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Proceedings pro058 : International RILEM Symposium on Concrete Modelling - ConMod'08


Title: International RILEM Symposium on Concrete Modelling - ConMod'08
Edited by E. Schlangen and G. De Schutter
ISBN: 978-2-35158-060-8
e-ISBN: 978-2-35158-076-9
Pages: 844
Publication date: 2008

It was at the end of a Gordon Conference in Italy, in the late nineties, that Professor Wittmann kindly offered me a lift to Pisa. During that trip we discussed the idea of organizing an international workshop on concrete modelling. Modelling of concrete at different scales and with input from different disciplines. Obviously our trip was too short to fix a date already. Probably we both intuitively felt that, in spite of our excitement about such an event, every-day business would not leave us with time to organize it. But the idea was there and, fortunately, this time postponement did not lead to cancellation. A couple of years later I discussed the idea with colleagues from Switzerland, USA, Canada, Japan and Belgium. Their positive reactions made us deciding to set the preparations for a concrete modelling conference in motion.
The original plan was to organize the first CONMOD conference in 2006. However, that would have created a big overlap with a RILEM symposium in Quebec, where one of the themes was just on Concrete Modelling, the theme we were aiming at. We decided to postpone our Concrete Modelling conference with two years until 2008. Meanwhile we ‘baptized' the Quebec symposium the first CONMOD conference in a series of conferences on this particular topic. Since much progress is expected in the field of modelling in the coming decade, the intention is now to organize a series of CONMOD conferences with an interval of two years. This will enable PhD students working on this topic to attend two CONMOD conferences during their study. This is considered a good condition for making contacts with colleagues from all over the world and for intensifying these contacts if appropriate.
CONMOD conferences are supposed to be a platform for researchers active in modelling of concrete at different length scales and coming from different scientific disciplines. During the conferences the background of models will be discussed, for what purpose models are developed, the modelling concepts and computation techniques that are adopted, as well as the validation of models.
The fact that almost hundred papers were submitted to CONMOD’08 from more than twenty countries illustrates the relevance of the topic and the interest of researchers to share their ideas and results with colleagues. We do hope that sharing and discussing ideas will generate further momentum in modelling activities, break open unexpected directions in research and will, in the end, lead to improvements and innovations in materials and structural design.
CONMOD’08 is a RILEM event and has been organized jointly by the University of Genth / Magnel Laboratory and Delft University of Technology / Microlab. The organizers would like to thank all the sponsors of CONMOD’08 and the respected delegates from all over the world to make this conference a success. Finally I would like to express my appreciation for Professor Wittmann’s presence as one of our keynote speakers.

Prof.dr.ir. Klaas van Breugel
Chairman Organising Committee
April 2008, Delft, The Netherlands


Contents


Foreword
Author(s): K. van Breugel
Pages: XXI - XXI

On the development of models and their application in concrete science
Author(s): F.H. Wittmann
Pages: 1 - 11

Modelling damage from ice and salt
Author(s): G.W. Scherer
Pages: 13 - 23

Risk management for civil engineering & oil gas infrastructures: the use of models for performance & risk assesment
Author(s): B. Gérard, B. Capra, H. De Jonge
Pages: 25 - 36

Beyond multi-scale modelling
Author(s): K. van Breugel
Pages: 37 - 46

Prediction of the mechanical properties of the major constituent phases of cementitious systems by atomistic simulations
Author(s): H. Manzano, J.S. Dolado, A. Ayuela
Pages: 47 - 55

Model for heat release of fly ash - cement pastes
Author(s): G. Baert, G. De Schutter, N. De Belie
Pages: 57 - 64

Recent advances in the determination of ionic diffusion using migration test results
Author(s): E. Samson, J. Marchand, P. Henocq, P. Beauséjour
Pages: 65 - 78

Modeling adiabatic temperature rise during concrete hydration with the use of artificial neural networks
Author(s): G. Trtnik, F. Kavcic, G. Turk
Pages: 79 - 86

Simulation of the particle size distribution during the early hydration of portland cement
Author(s): S. Brendle, S. Erfurt, M.R. de Rooij
Pages: 87 - 94

Coupled FEM model for concrete exposed to fire loading
Author(s): J. Surovec, P. Kabele, J. Cervenka
Pages: 95 - 102

Design of fire resistant concrete structures, using validated Fem models
Author(s): S.J.F. Erich, A.B.M. v. Overbeek, G.H.A. v.d. Heijden, L. Pel, H.P. Huinink, A.H.J.M. Vervuurt
Pages: 103 - 110

Concrete’s behaviour modeling at high temperatures, Influence of mechanical models and study scales
Author(s): C. De Sa, F. Benboudjema
Pages: 111 - 118

