Scour and Erosion
Proceedings of the 8th International Conference on Scour and Erosion (Oxford, UK, 12-15 September 2016)

Table of Contents

Keynotes

25 years of fixing bridges on gravel mined rivers in California
C.M.C. Avila

Scour and sedimentation of submarine pipelines: Closing the gap between laboratory experiments and field conditions
S. Draper, L. Cheng & D.J. White

Hydrodynamics of sediment transport: Grain scale to continuum scale
S. Dey & Sk.Z. Ali

Lessons on internal erosion in embankment dams from failures and physical models
J.J. Fry

Advanced numerical modelling of scour and erosion

Numerical simulation on local scour below a weir using Two-phase WC-SPH method
A.M. Abdelrazek, I. Kimura & Y. Shimizu

3D Numerical modelling of pile scour with free surface profile under waves and current using the level set method in model REEF3D
N. Ahmad, H. Bihs, A. Kamath & O.A. Arntsen

Micro-scale characterization of fluid flow in a uniform particle pack using coupled discrete element-lattice Boltzmann method
M. Aminpour, S.A. Galindo-Torres, A. Scheuermann & L. Li

Using DEM to assess the influence of stress and fabric inhomogeneity and anisotropy on susceptibility to suffusion
K. Kawano, C. O’Sullivan & T. Shire

Numerical simulation of scour infilling in overset grid
H. Kim, H.C. Chen & J.-L. Briaud

Numerical simulation of scour below pipelines using flexible mesh methods
J.M. Nunez Rattia, J.R. Percival, B. Yeager, S. Neethling & M.D. Piggott

Simulation of sand particle transport by coupled CFD-DEM: First investigations
D. Plenker & J. Grabe

Development and verification of a finite volume model for hydraulics over multi-layered erodible beds
T. Rowan & M. Seaid

Phenomenological interpretation of internal erosion in granular soils from a discrete fluid-solid numerical model
L. Sibille, D. Marot, P. Poullain & F. Lomine

Numerical modeling of particle migration in granular soils
I.G. Tejada, L. Sibille, B. Chareyre & E. Vincens

Numerical investigation of the particle skeleton of widely graded soils prone to suffusion
P. Winkler, H. Jentsch, M.R. Salehi Sadaghiani & K.J. Witt

Coastal and offshore scour and erosion

Effect of vibration on the scour process around cylindrical structures under unidirectional flow in a sandy bed
M. Al-Hammadi & R.R. Simons

Sediment transport and shoreline erosion induced by bichromatic waves with varying group period
J.M. Alsina, J. van der Zanden, J.S. Ribberink & I. Caceres

Characteristics of scour and flow field beneath a forced vibrating circular cylinder
Y.-M. Chiew, S.-C. Hsieh & Y.M. Low

Self-burial of objects on sandy beds by scour: A synthesis of observations
C.T. Friedrichs, S.E. Rennie & A. Brandt

Investigation of scour onset under seabed pipelines with geometric irregularities
T. Griffiths, S. Draper, W. Sun, D. White, L. Cheng & H. An

Exploring the bifurcation between sedimentation versus scour onset below pipelines in unidirectional currents
T. Griffiths, S. Draper, W. Sun, D. White, L. Cheng & H. An

Local scour and flow characteristics around a circular cylinder undergoing vortex-induced vibration
S.-C. Hsieh, Y.-M. Chiew, M.-X. Wei & Y.M. Low

A full scale propeller wash erosion test on heterogeneous cohesive material
Y. Karelle, P. Sharpe, G.M. Pizzo, P. Haerens & V. Albanese

Laboratory experiments on scour around flat circular buckets for high waves and strong current at Wido Windfarm, Westsouth Sea, Korea
H. Kim, I. Kim, S. Lee & T. Hong

Sandwaves and megaripples at Race Bank (UK) offshore windfarm
S.M. Larsen, A. Roulund, A.J. Brooks & A. Chaffey

Time scales for scour below pipelines and around vertical piles due to nonlinear random waves
D. Myrhaug, M.C. Ong & S. Dyrseth

