandey, Manish; Valyrakis, Manousos

doi:10.1007/s11600-024-01361-z

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Tytuł artykułu

Countermeasures for local scour around the bridge pier: a review

Autorzy

Bharadwaj Mangu Rahul , Gupta Lav Kumar , Pandey Manish , Valyrakis Manousos

Wybrane pełne teksty z tego czasopisma

https://www.springer.com/journal/11600

Identyfikatory

DOI

10.1007/s11600-024-01361-z

Warianty tytułu

Języki publikacji

Abstrakty

This paper aims to present the mechanism of scour and empirical equations for evaluating local scour with and without a countermeasure around the bridge pier. A critical review of scour countermeasures, mainly hydraulic, structural, and biotechnical, extending to the present time is done. Hydraulic countermeasures consist of river training structures and bed armoring. Structures placed parallel, perpendicular, or at an angle to the flow aiming to modify it is the purpose of river training works. Armoring is done through the use of riprap, partially grouted riprap, cable-tied blocks, grout-filled containers, and gabions. Structural countermeasures include foundation strengthening and pier geometry modifications. Extending footings, underpinning, and pile-underpinning are related to foundation strengthening, while pier geometry modifications include different pier features such as shapes, textures, slots, and collars. Biotechnical countermeasures include using vegetation riprap, geosynthetic polymer, live staking, and bio-stabilization using extracellular polymeric substances. Different combinations of countermeasures are also discussed. In hydraulic and structural countermeasures, riprap and collars are most commonly used due to their efficiency in scour reduction and economic feasibility. Bio-stabilization using extracellular polymeric substances is a novel measure for scour prevention. From the literature, it is concluded that pier modifications are the most effective and active area of research in which lenticular pier shape, lenticular hooked, and airfoil-shaped collar are best suited for reducing the local scour around the pier. Finally, the limitations of the countermeasures mentioned above are presented.

Słowa kluczowe

local scour bridge pier hydraulic countermeasures structural countermeasures biotechnical countermeasures

rozmycie lokalne filar mostu środki zaradcze hydrauliczne środki zaradcze konstrukcyjne środki zaradcze biotechniczne

Wydawca

Instytut Geofizyki PAN
Springer

Czasopismo

Acta Geophysica

Rocznik

2025

Tom

Vol. 73, no. 1

Strony

701--728

Opis fizyczny

Bibliogr. 107 poz.

Twórcy

autor

Bharadwaj Mangu Rahul

mrahulbharadwaj1996@kgpian.iitkgp.ac.in

Department of Civil Engineering, Indian Institute of Technology Kharagpur, Kharagpur 721302, India

autor

Gupta Lav Kumar

gk701902@student.nitw.ac.in

Department of Civil Engineering, National Institute of Technology, Warangal 506004, India

https://orcid.org/0009-0006-4592-9077

autor

Pandey Manish

mpandey@nitw.ac.in

Department of Civil Engineering, Indian Institute of Technology Kharagpur, Kharagpur 721302, India

autor

Valyrakis Manousos

mvalyrak@gmail.com

School of Civil Engineering, Aristotle University of Thessaloniki, Thessaloniki, Greece

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr POPUL/SP/0154/2024/02 w ramach programu "Społeczna odpowiedzialność nauki II" - moduł: Popularyzacja nauki (2025).

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Bibliografia

Identyfikator YADDA

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