Modeling the microstructure change of high performance cement paste at elevated temperatures
Author(s): X. Liu, G. Ye, G. De Schutter, Y. Yuan
Pages: 119 - 130

Fire spalling of concrete as studied by NMR, model validation
Author(s): G.H.A. van der Heijden, L. Pel, H.P. Huinink, K. Kopinga
Pages: 131 - 138

Compressive strength evolution in early-age Portland Cement paste predicted by a micromechanical model
Author(s): B. Pichler, C. Hellmich, J. Eberhardsteiner
Pages: 139 - 146

Benhur and Vi(CA)2T, two toolboxes to model concrete as an heterogeneous material combining analytical and numerical approaches
Author(s): Y. Le Pape, C. Toulemonde, R. Masson, J. El Gharib
Pages: 147 - 154

Numerical modeling of Portland Cement hydration
Author(s): I. Maruyama, T. Matsushita, T. Noguchi
Pages: 155 - 163

Physical & chemical modeling of the hydration kinetics of OPC paste using a semi-analytical approach
Author(s): E. Guillon, J. Chen, G. Chanvillard
Pages: 165 - 172

Simulating the workability of fresh concrete
Author(s): S. Shyshko, V. Mechtcherine
Pages: 173 - 181

Kinetics of ice growth in cement and concrete
Author(s): Z. Sun, G.W. Scherer
Pages: 183 - 190

Characterisation and modelling of physico-chemical degradation of cement-bases materials used in oil wells
Author(s): N. Neuville, E. Lecolier, G. Aouad, D. Damidot
Pages: 191 - 198

Modelling of the sulphate attack in cement-based materials
Author(s): E. Rozière, A. Loukili, R. El-Hachem
Pages: 199 - 206

Modelling alkali silica reaction in concrete
Author(s): R. Naar, E. Garcia-Diaz, F. Bay, P.O. Bouchard
Pages: 207 - 212

Modeling chemical degradations of cement pastes in contact with aggressive solutions: leaching and carbonation
Author(s): R. Barbarulo
Pages: 213 - 223

Multi-scale time-dependent deformation model or solidifying cementitious materials coupling with aggregate properties
Author(s): S. Asamoto, T. Ishida, K. Maekawa
Pages: 225 - 232

Analytical modelling of the coupling between microstructure and effective diffusivity of cement based materials
Author(s): W. Dridi
Pages: 233 - 241

Amie: a new modelling framework for meso-scale simulation of concrete
Author(s): C.F. Dunant, K. Scrivener
Pages: 243 - 250

Multi-scale Modelling: The Delftcode
Author(s): E.A.B. Koenders, E. Schlangen, K. van Breugel
Pages: 251 - 258

Continuum microviscoelasticity of cementitious materials: upscaling technique and first experimental validation
Author(s): S. Scheiner, C. Hellmich
Pages: 259 - 263

An engineering approach to the problem of natural carbonation accompanied by drying-wetting cycles
Author(s): M. Thiery, V. Baroghel-Bouny, C. Crémona
Pages: 265 - 273

Chloride ingress prediction - part 1: analytical model for time dependent diffusion coefficient and surface concentration
Author(s): J.M. Frederiksen, M. Geiker
Pages: 275 - 282

Chloride ingress prediction - part 2: experimentally based design parameters
Author(s): J.M. Frederiksen, M. Geiker
Pages: 283 - 290

Chemo-mechanical model describing the expansion due to internal sulfate attack: numerical simulation
Author(s): N. Baghdadi, J.F. Seignol, F. Toutlemonde
Pages: 291 - 298

Numerical model of Ca(OH)2 transport in concrete due to electrical currents
Author(s): T. Koster, W.H.A. Peelen, J.A. Larbi, M.R. de Rooij, R.B. Polder
Pages: 299 - 306

Numerical modelling of chloride ingress for service life design of concrete structures
Author(s): M.M.R. Boutz, P.E. Roelfstra, R. Haverkort, G. van der Wegen
Pages: 307 - 315

A multi-scales approach for the physico-chemical deformations of solidifying cement-based materials
Author(s): F. Grondin, M. Bouasker, P. Mounanga, A. Khelidj
Pages: 317 - 324

Multiscale modelling of coupled problems in porous materials
Author(s): J. Carmeliet, H. Derluyn, S. Mertens, P. Moonen
Pages: 325 - 336

Autogenous and drying shrinkage modeling: from paste to concrete
Author(s): J.P Thierry, G. Chanvillard
Pages: 337 - 344

Multi-scale modeling of softening materials
Author(s): O. Lloberas, A. Simone, L.J. Sluys
Pages: 345 - 352

