Computational Modelling of Concrete and Concrete Structures

Computational Modelling of Concrete and Concrete Structures contains the contributions to the EURO-C 2026 conference (March 9-12, 2026, Seefeld in Tirol, Austria). The papers review and discuss research advancements and assess the applicability and robustness of methods and models for the analysis and design of concrete, fibre-reinforced, and prestressed concrete structures, as well as masonry structures. Recent developments encompass data-driven approaches, artificial intelligence, and machine learning methods, as well as novel discretization techniques, probabilistic models, and an increasing focus on microstructural aspects in a multi-scale and multi-physics context. Additionally, there is a noticeable trend towards material-scale innovations, including the use of more eco-efficient binders, new fibres, and 3D-printable concretes, along with life-cycle-oriented models that address the aging and durability of both new and existing concrete infrastructure. Overall computational robustness, mathematical and mechanical rigour, and the quality of predictions have further increased, accompanied by careful model validation based on respective experimental programmes. The book will serve as an important reference for both academics and professionals, stimulating new research directions in the field of computational modelling of concrete and its application to the analysis of concrete structures. EURO-C 2026 is the ninth edition of the EURO-C conference series after Innsbruck 1994, Bad Gastein 1998, St. Johann im Pongau 2003, Mayrhofen 2006, Schladming 2010, St. Anton am Arlberg 2014, Bad Hofgastein 2018, and Vienna 2022. The overarching focus of the conferences is on computational methods and numerical models for the analysis of concrete and concrete structures.

Günther Meschke, Ruhr University Bochum, Germany Bernhard Pichler, Technische Universität Wien, Austria Jan G. Rots, Delft University of Technology, Netherlands

