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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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He, Shan
Delft University of Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (7/7 displayed)
- 2024Structural behaviour of reinforced concrete beams with self-healing cover zone as lost formworkcitations
- 2024Correction
- 2023Effect of matrix self-healing on the bond-slip behavior of micro steel fibers in ultra-high-performance concretecitations
- 2023An enhanced lattice beam element model for the numerical simulation of rate-dependent self-healing in cementitious materials.citations
- 2023Strain Hardening Cementitious Composite in Reinforced Concrete Cover Zone for Crack Width Control
- 2023An enhanced lattice beam element model for the numerical simulation of rate-dependent self-healing in cementitious materialscitations
- 2023Structural performance of reinforced concrete beams with self-healing cover zonecitations
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article
An enhanced lattice beam element model for the numerical simulation of rate-dependent self-healing in cementitious materials
Abstract
<p>This paper describes the development of a discrete lattice model for simulating structures formed from self-healing cementitious materials. In particular, a new approach is presented for simulating time dependent mechanical healing in lattice elements. The proposed formulation is designed to simulate the transient damage and healing behaviour of structures under a range of loading conditions. In addition, multiple and overlapping damage and healing events are considered. An illustrative example demonstrates the effects of varying the healing agent curing parameters on the computed mechanical response. The model is successfully validated using published experimental data from two series of tests on structural elements with an embedded autonomic self-healing system. The meso-scale model gives detailed information on the size and disposition of cracking and healing zones throughout an analysis time history. The model also provides an accurate means of determining the volume of healing agent required to achieve healing for all locations within a structural element. The importance of the information provided by the model for the design of self-healing cementitious material elements is highlighted.</p>