Prediction of physical properties of concrete using mathematical model for cement hydration and microstructure formation
Author(s): H. Sugiyama
Pages: 353 - 360

Model for the formation of microstructure in cement paste during hydration
Author(s): R. Nothnagel, H. Budelmann
Pages: 361 - 368

Numerical experimentation with cement using µic
Author(s): S. Bishnoi, K.L. Scrivener
Pages: 369 - 376

A reaction-diffusion model for simulating 3-D microstructure development of cement paste
Author(s): J.W. Bullard
Pages: 377 - 384

Modeling of calcium leaching from cement hydrates coupled with microstructure formation
Author(s): K. Nakarai, T. Ishida, K. Maekawa, T. Kishi
Pages: 385 - 382

Thermodynamic modelling of the effect of temperature on the hydration of Portland cement
Author(s): B. Lothenbach
Pages: 393 - 400

Experimental results of cement particle growth in the early hydration stage
Author(s): A. Mueller, S. Erfurt
Pages: 401 - 409

Universal modeling for hydration heat generation and strength development of arbitrarily blended cementitious materials based on multicomponent system
Author(s): T. Kishi, Y. Otabe, Z. Lin
Pages: 411 - 418

Modeling of hydration of Portland Cements incorporating supplementary cementing materials
Author(s): K. Park, H. Lee, X. Wang
Pages: 419 - 427

Stability analysis of moisture influential depth in concrete under drying-wetting cycles
Author(s): C. Li, K. Li, Z. Chen
Pages: 429 - 437

Modelling of chloride penetration in concrete with artificial cracks
Author(s): K. Audenaert, G. De Schutter, L. Marsavina
Pages: 439 - 446

Enhanced modeling of moisture equilibrium and transport in cementitious materials under arbitrary temperature and relative humidity history
Author(s): T. Ishida, K. Maekawa, T. Kishi
Pages: 447 - 454

Modelling of chloride transport coupled with moisture migration in concrete with application to cracked concrete structures
Author(s): P. O’Neill Iqbal, T. Ishida
Pages: 455 - 462

Application of reactive transport models in cement-based porous media
Author(s): J. van der Lee, L. De Windt, V. Lagneau
Pages: 463 - 470

The use of geometrically based particle packing models with fine particles
Author(s): S.A.A.M. Fennis, J.C. Walraven, J.A. den Uijl
Pages: 471 - 478

Computer simulation of arbitrary-shaped grains and application to aggregate packing in concrete
Author(s): H. He, Z. Guo, W. Yang, M. Stroeven, P. Stroeven, L.J. Sluys
Pages: 479 - 486

Computed X-ray microtomography on cementitious materials: possibilities and limitations
Author(s): V. Boel, V. Cnudde, G. De Schutter, B. Van Meel, B. Masschaele, Y. Guang, L. Van Hoorebeke, P. Jacobs
Pages: 487 - 494

Mesoscopic analyses of porous concrete under static compression and drop weight impact tests
Author(s): A.S. Agar Ozbek, R.R. Pedersen, J. Weerheijm, A. Simone, K. van Breugel, B. Sluys
Pages: 495 - 502

Prediction of concrete compressive strength
Author(s): D. Mikulic, I. Gabrijel, B. Milovanovic
Pages: 503 - 510

3D Simulation of moisture transport in cement mortars
Author(s): M. Koster, J. Hannawald, W. Brameshuber
Pages: 511 - 520

Application of the sharp front model to capillary absorption in concrete materials with bimodal pore size distribution
Author(s): I. Ioannou, C. Hall, A. Hamilton
Pages: 521 - 525

The effect of moiture transport and sorption hystersis on ionic multispecies diffusion in concrete
Author(s): B. Johannesson, Y. Hosokawa, K. Yamada
Pages: 527 - 534

Modelling of moisture and salt transport incorporating salt crystallization in porous media
Author(s): H. Derluyn, P. Moonen, J. Carmeliet
Pages: 535 - 542

A development of a multi-species mass transport model considering thermodynamic phase equilibrium
Author(s): Y. Hosokawa, K. Yamada, B. Johannesson, L.O. Nilsson
Pages: 543 - 550

Multiscale framework to model fibre reinforced cementitious composite and study its microstructure
Author(s): F.K.F. Radtke, A. Simone, M. Stroeven, L.J. Sluys
Pages: 551 - 558

On the mesomechanical modelling of plain concrete with different grain-size distribution
Author(s): T. Sadowski, G.L. Golewski
Pages: 559 - 566

3D modelling of fracture in concrete based on CT-scan observation
Author(s): E. Schlangen
Pages: 567 - 575

Damage model for normal & high strength concrete
Author(s): A.R. Khan, N. Naseem
Pages: 577 - 584