Determination of optimum wave reflection of seawalls via experimental modeling
K. Nassar & A.M. Negm

Scour below marine pipelines due to random waves on mild slopes
M.C. Ong, P. Fu & D. Myrhaug

Seabed preparation design and construction for the Malampaya phase 3 depletion compression platform
J. Opkar, L. Lorenti & A. Grime

Thermomechanical erosion modelling of Baydaratskaya Bay, Russia with COSMOS
S.G. Pearson, R. Lubbad, T.M.H. Le & R.B. Nairn

Numerical study of local scour effects on the lateral pile-soil interaction
W.-G. Qi & F.-P. Gao

Scour protection design in highly morphodynamic environments
H.J. Riezebos, T.C. Raaijmakers, A. Tonnies-Lohmann, S. Wasmuth & P.W. van Steijn

Parametric equations for Shields parameter and wave orbital velocity in combined current and irregular waves
A. Roulund, J. Sutherland, D. Todd & J. Sterner

Effect of bottom roughness on sediment transport due to streaming beneath linear propagating waves with an angle of attack on current
M. Saud Afzal, L.E. Holmedal & D. Myrhaug

The influence of physical cohesion on scour around a monopile
R.J. Schindler, S. Stripling, R.J.S. Whitehouse & J.M. Harris

Scour properties of mono bucket foundation
I.-E. Stroescu & P. Frigaard

Model experiments and simulations on influence of liquefaction on scour at a landward toe of coastal dykes due to tsunami overflow
N. Takegawa, Y. Sawada, K. Murai & T. Kawabata

Impact of the 2011 tsunami on the littoral system around offshore breakwaters on Sendai Coast
H. Tanaka, Y. Mitobe & A. Mori

Scour development around structures with non-uniform cylindrical geometries
N.S. Tavouktsoglou, J.M. Harris, R.R. Simons & R.J.S. Whitehouse

The stability of a block mattress in a propeller induced jet
G. van Velzen, M.P.C. de Jong, J.P. Quataert & H.J. Verheij

Propagation modes of 3D scour below a submarine pipeline in oblique steady currents and waves
Z.P. Zang, G. Tang & L. Cheng

Local scour around two subsea pipelines in an oscillatory flow
M. Zhao, M. Liu, L. Lu, L. Cheng, H. An & S. Draper

Scour patterns below pipelines and scour hole expansion rate
Y. Zhu, L. Xie & X. Liang

Internal erosion

A discrete numerical description of the mechanical response of soils subjected to degradation by suffusion
R. Aboul Hosn, L. Sibille, N. Benahmed & B. Chareyre

Modeling of particles migration in porous media: Application to soil suffusion
C. Ahmed & B. Ahmed

Assessing the efficiency of filters protecting base soil subject to erosion
S. Azirou, A. Benamar & A. Tahakourt

Hydraulic failure by heave and piping
J. Garai

Characterisation of flow conditions for contact erosion analysis using PIV
H.M.D. Harshani, S.A. Galindo-Torres & A. Scheuermann

Experimental identification of the dominant fabric in widely graded soils
H. Jentsch, P. Winkler, M.R. Salehi Sadaghiani & K.J. Witt

Physical modelling of backward erosion piping in foundation beneath levee
N. Koito, K. Horikoshi & A. Takahashi

Suffusion susceptibility characterization by triaxial erodimeter and statistical analysis
V.T. Le, D. Marot, A. Rochim, F. Bendahmane & H.H. Nguyen

Impact of soil treatment on internal erosion resistance and hydro-mechanical characteristics of a silty soil
A. Mehenni, O. Cuisinier, F. Masrouri & E. Lavallee

Experimental and numerical investigation of backward erosion piping in heterogeneous sands
G. Negrinelli, V.M. van Beek & R. Ranzi

Localized fluidization in a granular medium: Parametric study with a physical model of “sand boiling”
P. Philippe, P. Cuellar, L.-H. Luu, S. Mena & J.S. Curtis

