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Schlangen, H.E.J.G. (author), Jonkers, H.M. (author), Qian, S. (author), Garcia, A. (author)In this paper an overview is given of new developments obtained in research on self healing of cracks in cement based materials and asphalt concrete. At Delft University various projects are running to study self healing mechanisms. The first project that is discussed is Bacterial Concrete, in which bacteria are mixed in concrete, that can...conference paper 2010
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Sierra Beltran, M.G. (author), Schlangen, H.E.J.G. (author)Wood fibres can be a low cost reinforcement for cementitious materials for structural applications. In order to design a ductile cementitious material reinforced with softwood fibres the fibrematrix interface properties are studied. Pullout tests have been carried out to determine the bond strength and the influence in the pullout behaviour of...conference paper 2010
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Schlangen, H.E.J.G. (author), Copuroglu, O. (author)It is generally possible to consider modeling of ASR damage in concrete in two main groups: modeling of gel formation and its expansion; modeling of ASR related damage. In this paper, authors take an attempt to combine both: simulating the correct crack formation and the connected concrete expansion. It is aimed to simulate ASR damage in a...conference paper 2010
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Agar Ozbek, A.S. (author), Weerheijm, J. (author), Schlangen, H.E.J.G. (author)In designing a porous concrete, containing a high volume of air pores, the effects of its mesoscale phases on its macro level properties have to be known. For this purpose, porous concretes having different aggregate gradings and cement paste compositions were investigated through macro-scale strength tests. The tests showed that aggregate...conference paper 2010
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Qian, Z. (author), Ye, G. (author), Schlangen, H.E.J.G. (author), Van Breugel, K. (author)Numerical modeling of fracture processes of brittle materials, such as cement paste, mortar, concrete and rocks, started in the late 1960s when the discrete and smeared cracking models were introduced. In the 1990s, Schlangen and van Mier proposed another numerical model to compensate the drawbacks of the discrete and smeared cracking models,...conference paper 2010
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- Schlangen, H.E.J.G. (author), Garica, A. (author), Van de Ven, M.F.C. (author), Van Bochove, G. (author), Van Montfort, J. (author), Liu, Q. (author) conference paper 2011
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- Garcia, A. (author), Schlangen, H.E.J.G. (author), Van de Ven, M.F.C. (author) conference paper 2011
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- Sangadji, S. (author), Schlangen, H.E.J.G. (author) conference paper 2011
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- Kim, J.S. (author), Schlangen, H.E.J.G. (author) conference paper 2011
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- Garcia, A. (author), Schlangen, H.E.J.G. (author), Van de Ven, M.F.C. (author) conference paper 2011
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- Qian, Z. (author), Schlangen, E. (author), Ye, G. (author), Van Breugel, K. (author) conference paper 2011
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- Savija, B. (author), Pacheco Farias, J. (author), Schlangen, E. (author), Polder, R.B. (author) conference paper 2012
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- Qian, Z. (author), Ye, G. (author), Schlangen, E. (author), Van Breugel, K. (author) conference paper 2012
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Anac, C. (author), Esposito, R. (author), Copuroglu, O. (author), Schlangen, H.E.J.G. (author), Hendriks, M.A.N. (author)This paper outlines a project (namely PAT-ASR) which entails the development of a multi scale material performance assessment model on simulation of alkali silica reaction deployment and its effects on concrete durability. Performance models require a multi scale approach from micro (namely reaction chemistry) to macro level studies (namely...conference paper 2012
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- Savija, B. (author), Pacheco Farias, J. (author), Polder, R.B. (author), Schlangen, E. (author) conference paper 2012
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- Sierra Beltran, M.G. (author), Schlangen, E. (author) conference paper 2012
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Qian, Z. (author), Ye, G. (author), Schlangen, E. (author), Van Breugel, K. (author)Concrete is a composite construction material, which is composed primarily of coarse aggregates, sands and cement paste. The fracture processes in concrete are complicated, because of the multiscale and multiphase nature of the material. In the past decades, comprehensive effort has been put to study the cracks evolution in concrete, both...conference paper 2012
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Qian, Z. (author), Schlangen, E. (author), Ye, G. (author), Van Breugel, K. (author)Cracking in cement-based materials is usually not easy to predict, because of the complexity of their microstructures. Concrete is a composite material of mortar and coarse aggregates, and mortar consists of cement paste and sands. The fracture processes in these materials are related, and this paper aims to reveal the relationship by developing...conference paper 2012
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Sangadji, S. (author), Schlangen, E. (author)Many researchers proposed self healing mechanism using hollow fibres and or microcapsule containing a modifying agent dispersed in the concrete to prolong its service life and make it more durable. A novel self healing concrete concept is proposed in this paper by using porous network concrete components. They are placed at the surface or...conference paper 2012
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- Pacheco Farias, J. (author), Savija, B. (author), Schlangen, H.E.J.G. (author), Polder, R.B. (author) conference paper 2012