Results of a macroscopic simulation of saturated lightweight aggregates (LWAs) and superabsorbent polymers (SAPs) as internal water sources
Author(s): H.W. Reinhardt, S. Mönnig
Pages: 585 - 593

Dependence between capillary stress and autogenous shrinkage for high-strength cement pastes
Author(s): S. Zhutovsky, K. Kovler
Pages: 595 - 602

Modelling autogenous shrinkage of hydrating cement paste
Author(s): I. Jaouadi, A. Guidoum, K. Scrivener
Pages: 603 - 609

Inter-particle moisture movement during cement hydration
Author(s): H.W.M. van der Ham, E.A.B. Koenders, K. van Breugel
Pages: 611 - 618

Effective elastic properties of degraded and non degraded cement pastes using various micromechanics schemes and numerical simulations
Author(s): M. Ben Haha, B. Bary, E. Adam, P. Montarnal
Pages: 619 - 627

Prediction of tensile strength of cement paste based on a micromechanical model
Author(s): L. Tan, Z. Qian, G. Ye, E. Schlangen
Pages: 629 - 636

Simulation of 3D cracks propagation in cement paste
Author(s): Z. Qian, G. Ye, E. Schlangen
Pages: 637 - 646

Failure process in concrete under static and impact tensile loading: experiments and numerical modelling
Author(s): I. Vegt, R.R. Pedersen, J. Weerheijm, L.J. Sluys, A. Simone
Pages: 647 - 656

On influence of microstructure parameters on cement paste performance: results from micromechanical modelling and optimization
Author(s): V. Smilauer, M.J. Leps, Z. Vitingerová
Pages: 657 - 663

Modelling of simultaneous temperature and moisture transportation in modern concrete
Author(s): J.E. Jonasson, K. Mjörnell, C.A. Carlsson
Pages: 665 - 672

Capillary pressure and cracking in early age concrete
Author(s): V. Slowik, T. Hübner, B. Villmann, M. Schmidt
Pages: 673 - 680

Drying shrinkage of concrete, can it be used for modelling autogenous shrinkage?
Author(s): R. Haverkort, P. Roelfstra, E. Schlangen
Pages: 681 - 689

Mesoscopic analysis of drying shrinkage damage in a cementitious material
Author(s): P. Moonen, R.R. Pedersen, A. Simone, L.J. Sluys, J. Carmeliet
Pages: 691 - 698

Modeling of relaxation in bonded concrete overlays subject to differential volume changes
Author(s): J. Zhou, G. Ye, E. Schlangen, K. van Breugel
Pages: 699 - 706

Comments on the shrinkage of paste in mortar containing saturated lightweight aggregate
Author(s): R. Henkensiefken, G. Sant, T. Nantung, J. Weiss
Pages: 707 - 714

Modeling moisture warping in concrete pavement
Author(s): W. Hansen, Y. Wei, E. Schlangen
Pages: 715 - 723

Prediction of autogenous shrinkage of concrete at early age using percolation
Author(s): J.M. Torrenti, F. Benboudjema, L. Stefan
Pages: 725 - 732

Assesment of chloride binding isotherm
Author(s): V. Baroghel-Bouny, T.Q. Nguyen, P. Dangla, P. Belin
Pages: 733 - 743

Modelling of chloride migration through cementitious materials by using electrical current transfer
Author(s): O. Amiri, A. Aït-Mokhtar, H. Fridedmann
Pages: 745 - 752

Chloride ingress: modelling, sampling and predicting service life
Author(s): P. Goltermann
Pages: 753 - 760

Simulation of corrosion of reinforcement in reinforced concrete
Author(s): P. Kotes, M. Brodnan, K. Slopková
Pages: 761 - 766

Moisture loss induced shrinkage of concrete
Author(s): R. Mu, J.P. Forth
Pages: 767 - 773

Modelling of elastic properties of a hydrating cement paste
Author(s): R. Chamrova, A. Guidoum, K. Scrivener
Pages: 775 - 782

Modelling elasticity of a hydrating cement paste
Author(s): J. Sanahuja, L. Dormieux, G. Chanvillard
Pages: 783 - 790

Microstructure simulation of portland cement blended with blast furnace slag
Author(s): G. Ye, K. van Breugel
Pages: 791 - 800

Modeling of early age behavior of underground structure
Author(s): Z. Qi, L. Xian, Y. Yong
Pages: 801 - 807

Multi-scale modelling of ionic diffusivity, compression and tensile tests on mortar
Author(s): S. Kamali-Bernard, F. Bernard, W. Prince
Pages: 809 - 817

Integrated materials-structural models
Author(s): H. Stang, M. Geiker
Pages: 819 - 819