Laboratory investigation of backward erosion piping—effects of inclined exit face and constricted seepage exits
J.D. Rice, I.A. Ibrahim, R.A. Keizer Jr. & R.A. Jaeger

A possible characterization of suffusion susceptibility independent of the hydraulic loading history?
A. Rochim, D. Marot, L. Sibille & V.T. Le

Experimental findings of soil particle movement in 2D seepage failure of soil using particle image velocimetry
T. Tanaka, S. Sannabe, S. Nagai, K. Kasamatsu & K. Inoue

Interpreting filtration-based suffusion criteria using micro-computed tomography and laboratory filter tests
H.F. Taylor, C. O’Sullivan & W.W. Sim

Management of scour/erosion and sediment (including hazard management and sedimentation in dams and reservoirs)

Alleviation of the scouring problem downstream of dam spillways through a reversed cross-jet flow dissipator
A.D.A. Alghwail

Detecting scour and liquefaction using OBS sensors
H. An, L. Cheng, M. Zhao, G. Tang & S. Draper

Lime treated soil erodibility investigated by EFA erosion testing
A. Bennabi, G. Herrier & D. Lesueur

Simplified comprehensive scour model compared to erodibility index method
E. Bollaert

Rock scour in Australia: Some latest Queensland experiences
E. Bollaert, E. Lesleighter, S. McComber, P. Bozorgmehr, L. Fahey & D. Scriven

Scour potential at Laouzas Dam
E. Bollaert, F. Morel, B. Blancher & P. Lucquiaud

The borehole erosion test
J.-L. Briaud, M. Chedid & A. Shidlovskaya

Research to improve the applicability of ICOLD Bulletin 164 on internal erosion
R. Bridle

Assessing the risks associated with internal erosion phenomena in aging embankment dams: A New Zealand perspective
K.A. Crawford-Flett & J.J.M. Haskell

CARDigues: An integrated tool for levee system diagnosis and assessment
E. Durand, J. Maurin, B. Bridoux & A. Boulay

Lime treatment of slightly clayey coarse soil for the control of internal erosion by suffusion
R. Elandaloussi, A. Bennabi, J.-C. Dupla, J. Canou, A. Benamar & P. Gotteland

The human factor in an effective structure management system
S. Hand, L. Caldwell & J. Scannell

Surface erosion countermeasures incorporating geotextiles
M. Heibaum

Effects of transitions and objects on the erodibility of grass revetments on dikes
G. Hoffmans, D. Stuparu, A. van Hoven & A. Labrujere

Hydraulic study on scouring downstream of Funagira Dam spillway apron (Japan)
Y. Kitamura & S. Takagi

Overflow erosion on mixed kaolin-sand embankments
F. Lachaussee, D. Pham Van Bang, V. Vidal, C. Chevalier, O. Ndoye, F. Szymkiewicz, C. Minatchy, F. Martineau & K. Watanabe

Dikes reinforced by deep mixing techniques—long term properties
A. Le Kouby, C. Chevalier & L. Saussaye

Investigation of sediment accumulation in Nubia Lake, using RS/GIS
A.M. Negm & M.A. Elsahabi

Towards quantifying rate of scour using the erodibility index method: Case study
A.J. Rock, G.W. Annandale & J.D. Higgins

Induced shear stress measurement in overtopped floodwalls
P. Safarian Bahri, A. Osouli, D. Molohon & F. Lagunas

Prediction of scour in overtopped floodwalls using JET and EFA
P. Safarian Bahri, A. Osouli & E. Stendback

Influence of uncertainties in internal erosion assessments of existing embankment dams
M. Smith

Application of wireless tracer GPRS riverbed scour monitoring for disaster warning
C.C. Su & H.C. Yang

Continuous grid monitoring to optimize sedimentation management
T. Van Hoestenberghe, R. Vanthillo, P. Heidinger, J. Dornstadter, N. Dezillie & N. Van Ransbeeck

River and estuarine erosion including scour around structures

Mutual interference of bridge piers placed in staggered arrangement on scour depth
M. Beg

