Table Of Contentkonietzky_cover.qxd 01-07-2004 15:32 Pagina 1 (PANTONE 375 C Plaat)
Konietzky
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Konietzky-Prelims 1/7/04 12:26 1^12
NUMERICAL MODELING OF DISCRETE MATERIALS
INGEOTECHNICALENGINEERING,CIVILENGINEERING,ANDEARTHSCIENCES
TThhiiss ppaaggee iinntteennttiioonnaallllyy lleefftt bbllaannkk
Konietzky-Prelims 1/7/04 12:26 3^12
PROCEEDINGSOFTHE1STINTERNATIONALUDEC/3DECSYMPOSIUM:NUMERICALMODELING
OFDISCRETEMATERIALSINGEOTECHNICALENGINEERING,CIVILENGINEERING,ANDEARTH
SCIENCES,BOCHUM,GERMANY,29 SEPTEMBER ^ 1OCTOBER,2004
Numerical Modeling of
Discrete Materials
In Geotechnical Engineering,
Civil Engineering, and Earth Sciences
Edited by
Heinz Konietzky
ITASCA Consultants, Gelschenkirchen, Germany
A.A. BALKEMA PUBLISHERS LEIDEN/ LONDON/ NEW YORK/ PHILADELPHIA/ SINGAPORE
CRC Press
Taylor & Francis Group
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Boca Raton, FL 33487-2742
© 2004 by Taylor & Francis Group, LLC
CRC Press is an imprint of Taylor & Francis Group, an Informa business
No claim to original U.S. Government works
Version Date: 20150115
International Standard Book Number-13: 978-1-4822-5988-9 (eBook - PDF)
This book contains information obtained from authentic and highly regarded sources. Reasonable efforts have been made to pub-
lish reliable data and information, but the author and publisher cannot assume responsibility for the validity of all materials or the
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Konietzky-Prelims 1/7/04 12:26 5^12
NumericalModelingofDiscreteMaterials^Konietzky(ed.)
(cid:30)2004Taylor&FrancisGroup,London,ISBN9058096351
Table of Contents
Preface IX
Organization XI
Masonry Structures
Comparative computations ofmasonry archbridges usingcontinuum anddiscontinuum mechanics 3
R.Schlegel, K. Rautenstrauch &J.Will
Modeling stonemasonry dynamicswith 3DEC 7
J.V. Lemos
Failureanalysis ofmasonry shear walls 15
R.Schlegel &K. Rautenstrauch
Tunnels and Caverns
The Gotthard-Base-Tunnel: conceptual modelingfortunnelingextremely weak zones 21
H.Konietzky, L. teKamp& H.Hagedorn
Astudy onthedeformationof theliningofa circular tunnelaccording tothevariation of
ground condition 29
Y.S.Oh,T.W.Ha,J.S. Lee&Y.W.Park
Modeled versusobserved tunnelperformance inweak bedded rockunder highcover:
theDhiarizos tunnelcase study(Cyprus) 35
S.C.Bandis, J.C.Sharp,C.A.Schinas, G.N. Vardakis&P.I. Chrysochoou
UDEC modelingoftunnel cavern excavation in Sydney 43
Y. Sun& R.Bertuzzi
Numerical analysisof thebehavior ofa karst cavern atCastellana-Grotte, Italy 49
P.Lollino, M.Parise&A.Reina
Modeling-aided designofa verylarge spanunderground excavation 57
S.C.Bandis,C.A. Schinas&J.C.Sharp
Stabilitystudy ontheXiaolangdipowerhouse cavern byUDEC andDIANA 65
Z. Huang,E.Broch &M.Lu
DEM research onthemechanical behavior of jointedrockmass and
thesupportstructure ofshallow tunnels 73
G.Wang,F. Heinrich &H.Konietzky
Mining and Waste Repositories
Useof 3DEC topredictroofmovements in thickcoal seam operationswhere non-entry
faces are employed 85
C. Liu&Y. Tan
V
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Numerical modelingwith 3DEC andrisk assessment for ageometrically complex and
highlystressedsillpillar atOnaping Mine 89
C.P.O’Connor, P.P.Andrieux,C. Pritchard &B.P.Simser
Influence of rockmass characteristics oninflowinto depositionholesfornuclear waste
disposal –a coupledhydro-mechanical analysisusing 3DEC 95
D.MasIvars, E. Hakami&O.Stephansson
Back analysisrock burstVo¨lkershausen 1989 105
W.Minkley
Safety assessment forthelandsurface inthevicinity ofthepotash shaftNeustaßfurt VI 113
K. Salzer,W.Minkley &T. Popp
Determination and validationof therockmass post-peak mechanical properties for a3DEC
strain-softening modelof the680SillPillar atLouvicourt Mine 121
P.P.Andrieux, H.Zhu,D.Labrie, C. Doucet, S.Lampron &D.Fleury
General Geomechanics
Modeling creep injointedrockmasses 131
R.Glamheden, H.Ho¨kmark &R. Christiansson
