Results 11 to 20 of about 2,577,284 (154)

Seabed Protection Systems to prevent Scour from High-Speed Ships [PDF]

open access: yes, 2010
This document reviews the scour protection systems required around port structures where these are to be used for the berthing of vessels powered by water jet systems.
Evans, G.
core   +7 more sources

Experimental Characterization of the Flow Field around Oblong Bridge Piers

open access: yesFluids, 2021
The prediction of scour evolution at bridge foundations is of utmost importance for engineering design and infrastructures’ safety. The complexity of the scouring inherent flow field is the result of separation and generation of multiple vortices and ...
Ana Margarida Bento   +3 more
doaj   +1 more source

Morphology Evolution of Three-Dimensional Scours Under Submerged Jets

open access: yesFrontiers in Earth Science, 2022
Through physical model tests, the three-dimensional morphological features and their scale changes with time were measured and comparatively analyzed during the scouring of a homogeneous granular bed surface using submerged oblique jets.
Ke-ling Chen, Wang-ru Wei, Jun Deng
doaj   +1 more source

Visualization Tests on Variation of Scour Front under a Pipeline in Steady Currents

open access: yesJournal of Marine Science and Engineering, 2019
The intersection of the span shoulder and the scour hole under a pipeline, also called the scour front, can affect the scour hole extension rate and the bearing capacity of the span shoulder, which is associated with pipeline spanning and failure ...
Liquan Xie, Yehui Zhu, Tsung-Chow Su
doaj   +1 more source

Electromagnetic Sensors for Underwater Scour Monitoring

open access: yesSensors, 2020
Scour jeopardises the safety of many civil engineering structures with foundations in riverbeds and it is the leading cause for the collapse of bridges worldwide.
Andrea Maroni   +5 more
doaj   +1 more source

Investigation on local scour downstream of adverse st

open access: yesAin Shams Engineering Journal, 2014
This paper is focused on local scour downstream of adverse stilling basins where a submerged wall jet issued from a sluice gate. Experiments were conducted in a wide range of Froude numbers, grain sizes, tailwater depths, and stilling basin slopes.
Javad Farhoudi, Hossein Khalili Shayan
doaj   +1 more source

Laboratory Experiments and Numerical Model of Scour at Upstream of a Slit Weir [PDF]

open access: yesJournal of Applied Sciences and Nanotechnology, 2023
This study presents an experimental measurements and three-dimensional simulation of time-varying scour, along with the variables affecting the resulted scour hole dimensions and evolution at center and side weirs.
Ruaa Hamdan   +2 more
doaj   +1 more source

Modelling local scour around bridge piers using TELEMAC [PDF]

open access: yes, 2005
Scour at bridge crossings is a major cause of bridge failure. There are several different types of scour such as general scour, constriction scour and local scour.
Kabir, Alamgir
core   +1 more source

Study of the time-dependent clear water scour around circular bridge piers

open access: yesJournal of Hydrology and Hydromechanics, 2017
The local scour around bridge piers influences their stabilities and plays a key role in the bridge failures. The estimation of the maximum possible scour depth around bridge piers is an important step in the design of the bridge pier foundations.
Aksoy Aysegul Ozgenc   +3 more
doaj   +1 more source

Using the movability number to model local clear-water scour in rivers [PDF]

open access: yes, 2007
Includes bibliographical references.Local scour is associated with a considerable number of bridge failures worldwide. It occurs at bridge piers and abutments as a result of interactions between complex flow features and the channel bed.
Abban, Benjamin
core   +1 more source

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