Estimation of scour for bridges in Illinois
R. Chaulagai, P. Safarian Bahri & A. Osouli

Prototype measuring of erosion and currents under the keel of a sailing ship in a canal
K. Dorst, D.J. Meys, M. Schroevers & H.J. Verheij

Hydrodynamic effects of debris blockage and scour on masonry bridges: Towards experimental modelling
M. Ebrahimi, P. Kripakaran, S. Djordjević, G. Tabor, R. Kahraman, D.M. Prodanović & S. Arthur

Screening methodology for bank erosion estimation at pipeline watercourse crossings
G. Ferris & S. Newton

Experimental study of scour around a complex pier with elliptical pile-cap
P. Gautam, T.I. Eldho & M.R. Behera

Bridge scour protection
M. Hawkswood & M. King

A simple method for estimating flood discharge in gravel-bed channels with varied riverbed level
J.-H. Hong, W.-D. Guo, H.-W. Wang & P.-H. Yeh

A case of severe channel-morphology change due to human influences in the Touqian River, Taiwan
M.-W. Huang, K.-W. Li, J.-J. Liao, Y.-W. Pan & D.-H. Lee

Shallow foundations for the support of vertical-wall bridge abutments: Interaction between riprap and contraction scour
C. Huang, O. Suaznabar, Z. Xie, J. Shen, N. Tsou, C. Lin & K. Kerenyi

Scour hole development in river beds with mixed sand-clay-peat stratigraphy
Y. Huismans, G. van Velzen, T.S.D. O’Mahoney, G. Hoffmans & A.P. Wiersma

Numerical analysis of bed elevation and bank line changes at the confluence of Nakdong and Geumho Rivers in Korea
E.K. Jang & U. Ji

Analytical design for stable channel geometry of Naesung Stream in Korea
U. Ji & E.K. Jang

An experimental study of live-bed scour at circular pier in covered flow
O. Lauva & A. Radice

Flood threshold value for bridge scour prediction and warning
F.-Z. Lee, J.-S. Lai, K.-C. Chang, Y.-B. Lin, H.-K. Chang, W.-D. Guo, Y.-C. Tan & C.-C. Huang

Numerical simulations of bedrock erosion around the bridge
C.T. Liao, K.C. Yeh, K.-W. Li, R.K. Jhong & K.W. Wu

A model for scour around bridge piers caused by flood waves
O. Link, A. Pizarro, C. Castillo, B. Ettmer & S. Manfreda

Developments of low cost riverbank protection in Bangladesh
K. Oberhagemann & A.M. Aminul Haque

Bed morphology changes at river contractions
G. Oliveto & M.C. Marino

Small-scale physical modelling of scour at bridge piers with light-weight sediments
S. Perrin, C. Keppers, S. Roux & E. Murphy

The development of automated spatial and temporal measurement system for lab-scale local scour
M. Porhemmat, W.H.M. Wan Mohtar & A. El-Shafie

Physical modelling of debris flow deposits in contiguous confluences
L.M. Stancanelli, E. Foti & S. Lanzoni

A computational approach to the study of the stability of pier riprap at the Middle Fork Feather River
O. Suaznabar, J. Shen, N. Tsou, C. Bojanowski, S. Lottes, K. Flora, F. Jalinoos & K. Kerenyi

Experimental study of scour around bridge piers of different arrangements with same aspect ratio
B.A. Vijayasree & T.I. Eldho

Feature of the vortex and the jet flows around and inside the three-row pile group
A.V. Voskobijnyk, V.A. Voskoboinick, O.A. Voskoboinyk, L.M. Tereshchenko & I.A. Khizha

Pressure fluctuations on the scour surface before prismatic pier
V.A. Voskoboinick, A.V. Voskoboinick, O.O. Areshkovych & O.A. Voskoboinyk

The influence of upstream weir slope on live-bed scour at submerged weir
L. Wang, B.W. Melville & H. Friedrich

Effect of densimetric Froude number on local bridge pier scour
P. Williams, R. Balachandar & T. Bolisetti

