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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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Hordijk, Dick
Delft University of Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (13/13 displayed)
- 2023The role of eigen-stresses on apparent strength and stiffness of normal, high strength, and ultra-high performance fibre reinforced concretecitations
- 2019Strain hardening cementitious composite (SHCC) for crack width control in reinforced concrete beams
- 2018On the Potential of Lattice Type Model for Predicting Shear Capacity of Reinforced Concrete and SHCC Structurescitations
- 2018An Experimental Study on the Transition of Failure Between Flexural and Shear for RC Beams
- 2018Strain hardening cementitious composite (SHCC) layer for the crack width control in reinforced concrete beam
- 2018Brittleness of high-strength lightweight aggregate concrete
- 2018Development and application of an environmentally friendly ductile alkali-activated compositecitations
- 2017Proof load testing of reinforced concrete slab bridges in the Netherlands
- 2016The shear capacity of reinforced concrete members with plain bars
- 2016Acoustic emission study on 50 years old reinforced concrete beams under bending and shear tests
- 2016Towards slender, innovative concrete structures for replacement of existing viaducts
- 2016Probabilistic prediction of the failure mode of the Ruytenschildt Bridgecitations
- 2016Ruytenschildt Bridgecitations
Places of action
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conferencepaper
Brittleness of high-strength lightweight aggregate concrete
Abstract
Modern society and infrastructure are facing an increased demand for fast construction. A number of viaducts are aged and will need to be replaced in near future. When considering this replacement task, lightweight, slender bridge is the solution. Dead load reduction and high-strength to weight ratio are the main advantages when using the lightweight aggregate concrete (LWAC). Still, structural applications of LWAC are lacking. The main disadvantage of LWAC compared to regular concrete, which refrains its wider structural application, is its brittleness and uncontrolled crack propagation, especially when LWAC is exposed to compression. One of the ways to improve brittleness and increase the ductility of concrete is by addition of fibers. In this research, preliminary study is performed where fiber reinforced LWAC mixture was designed and tested. The mix consisted of lightweight aggregate Stalite, leading to high-strength LWAC and polyvinyl alcohol fibers (PVA) providing reduced brittleness and explosive failure. Results on fracture behavior and compressive strength with the increased amount of fibers were investigated and showed promising behavior. In future, structural tests (e.g. compression tests on prisms and beams) will be performed to further verify the benefits of combining aggregate Stalite with PVA fibers for structural applications of high-strength LWAC. ; Concrete Structures