Induction healing of asphalt mastic and porous asphalt concrete

Liu, Quantao; García, Álvaro; Schlangen, Erik; Ven, Martin van de

doi:10.1016/j.conbuildmat.2011.04.016

Cited by 177 publications

(97 citation statements)

References 11 publications

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“…(i) Although there is a lack on a widely accepted test to measure the fatigue performance of asphalt binders, the use of Dynamic Shear Rheometer (DSR) for evaluating damage behaviour under continuous oscillatory shear stress (fatigue tests) and damage recovery after load removal (healing tests) has been reported by different authors like Lu et al [20], Qiu et al [21] and Santagata et al [22] Different parameters like Relative Dissipated Energy ratio (DER), Crack Propagation Amplitude (RCPA) and Relative Healing Index (RHI) have been described to quantify the fatigue behaviour of the asphalt binders.…”

Section: Methods To Quantify Asphalt Concrete Self-healingmentioning

confidence: 99%

Advanced Self-Healing Asphalt Composites in the Pavement Performance Field: Mechanisms at the Nano Level and New Repairing Methodologies

Agzenai¹,

Pozuelo²,

Sanz³

et al. 2015

NANOTEC

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Abstract:In an effort to give a global view of this field of research, in this mini-review we highlight the most recent publications and patents focusing on modified asphalt pavements that contain certain reinforcing nanoparticles which impart desirable thermal, electrical and mechanical properties. In response to the increasing cost of asphalt binder and road maintenance, there is a need to look for alternative technologies and new asphalt composites, able to self-repair, for preserving and renewing the existing pavements. First, we will focus on the self-healing property of asphalt, the evidences that support that healing takes place immediately after the contact between the faces of a crack, and how the amount of healing can be measured in both the laboratory and the field. Next we review the hypothetical mechanisms of healing to understand the material behaviour and establish models to quantify the damage-healing process. Thereafter, we outline different technologies, nanotechnologies and methodologies used for self-healing paying particular attention to embedded micro-capsules, new nano-materials like carbon nanotubes and nano-fibres, ionomers, and microwave and induction heating processes.

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Section: Methods To Quantify Asphalt Concrete Self-healingmentioning

confidence: 99%

Advanced Self-Healing Asphalt Composites in the Pavement Performance Field: Mechanisms at the Nano Level and New Repairing Methodologies

Agzenai¹,

Pozuelo²,

Sanz³

et al. 2015

NANOTEC

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“…The very beneficial effects for the realistic simulation of the compaction on site in the laboratory environment by Superpave gyratory compactors is known and once more can be seen in the studies by various researchers that have been published in the last 13 years [54][55][56][57][58][59][60][61][62][63][64] . In all through these and the similar vast literature about the gyratory compaction studies published till date, limited studies about the 100 mm diameter specimens cored from 150 mm diameter gyratory compacted specimens for the preparation of laboratory prepared specimens have been discussed [19][20][21][22][23][24][25][26] . The vast majority of the other studies is about the physical and mechanical analyses of 150 mm diameter specimens prepared with Superpave gyratory compactors.…”

Section: Utilisation Of Superpave Gyratory Compactors In the Preparatmentioning

confidence: 99%

“…There are various important but "limited" number of studies in the literature that have been published up to date about the utilisation of 100 mm diameter specimens cored from 150 mm diameter gyratory compacted specimens for the preparation of laboratory specimens [19][20][21][22][23][24][25][26] . In all through these studies, the effect of compaction method, that is whether gyratory or Marshall compaction method have been utilised, and the resulting mechanical performance of mixes have been investigated.…”

Section: Introductionmentioning

confidence: 99%

Rutting analysis of 100 mm diameter polypropylene modified asphalt specimens using gyratory and Marshall compactors

Tapkın

Keskín

2013

Mat. Res.

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Compaction technique used in Marshall design does not model the process of actual rolling procedures on site exactly. Carrying out laboratory compaction of dense bituminous mixtures with Superpave gyratory compactors is a more realistic way of simulating actual compaction. In this study, mechanical differences of reference and polypropylene modified asphalt mixtures were compared using Superpave gyratory and Marshall compaction methods by carrying out repeated creep tests utilising universal testing machine. In addition, there is no standard Superpave design procedure for 100 mm diameter samples till date. The other purpose of this study is to propose new standards for the compaction and testing procedures of these 100 mm specimens. Indeed, extensive studies have shown that the design gyration number should be 40 for reference and 33 for polypropylene modified specimens under medium traffic conditions for the similar and specific type of aggregate sources, bitumen, aggregate gradation, mix proportioning, modification technique and laboratory conditions. Moreover, it was shown that, the asphalt samples produced by Superpave gyratory compactor were much resistant to destructive rutting effects than the asphalt specimens prepared by Marshall design.

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“…He et al prepared asphalt mixture by adding 4% steel shots and found that its induction heating speed is 33.8 • C/min [15]. Liu et al prepared conductive asphalt concrete by adding 8% steel wool fibers (by volume of bitumen) and its induction heating was 43.8 • C/min [16]. Norambuena-Contreras also prepared conductive asphalt concrete by adding 8% steel wool fibers and its induction heating was 38.1 • C/min [17].…”

Section: Introductionmentioning

confidence: 99%

“…In such a way, the cracks within asphalt mastic can be healed quickly without affecting the stone structure. It has been proven by many researchers that induction heating can restore the stiffness, strength and fatigue life and prevent the raveling and cracking of asphalt concrete efficiently without ageing asphalt binder due to very short heating time [10][11][12][13][14][15][16][17][18]. Therefore, induction healing is a promising maintenance technology for asphalt pavement, which can heal the microcracks and prevent them from developing into cracking, stone loss and potholes.…”

Section: Introductionmentioning

confidence: 99%

Research on the Mechanical, Thermal, Induction Heating and Healing Properties of Steel Slag/Steel Fibers Composite Asphalt Mixture

Liu

Schlangen

et al. 2017

Applied Sciences

Self Cite

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Abstract: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, particle loss resistance and fracture energy of asphalt mixtures. The addition of steel fibers increased the thermal conductivity and thermal diffusion of the asphalt mixture, and steel slag showed a reverse effect. Steel slag asphalt mixture cooled more slowly than steel fiber asphalt mixture, which is beneficial to crack healing of asphalt mixture. The composite of steel fibers and steel slag can enhance the induction heating speed, heating homogeneity and thus enhance the induction healing ratio of asphalt mixture. It is concluded that steel slag/steel fibers composite asphalt mixture achieves good mechanical and induction healing properties.

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Induction healing of asphalt mastic and porous asphalt concrete

Cited by 177 publications

References 11 publications

Advanced Self-Healing Asphalt Composites in the Pavement Performance Field: Mechanisms at the Nano Level and New Repairing Methodologies

Advanced Self-Healing Asphalt Composites in the Pavement Performance Field: Mechanisms at the Nano Level and New Repairing Methodologies

Rutting analysis of 100 mm diameter polypropylene modified asphalt specimens using gyratory and Marshall compactors

Research on the Mechanical, Thermal, Induction Heating and Healing Properties of Steel Slag/Steel Fibers Composite Asphalt Mixture

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