Incipient motion of sediment in rectangular open-channel flow with a submerged rigid vegetation zone
W. Xue, S. Wu, X. Wu, J. Zhou & J. Dai

Sediment transport: Grain scale and continuum scale

Feed-back on the development of a small scale contact erosion test in the laboratory (characteristic size ~30 cm)
R. Beguin, P. Pinettes, C. Picault, L. Duchesne & J.-R. Courivaud

Local mechanisms of cohesive soil erosion
F. Brunier-Coulin, P. Cuellar & P. Philippe

Changes in soil deformation and shear strength by internal erosion
C. Chen, L.M. Zhang & D.S. Chang

Core crack-filling by upstream gap-graded soils in zoned dams
R. Correia dos Santos, L. Caldeira & E. Maranha das Neves

Micromechanical features of jet erosion—a numerical perspective
P. Cuellar, L.-H. Luu, P. Philippe, F. Brunier-Coulin, N. Benahmed, S. Bonelli, J.-Y. Delenne & J. Ngoma

The importance of permeability in granular filter design and control
F. Delgado-Ramos, D. Escudero-Merino & C. Olalla

Experiments on submerged slope erosion under unsteady water head
X. Liang, L. Xie & Y. Zhu

Scour of soil with dynamics interactions among soil-water induced by jet flow
T. Matsuda, K. Maeda & A. Yamaguchi

The hydrodynamics of a recirculating (O-tube) flume
H. Mohr, S. Draper, D.J. White, L. Cheng, H. An & Q. Zhang

Development of a new submersible test to characterise the erosion of soils and sediments
O. Ndoye, C. Chevalier, P. Reiffsteck, C. Minatchy, S. Fanelli & D. Pham Van Bang

Mechanics and simulations of the groundsill damage due to the impacts from pebbles/cobbles
Y.-W. Pan, K.-P. Leong, J.-J. Liao & C.S. Ku

Modification of an erodibility category limit for the pocket erodometer
R. Rahimnejad & P.S.K. Ooi

Experimental investigations of critical hydraulic gradients for a soil prone to suffusion
M.R. Salehi Sadaghiani, K.J. Witt & B. Odenwald

Stability of wide-graded granular filters under oscillatory flow
D. Schurenkamp, H. Oumeraci & J. Kayser

Relationship between soil erodibility and engineering properties
I. Shafii, J.-L. Briaud, H.C. Chen & A. Shidlovskaya

Calibration of erodibility testing devices for bridge design support
H. Shan, O. Wiblishauser, C. Lin, J. Shen & K. Kerenyi

Measurement of constriction size distributions using three grain-scale methods
T. Shire, C. O’Sullivan, H.F. Taylor & W.W. Sim

Non-dimensional formulization of the critical hydraulic head difference for seepage failure of soil in front of sheet piles
T. Tanaka & T. Miki

The consistency of laboratory jet erosion tests performed on undisturbed samples
J.L. Wibowo & B.A. Robbins

Development of experimental methodology of investigating the relative and interactive effects of physicochemical properties of permeating fluids on incipient motion of granular particles
M. Xiao & B.T. Adams

Variation of small strain stiffness for piping-influenced Toyoura sand
Y. Yang, R. Kuwano & X. Chao

A field erodibility testing device for scour evaluation of bridges
M. Zinner, T. Meyer, H. Shan, J. Shen, B. Bergendahl & K. Kerenyi

Terrestrial scour and erosion

Investigation into the multiple recent sinkholes in Pokhara, Nepal
R. Kuwano, T. Kiyota, R.M. Pokhrel, T. Katagiri, T. Ikeda, Y. Yagiura, T. Yoshikawa & J. Kuwano

Model tests on subsurface cavities below road pavement due to sand eruption from the liquefied ground
J. Kuwano, R. Kuwano & Y. Horiuchi

Application of SWAT model to estimate the annual runoff and sediment of Duhok reservoir watershed
M.E. Mohammad, N. Al-Ansari & S. Knutsson