Plenary Lectures Simulation of RC beams shear strengthened with Fe-SMA and NSM-CFRP laminate Risk from using marginal design code equations and unphysical strength probability distributions in structural safety software - a wake-up call Time-dependent load-bearing capacity of corroded post-tensioned bridge beams with dapped-ends Establishing trust in nonlinear failure analysis of concrete structures through facilitating nuanced quantification of uncertainties Personal reflections on 40 years of research in computational modeling of the load-bearing behavior of concrete structures Mesoscale discrete modeling of monotonic, cyclic and fatigue loading of concrete Analysis of concrete materials Modeling the contact problem for creep analysis in C-S-H nanoindentation Multiscale modeling of the mechanical properties of mortars containing mineral additions and recycled sand DCNN based on X-ray CT images for detection of cracking damage of in-service concrete structure Do we need environmental boundary conditions for the time-dependent material behaviour of concrete? Sensitivity and uncertainty analysis of surrogate-assisted micromechanical models for recycled aggregate concrete with ITZ considerations Thermo-hydro-mechanical study of creep in concrete at 150°C and 90% RH: experimental characterization and modeling calibration 2D framework for mesoscopic concrete simulations enriched with 3D topology information Microstructural characterization and numerical evaluation of interfacial transition zones in cement-based composites with biomineralized-coated aggregates Modelling of the wall effect with the two-phase Lattice Discrete Particle Model Analysis of concrete structures Reducing input uncertainties in damage-based finite element models of nuclear containment structures through Bayesian inference Numerical simulation of experimentally determined shear capacity of a prestressed beam without transverse reinforcement A generalized and parametrized finite-element model for flat slab punching Analytical prediction model for the mechanical response of concrete cover spalling supported by numerical simulations Seismic capacity assessment of existing corroded RC viaduct piers in marine environment Computational confinement analysis of hollow circular concrete columns using a finite layer constitutive framework FE modelling of concrete biological shield exposed to neutron radiation Modeling PPFRC beams: assessment of constitutive and bond models Composite behavior of concrete columns with one-directional section enlargements A new model for anchorage length design in concrete elements considering support effects and ductility Lattice discrete modeling of fatigue propagation in concrete validated using prestressed beam tests Structural vulnerability and catenary effects in concrete frames under high-energy events Reliability assessment of concrete walls as systems for low impacted energies in steep mountainous areas FEM analysis of punching shear in reinforced concrete slabs: role of concrete-steel interface Predictive modeling of concrete carbonation in urban tunnels using experimental data Numerical study on matrix deterioration at the anodic region of impressed current cathodic protection system A platform for validation and verification of models for concrete and concrete structures Computational evaluation of strains measured in tubbings of a segmental tunnel lining Study of the impact of coatings on the ageing assessment of double wall concrete containment building without metallic liner Analysis with FEM and shear-lag theory for predicting stress distribution along interface of post-installed short-length epoxy anchor Numerical study on effects of stud bolt and tiebar on impact resistance of SC panels under impact loads Prediction of post-fire performance of scaled cylindrical RC walls of RPV pedestal of nuclear power plant Key parameters for simulating Delayed Ettringite Formation in concrete structures Benchmark on the modelling of RC structures affected by delayed ettringite formation Design-oriented finite element method for solid reinforced concrete structures using convex optimisation Fracture-based modelling and ductility quantification for structural health monitoring of reinforced concrete Hybrid computational framework for nonlinear soil-structure interaction under seismic excitation using subdomain decomposition Shear and transverse bending in the webs of thin-walled bridge girders Constitutive models and computational frameworks Model uncertainty of numerical crack width in reinforced concrete J-integral in random elastic medium DEM-based numerical analysis of fiber-reinforced concrete On mapping algorithms for material random fields in stochastic FE analysis of quasibrittle structures Explicit consideration of the fiber orientation state in the design of fiber reinforced concrete structures with nonlinear FE-analysis Nonlinear force-based 3D beam model with bond-slip and time-staged prestressing for RC and PC structures Numerical simulation of rust growth and corrosion-induced cracking in reinforced concrete samples Fiber's key characteristics in aligned pullout: insights from computations Comprehensive validation of a 2.5D layered model for crack growth in concrete Modelling crack propagation in concrete structures using a cohesive fracture phase-field framework CT-image-based simulation of cracking of fiber-reinforced concrete beams Non-proportional sequentially-linear analysis for masonry structures: capturing combined foundation settlement and push-over loads On vertex instability of pressure-sensitive non-associated plasticity with hyperbolic plastic potential functions Revisiting equivalent strain concepts with reference to localizing gradient damage A comparative study of state-of-the-art constitutive models for concrete failure under shear-dominated stress states A phase-field damage-plasticity approach for analyzing bonded anchors with supplementing reinforcements Gradient-enhanced damage-plasticity approaches for modeling failure of concrete: phase-field fracture vs. localizing gradient damage An iterative-incremental energy-based micromechanical model for quasi-brittle materials with crack closure and friction A scalable hybridized mixed finite element formulation for 3D crack propagation under large strain and contact A finite volume-based cyclic constitutive model for reinforced concrete Size-effect law in gap test recreated with damaged-plasticity model Three-dimensional analysis of box girders considering nonlinear creep, shrinkage, and cracking effects Lessons learned from simulations of the gap test A position-based framework for modeling reinforced concrete beams and externally FRP-strengthened RC beams Numerical modeling of concrete under large deformations Numerical study on prestressed concrete beams made continuous: blind predictions, post-dictions, and sensitivity studies A frictional cohesive zone model for simulating quasi-brittle fracture: time-dependent vs time-independent regularizations of the frictional term Data-driven, AI and machine learning methods Predicting fatigue lifetime of high-strength concrete with physics-based machine learning Scene classification-assisted deep learning for crack detection of asphalt pavements in RC bridge Computational thermal analysis for health monitoring of concrete dam structures using shadow modeling and deep learning Advancing impact simulation through physics-informed neural networks: application to multi-layer composites Data-driven damage mechanics: an outlook to failure Refining crack width predictions in RC beams using FEM and neural network-based surrogate models for crack band size correction Strut and tie ML AI models for reinforced concrete analysis Multi-scale and multi-physics approaches A novel meso-scale numerical implementation of the carbonation kinetics of cementitious materials Coarse-grained chemo-mechanical simulations: a cornerstone for long-term predictions of concrete degradation Multi-scale numerical investigation of freeze-thaw effects on fatigue behavior of RC slabs and development of strain energy-based damage factor Multiscale thermo-elastic homogenization of hydrating binders for nuclear waste storage application Influence of wall effect on drying shrinkage of self-compacting concrete Multiscale modelling of carbonation in concrete made with RCA Boundary condition strategies for strain localization in discrete periodic unit cell Effects of fluid and aggregate fragmentation on dynamic concrete behavior using a novel DEM-based hydro-mechanical model Multiscale strength modeling of low-carbon cement pastes: the roles of the stiffness of binder constituents and surrogate modeling Effect of mesostructure heterogeneity on the moisture and heat diffusion in concrete through a multi-phase discrete modelling approach A novel DEM-based coupled 3D thermo-hydro-mechanical mesoscopic model with phase changes for modelling concrete behavior Building a bio-chemo-mechanical simulation tool for microbial induced carbonate precipitation (MICP) in concrete: Coarse graining nano to micro Simulation methods for 3D concrete printing Towards lattice modelling of additively manufactured cement-based composites with tailored Poisson's ratio-reinforcement Assessing structural failure in extrusion-based 3D concrete printing using a plasticity model with non-linear hardening Multiphysics simulation of time-dependent early-age behaviour in 3D printed concrete Optimization of mixing time for printcrete using a non-contact monitoring system Microstructural characterization and bonding performance evaluation of 3D-printed concrete-mortar composites Numerical modelling of interlayer adhesion in 3D-printed concrete with LDPM