3D-hydromechanical modelingof hydraulicstimulationof deepgeothermal wells inHot Fractured
RockatSoultz-sous-For^ets (Alsace-France) 139
A.Hosni, S.Gentier, X.Rachez &D.Billaux
UDEC modelingofconstant normalstiffness direct shear tests 145
J.B. Szymakowski
UDEC modelingoftruck dumping 151
Y. Sun
Numerical stress fieldmodelingforunderground structures 155
H.Konietzky &L.teKamp
3DEC modelingresultsgeneralized bystochastic approach 165
J.Jakubowski
Syntheticearthquake sequences – aspectsof thespatiotemporalevent distribution 175
H.Schelle&G.Gru¨nthal
Simulationof tectonic historytodefine rockmass stresses onaregional geological scale 183
I.H.Clark
Rock Reinforcements
Dynamic rock bolttest andUDEC simulations fora largecavern under shock load 191
H.Hagedorn
The elasto-plastic material behavior ofrockanchors withhardening and itsapplicationin mining 199
A.Hausdorf, F.Heinrich & H.Konietzky
Discussion onthedetermination oftheK parameter forthenumerical modelingof
bond
cablebolt elementswith 3DEC 209
H.Zhu
Rockboltingand rock supportandtheir combinationinhard coal mining– acomparative
studymade with UDEC 213
U.Lendel
VI
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Mining reinforcement viabilitydeterminationin situin strongtectonizedrock mass
usingDKRControl method 219
Gy. Dea´k,S¸t.E. Dea´k,M.Georgescu, C.Predescu, M.Scurtu &C.Cioata
Slopes, Dams and Foundations
Aninvestigation onstability and supportof intakerockslopes of Karun III Damand power project 229
N. Meyer &K.Ahangari
Anumerical studyaboutflexure topplingphenomenon onrock slope 235
Y. Mitani,T. Esaki&Y. Cai
AUDEC model for‘‘kinkband slumping’’ typefailures ofrockslopes 243
A.Preh &R. Poisel
Application of adiscontinuitymodel withsoftening totheanalysis ofdamfoundations
usingtheDiscrete Element Method 249
R.Resende, J.V. Lemos &P.B.Dinis
Foundationonrock: effect ofrock fractures onsettlement of bridgepiers 257
P.Alfonsi, O.Fouche(cid:2)&E.Bourgeois
Stress and seepage analysesfor agravitydam ona jointedgranitic rockmass 263
G.Barla,M.Bonini&G.Cammarata
Numerical analysisof an oldmasonry damusingUDEC 269
M.Dolezalova
Footwall slopefailure mechanisms anddesignconsiderations usingUDEC 279
L.R.Alejano
Application of UDECto astress-related mineslopefailure atLeighCreek, South Australia 289
M.A. Coulthard, D.S.Lucas &P.G. Fuller
Author Index 297
VII
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Konietzky-Prelims 1/7/04 12:27 9^12
NumericalModelingofDiscreteMaterials^Konietzky(ed.)
(cid:30)2004Taylor&FrancisGroup,London,ISBN9058096351
Preface
This volume contains 40 of the 50 papers presented at the 1st International UDEC/3DEC Symposium on
‘‘Numerical Modeling of Discrete Materials in Geotechnical Engineering, Civil Engineering and Earth Sci-
ences’’ held in Bochum, Germany, September 29 – October 01, 2004. The conference was organized by
ITASCAConsultantsGmbH,Germany.
Thecontributionspresentedherefocusonapplicationsandnewdevelopmentsinthefollowingfields:
(cid:1) rockslopestability,deformationandfailuremechanisms
(cid:1) tunnelsandcavernsinfracturedrockmasses
(cid:1) applicationofDEMinundergroundandsurfacemining
(cid:1) reinforcementdesign(anchors,shotcrete,bolts)
(cid:1) damanalysis
(cid:1) earthquake,faultandrockburstmodeling
(cid:1) mechanicalbehaviorofmasonrystructures(walls,bridges,towers,columns)
(cid:1) micromechanicalparticlebehavior
(cid:1) dynamicbehaviorofdiscretestructures
Severalpapersrelatedtotheuseofparticle-basedmethods,likePFC,werepresentedattheUDEC/3DEC
Symposium.ThesepapershavebeenincludedintheProceedingsofthe2ndInternationalPFCSymposiumon
‘‘NumericalModelinginMicromechanicsviaParticleMethods,’’heldinKyoto,Japan,October28–29,2004.
OnbehalfoftheOrganizationCommitteeIwouldliketoacknowledgeseveralcolleaguesfromourforeign
ITASCA offices, especially Mrs. Michele Nelson and Mrs. Valerie Gustafson for handling the written pub-
licationsaswellasDr.PeterCundall,MarkChristiansonandDr.RogerHartfordiscussionsontechnicaland
scientificdetails.
H.Konietzky
Editor
IX
