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Combined experimental and numerical study of uniaxial compression failure of hardened cement paste at micrometre length scale

Our group has recently published an article in which, for the very first time, we measure the compressive strength of hydrated cement paste at multi-metre length scale. This study shows that microscopic strength of cement-based materials is many times higher compared to their macroscopic strength.

The accepted version of the article can be viewed at:

Strain Hardening Cementitious Composite (SHCC) for crack width control in reinforced concrete beams

Dear all,

Our group at TU Delft has recently (co-)authored an article on crack control in concrete beams using strain hardening cementitious composite layer. Interested readers can access the article here (open access): https://www.researchgate.net/publication/335589673_Strain_Hardening_Ceme...

Regards

Thermal Response of Mortar Panels with Different Forms of Macro-Encapsulated Phase Change Materials: A Finite Element Study

Use of phase change materials in building envelopes has potential to reduce the temperature fluctuations inside of buildings. This is a booming area of research. Our group has recently published an article in which we studied macro-encapsulated paraffinic materials for this application. The article is available at: https://www.researchgate.net/publication/334370825_Thermal_Response_of_M...

 

Assessing Hydrated Cement Paste Properties Using Experimentally Informed Discrete Models

Dear all,

Our group has just published an artile on using experimentally-informed discrete models for calculating elastic and transport properties of cementitious materials. The article is published in the Journal of Materials in Civil Engineering (ASCE) as open access. It can be freely viewed at: https://www.researchgate.net/publication/334036123_Assessing_Hydrated_Ce...

Regards,

Branko

Development of strain hardening cementitious composite (SHCC) reinforced with 3D printed polymeric reinforcement: Mechanical properties

Dear all,

Our group has just published a paper titled "Development of strain hardening cementitious composite (SHCC) reinforced with 3D printed polymeric reinforcement: Mechanical properties" . Interested readers can find it at: https://www.researchgate.net/publication/333674067_Development_of_strain...

Regards,

Branko

Static and Fatigue Tests on Cementitious Cantilever Beams Using Nanoindenter

Dear all,

Our group at TU Delft has recently developed a method for static and fatigue testing of micrometre cantilever cementitious beams using a nanoindenter. If you are interested, a paper on the method has recently been published: https://www.researchgate.net/publication/329245451_Static_and_Fatigue_Te...

Regards

Deformation and fracture of 3D printed disordered lattice materials: Experiments and modeling

Dear all,

Our group at Delft University of Technology has recently published a study on Deformation and Fracture of 3D printed disordered lattice materials. In the study, we used experiments and numerical simulations to study these effects. The full paper can be accessed at: https://www.researchgate.net/publication/329146684_Deformation_and_fract...

Regards,

Branko

Strain Hardening Cementitious Composite (SHCC) layer for crack width control in reinforced concrete

Dear all,

Our group has recently performed a study on using ductile concrete, so called SHCC, as a surface layer in reinforced concrete structures in order to control the crack width. This will enable engineers to reduce the amount of reinforcement needed for crack control by using an advanced concrete type only where it is needed, thereby limiting the costs.

Size effect in cementitious materials

Our new work presents tests of an unprecedented range of specimen sizes for studying size effect in cementitious materials. Foe evreyone interested, a paper about it has been published in Cement and Concrete Composites. It is available at:https://www.researchgate.net/publication/327876010_Size_effect_on_splitt...

Experimentally informed micromechanical modelling of cement paste: An approach coupling X-ray computed tomography and statistical nanoindentation

Our group has recently published an article wherein we propose the use of X-ray computed tomography coupled with statistical nanoindentation for simulating the mechanical properties of quasi-brittle materials. The approach is used for simulating tensile properties of hardened cement paste.

Modelling and Simulation for Concrete Durability: Mechanism and Prediction

Dear all,

We are currently accepting papers for a special issue of Modelling and Simulation Journal (Hindawi) on 

"Modelling and Simulation for Concrete Durability: Mechanism and Prediction"

Call for papers is attached. We hope that we will be able to solicit a good number of high-quality publications.

Regards,

Branko

Towards understanding stochastic fracture performance of cement paste at micro length scale based on numerical simulation

Dear all,

We have recently published an article aiming to understand the stochastic nature of the fracture process in hydrated cement paste through use of numerical simulation. The article can be viewed here: https://www.researchgate.net/publication/326180288_Towards_understanding...

Regards,

Branko

Multi-scale modelling course for concrete, Delft, Netherlands

Dear all,

Our section at the Delft University of Technology is organizing this years' edition of the "Multi-scale modelling Course for Concrete" between 21-24 of August in Delft, the Netherlands. The course considers concrete on scales ranging from nanometre (MD) to micrometre (cement paste hydration) and metre (complete structure) scale. The course is organized by TU Delft, with lecturers also from TU Darmsdat and Tecnalia, Spain. Prospective participants can find more information on:

 

Smart Crack Control in Concrete through Use of Phase Change Materials (PCMs): A Review

Dear all,

Our group has recently published a paper on smart crack control in concrete structures through use of phase change materials (PCMs). The paper is open access and available at:https://www.researchgate.net/publication/324751942_Smart_Crack_Control_i...

Regards,

Branko

Combined experimental and numerical study on micro-cube indentation splitting test of cement paste

Our group has recently published a paper describing a new method for micromechanical testing of cement paste. The paper was published in "Engineering Fracture Mechanics". Full paper can be accessed at:https://www.researchgate.net/publication/324510125_Combined_experimental...

Regards

Modeling water absorption in cement-based composites with SAP additions

Dear all,

We have recently presented our work on modelling of water absorption in concrete containing SAP (superabsorbent polymers) at the Euro-C conference in Austria. You can access the full paper at: https://www.researchgate.net/publication/323667669_Modeling_water_absorp...

Regards

Testing and modelling of micro cement paste cube under indentation splitting

Dear all,

Our paper on an innovative method for testing and modelling of cement paste at micro-scale (100 micrometre) has been presented at the EURO-C conference in Austria. Full paper can be accessed at: https://www.researchgate.net/publication/323656746_Testing_and_modelling...

Regards

Numerical modelling as a tool for designing self-healing concrete

Dear all,

Our group at TU Delft has recently published two articles dealing with use of numerical fracture models for design of capsule carriers for their use in self healing concrete.

For design of tubular capsules: https://www.researchgate.net/publication/311861983_Simulation-Aided_Desi...

Discrete models for concrete mechanics - papers available (free)

Dear all,

Two papers published by our group dealing with mechanics and transport processes in concrete simulated using discrete (lattice) models are available online for free.

1. Lattice modelling of rapid chloride migration in concrete, at: https://www.researchgate.net/publication/262051929_Lattice_modeling_of_r...

Design and testing of tubular polymeric capsules for self-healing of concrete

Dear all,

Our group has recently published a paper on "Design and testing of tubular polymeric capsules for self-healing concrete". We have combined experiments and numerical simulations in order to optimize polymeric carrier capsules for their use in self-healing concrete. Interested? You can read the full paper at: https://www.researchgate.net/publication/320657352_Design_and_testing_of...

Regards

Influence of Cracking on Moisture Uptake in Strain-Hardening Cementitious Composites

Dear all,

Our article on experimental and numerical investigation of water uptake in strain-hardening cementitious composites (SHCCs, sometimes called ECC), is now freely available for download at: https://www.researchgate.net/publication/309322976_Influence_of_Cracking...

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