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Leegwater, G.A. (author), Scarpas, Athanasios (author), Erkens, S. (author)Damage in pavements is known to reduce over time when the material is left to rest, this phenomenon is identified as healing. It has been shown that healing has a large influence on pavement performance. However, as the healing mechanism is not fully understood, there is currently no accepted method available to assess the healing performance...journal article 2018
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Erkens, S. (author), Leegwater, G.A. (author), Scarpas, Athanasios (author)Asfalt heeft de aantrekkelijke eigenschap dat het zichzelf kan herstellen na schade. Er is echter tot op heden geen betrouwbare methode om de healingcapaciteit van een asfaltmengsel te bepalen. Bij het healingproces van een discrete scheur spelen twee processen een rol, namelijk het in contact komen van de oppervlakken van de scheur; het...conference paper 2016
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Nahar, S.N. (author)During the service life of flexible asphalt pavements, asphalt concrete degrades due to traffic loading and environmental conditions like temperature, rain, oxidation, ultraviolet-radiation from the sun. All these environmental factors have adverse effects on the performance of bitumen, which is the binder of asphalt concrete. They are known to...doctoral thesis 2016
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Romero Rodriguez, C. (author), Chaves Figueiredo, S. (author), Chiaia, B. (author), Schlangen, E. (author)Cracking in concrete structures compromises the durability and functionality of the structures themselves. Different kinds of self-healing concretes, less or more sophisticated, have been developed in the past ten years to overcome early cracks in structures. An experimental study of a novel self-healing concrete is presented. Bitumen, used as...conference paper 2016
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Pauli, A.T. (author)As a contribution to the development of mutli-scale multi-physics approaches to modelling pavement performance, the present thesis considers the topic of damage accumulation accompanied by damage recover self-healing of the bituminous asphalt phase of pavement systems. It is found insightful that by adopting Hveem’s [1943] concept of attributing...doctoral thesis 2014
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Van den Bergh, W. (author), McNally, C. (author), De Keersmaecker, A. (author), Fallon, E. (author)An asphalt mixture is believed to be a partial self-healing material. For asphalt pavement design, this characteristic is taken into account as a shift healing factor. Healing during rest periods will result in a longer structural design life for the mixture in situ, compared to the fatigue life determined with a continuous sinusoidal test in...conference paper 2013
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Su, J.F. (author), Qiu, J. (author), Schlangen, H.E.J.G. (author)Preservation and renovation bitumen of pavement is a big problem for the whole world. Traditionally, application rejuvenators is the only one method that can restore the original properties of the pavements. However, some puzzles still restrict its successful usage. Microencapsulation is a promising method to apply rejuvenator in bitumen. These...conference paper 2013
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Su, J.F. (author), Qiu, J. (author), Schlangen, H.E.J.G. (author)Preservation and renovation bitumen of pavement is a big problem for the whole world. Traditionally, application rejuvenators is the only one method that can restore the original properties of the pavements. However, some puzzles still restrict its successful usage. Microencapsulation is a promising method to apply rejuvenator in bitumen. These...conference paper 2013
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Pauli, A. (author), Schmets, A.J.M. (author), Kasbergen, C. (author), Varveri, K. (author), Scarpas, A. (author)Bituminous materials form a class of materials that possess the intrinsic ability to selfheal. This self-healing capability is evidenced by the observation that the service life of these materials in the field exceeds the service life as predicted by standard mechanical laboratory tests. This mismatch between laboratory prediction and field...conference paper 2013
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Pauli, A. (author), Schmets, A.J.M. (author), Kasbergen, C. (author), Varveri, K. (author), Scarpas, A. (author)Bituminous materials form a class of materials that possess the intrinsic ability to selfheal. This self-healing capability is evidenced by the observation that the service life of these materials ‘in the field’ exceeds the service life as predicted by standard mechanical laboratory tests. This mismatch between laboratory prediction and field...conference paper 2013
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Van den Bergh, W. (author), Van de Ven, M.F.C. (author)For asphalt pavement design in Belgium, healing is taken into account as a standard shift factor, representing the effect of rest periods between loadings of traffic. Because nowadays Reclaimed Asphalt Aggregate (RA) is widely used in hot mixtures, a new validation of the healing factor is needed. Given the lack of test results and a standard...journal article 2012
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Qiu, J. (author), Van de Ven, M. (author), Wu, S. (author), Yu, J. (author), Molenaar, A. (author)The self-healing capability of bituminous materials has been known for many years. Researches were mostly focused on the self healing behaviour during load repetitions. The tests are either time consuming and/or complex. In this paper, a simple self healing test procedure is presented combining the fracture-healing-re-fracture test (FHR) with...journal article 2012
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Van den Bergh, W. (author)Nowadays, reclaimed asphalt aggregate is often used in new asphalt mixtures. In Flanders, up to 50 % of the binder content is allowed to be originating from reclaimed asphalt. However, the effect of this aged binder on the fatigue and healing properties of the asphalt mixture is questioned. A procedure for the ageing of asphalt mixtures, mortars...doctoral thesis 2011
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- Qiu, J. (author), Van de Ven, M. (author), Molenaar, A. (author), Wu, S. (author), Yu, J. (author) conference paper 2011