Effects of Crack Width and Permeability on Moisture-Induced Damage of Pavements

Chen, Jian‐Shiuh; Lin, Kwang‐Lung; Young, Sian Yun

doi:10.1061/(asce)0899-1561(2004)16:3(276)

Cited by 59 publications

(24 citation statements)

References 5 publications

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“…McLaughlin andGoetz 1955, Liebenberg et al 2004) to avoid moisture damage (e.g. Chen et al 2004) which is detrimental to pavement performance (e.g. Abdullah et al 1998, Mohammed et al 2003.…”

Section: Literature Reviewmentioning

confidence: 99%

Characterisation of permanent deformation behaviour of unbound granular materials using repeated load triaxial testing

Zhalehjoo¹,

Tolooiyan²,

Mackay³

et al. 2017

Bearing Capacity of Roads, Railways and Airfields

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Section: Literature Reviewmentioning

confidence: 99%

Characterisation of permanent deformation behaviour of unbound granular materials using repeated load triaxial testing

Zhalehjoo¹,

Tolooiyan²,

Mackay³

et al. 2017

Bearing Capacity of Roads, Railways and Airfields

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“…The moisture-induced damage affects the durability of asphalt pavements containing RAP (Chen et al 2004). The energy required for failure per millimetre of the specimens represents the toughness characteristic of asphalt mixtures.…”

Section: Relative Energy Lossmentioning

confidence: 99%

Characterization of binder and mix properties to detect reclaimed asphalt pavement content in bituminous mixtures

Chen¹,

Chu²,

Lin³

et al. 2007

Can. J. Civ. Eng.

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The purpose of this study was to recommend a testing procedure to detect the content of reclaimed asphalt pavement (RAP) used in hot-mix asphalt mixtures. Asphalt was extracted from RAP for use in blending with new binder and aggregate. The recovered binders were blended with virgin asphalt (AC-10) at 10 different concentrations. A concept called relative energy loss was proposed to determine the engineering properties of recycled asphalt concrete (RAC). The relative energy loss was found to be directly related to the resistance of RAC to moisture-induced damage. A noticeable increase in relative energy loss with as much as 50% RAP was observed. At 20% RAP, there was not enough RAP to change binder or mixture properties. The predicted performance of mixtures containing up to 40% RAP by weight was shown to be similar to that of virgin material mixtures. A model was developed to estimate the RAP content in terms of penetration, viscosity, and relative energy loss.Résumé : Le but de cette étude était de recommander une procédure d'essai pour détecter la quantité de pavés d'asphalte récupérés (« RAP ») utilisés dans les mélanges d'asphalte à chaud. L'asphalte a été extrait des « RAP » pour être utilisé dans le mélange avec un nouveau liant et de nouveaux agrégats. Les liants récupérés ont été mélangés avec de l'asphalte neuf (AC-10) selon dix différentes concentrations. Un concept appelé perte d'énergie relative a été proposé afin de déterminer les propriétés techniques des bétons bitumineux recyclés (« RAC »). La perte d'énergie relative s'est avérée directement reliée à la résistance des « RAC » aux dommages causés par l'humidité. Une augmentation visible de la perte d'énergie relative atteignant 50 % « RAP » a été remarquée. À 20 % de « RAP », il n'y avait pas suffisamment de « RAP » pour changer les propriétés du liant ni du mélange. Le comportement prévu des mélanges contenant jusqu'à 40 % de « RAP » par poids s'est avéré similaire à celui des mélanges de matériaux neufs. Un modèle a été développé afin d'estimer le contenu en « RAP » en termes de pénétration, de viscosité et de perte d'énergie relative.Mots-clés : pavés d'asphalte récupérés, perte d'énergie relative, hygrosensibilité.[Traduit par la Rédaction] Chen et al. 588

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“…An increase in rainfall will lead to asphalt ravelling problems (Kringos and Scarpas, 2005) and even the formation of cracks. According to Chen et al (2004), for an air voids value higher than 12%, the voids start to be 'effective', which means the voids start to interconnect to each other, letting water pass through the entire layer.…”

Section: Introductionmentioning

confidence: 99%

The impact of climate change on the European road network

Bizjak

Dawson

Hoff

et al. 2014

Proceedings of the Institution of Civil Engineers - Transport

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Anticipated climate changes in Europe over the next 100 years were estimated using two different scenarios of carbon dioxide emissions and two computational approaches. The principal manifestations of climate change within the European region are predicted to be a rise in temperature, an increase in rainfall intensity in most areas and a decrease in freeze-thaw cycling. The impacts of such possible climate changes were then estimated for pavements and the pavement-related infrastructure. It should be noted that the life cycle of pavements is much shorter than the time span over which climate change might have a statistically significant influence on pavement performance. Several analytical and numerical analyses were performed in order to simulate the effect of future climate change, taking into account the fact that the effect of these changes on pavements structures will depend on local conditions. In particular, temperature and rainfall increase will be a challenge for asphalts, as both rutting and stripping of asphalt layers can be expected. In countries where roads are presently frequently frozen in winter, the length of this period of freezing will be reduced.For this reason, many thin and unsealed pavements will need to be upgraded if high bearing capacity is to be maintained. In coastal and low-lying areas raised water tables may occur due to areas where flood waters may collect, or due to raised sea levels. For most applications, appropriate responses to these changes in pavement performance will be achievable through the use of new design criteria with regard to temperature and the return period of storm flows.More attention needs to be paid to drainage systems, which should be self-cleaning and easy to inspect.

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Effects of Crack Width and Permeability on Moisture-Induced Damage of Pavements

Cited by 59 publications

References 5 publications

Characterisation of permanent deformation behaviour of unbound granular materials using repeated load triaxial testing

Characterisation of permanent deformation behaviour of unbound granular materials using repeated load triaxial testing

Characterization of binder and mix properties to detect reclaimed asphalt pavement content in bituminous mixtures

The impact of climate change on the European road network

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