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Xu, S. (author), Tabakovic, A. (author), Liu, X. (author), Palin, D. (author), Schlangen, E. (author)
It has been demonstrated that calcium alginate capsules can be used as an asphalt healing system by pre-placing rejuvenator (healing agent) into the asphalt mix and releasing the rejuvenator on demand (upon cracking). This healing mechanism relies on the properties of capsules which are determined by the capsule preparation process. In this...
journal article 2019
document
Xu, S. (author), Liu, X. (author), Tabaković, Amir (author), Schlangen, E. (author)
Improving the healing capacity of asphalt is proving to be an effective method to prolong the service life of an asphalt pavement. The calcium alginate capsules encapsulating rejuvenator have been developed and proved to provide successful localized crack healing in asphalt mastic. However, it is not known whether this self-healing asphalt...
journal article 2019
document
Xu, S. (author), Liu, X. (author), Tabakovic, A. (author), Schlangen, E. (author)
Incorporating self-healing technology in asphalt pavement has been demonstrated to have great potential to prolong its service life. To this aim, the calcium alginate capsules encapsulating rejuvenator were manufactured and proved to have sufficient thermal stability and mechanical resistance to survive the asphalt production and compaction...
conference paper 2018
document
Xu, S. (author), García, Alvaro (author), Su, Junfeng (author), Liu, Q. (author), Tabakovic, A. (author), Schlangen, E. (author)
In recent decades, researchers have revealed the great healing potential of asphalt and proposed various novel methods to inspire and improve the self-healing capacity of asphalt aimed to prolong the service life of asphalt pavement. In this review, up to date research progresses in induction healing and embedded rejuvenator encapsulation are...
review 2018
document
Šavija, B. (author), Smith, G.E. (author), Liu, D (author), Schlangen, E. (author), Flewitt, P.E.J. (author)
Deformation and fracture of materials are usually considered in terms of brittle and ductile modes. However, there is an intermediate class between these limits that is termed quasi-brittle where there is measurable inelastic deformation prior to final graceful ‘brittle’ failure. In previous work, we presented deformation and fracture data...
journal article 2018
document
Liu, Quantao (author), Li, Bin (author), Schlangen, E. (author), Sun, Yihan (author), Wu, Shaopeng (author)
In this paper, steel slag/steel fiber composite asphalt mixture were prepared. The effects of the addition of steel slag and/or steel fibers on the mechanical, thermal, induction heating and healing properties of asphalt mixture were investigated. The results showed that adding steel slag and/or steel fibers improves the water stability,...
journal article 2017
document
Liu, D (author), Šavija, B. (author), Smith, G.E. (author), Flewitt, P.E.J. (author), Lowe, T. (author), Schlangen, E. (author)
In this work, porosity-property relationships of quasi-brittle materials are explored through a combined experimental and numerical approach. In the experimental part, hemihyrate gypsum plaster powder (CaSO 4 ⋅1/2H 2 O CaSO4⋅1/2H2O) and expanded spherical polystyrene beads (1.5–2.0 mm dia.) have been mixed to form a model material with...
journal article 2017
document
Wan, Jiuming (author), Wu, Shaopeng (author), Xiao, Y. (author), Liu, Q. (author), Schlangen, E. (author)
, has advantages of stability at relatively high temperature, big specific surface area and resistance to external mechanical vibration. It has the potential contribution of improving the rutting resistance and temperature sensitivity of modified asphalt...
journal article 2016
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Heard, P (author), Šavija, B. (author), Liu, D (author), Smith, GE (author), Hallam, KR (author), Schlangen, E. (author), Flewitt, P.E.J. (author)
In quasibrittle materials the addition of specific microstructural features such as porosity can lead to departure from linear elastic behaviour prior to maximum force, followed by graceful failure. A simple but extreme example is reticulated vitreous carbon foam, with its opencell structure of brittle ligaments connected in a threedimensional...
conference paper 2016
document
Liu, D. (author), Heard, P. (author), Savija, B. (author), Smith, G. (author), Schlangen, E. (author), Flewitt, P. (author)
In the present work, the microstructure and mechanical properties of Gilsocarbon graphite have been characterized over a range of length-scales. Optical imaging, combined with 3D X-ray computed tomography and 3D high-resolution tomography based on focus ion beam milling has been adopted for microstructural characterization. A range of small...
conference paper 2015
document
Liu, Q. (author), Schlangen, H.E.J.G. (author), Van Bochove, G. (author)
Porous asphalt shows excellent performance in both noise reduction and water drainage. Although porous asphalt has these great qualities, its service life is much shorter (sometimes only half) compared to dense graded asphalt roads. Ravelling, which is the loss of aggregate particles from the surface layer, is the main damage mechanism of porous...
conference paper 2013
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Liu, Q. (author), Schlangen, H.E.J.G. (author), Van Bochove, G. (author)
Porous asphalt shows excellent performance in both noise reduction and water drainage. Although porous asphalt has these great qualities, its service life is much shorter (sometimes only half) compared to dense graded asphalt roads. Ravelling, which is the loss of aggregate particles from the surface layer, is the main damage mechanism of porous...
conference paper 2013
document
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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