Internal aging indexes to characterize the aging behavior of two bio-rejuvenated asphalts
Profound progress has been made in bio-rejuvenators to enhance aged asphalt's low
temperature performance and reduce its high temperature viscosity. However, limitation still …
temperature performance and reduce its high temperature viscosity. However, limitation still …
Chemical and rheological investigation on the short-and long-term aging properties of bio-binders for road pavements
In recent years, due to growing environmental concerns, sustainability and circular economy
have become two issues of crucial importance. In road engineering, in order to pursue such …
have become two issues of crucial importance. In road engineering, in order to pursue such …
[HTML][HTML] Quantifying oxygen diffusion in bitumen films using molecular dynamics simulations
Bitumen in asphalt pavements reacts slowly with atmospheric oxygen, resulting in oxidative
ageing. This oxidative reaction is strongly dependent on the physical diffusion of the oxygen …
ageing. This oxidative reaction is strongly dependent on the physical diffusion of the oxygen …
Characterization of asphalt concrete linear viscoelastic behavior utilizing Havriliak–Negami complex modulus model
This study proposed a new procedure for characterizing linear viscoelastic (LVE) behavior of
asphalt concrete using the Havriliak–Negami (HN) complex modulus model and …
asphalt concrete using the Havriliak–Negami (HN) complex modulus model and …
Fast-acquiring high-quality Prony series parameters of asphalt concrete through viscoelastic continuous spectral models
Y Zhang, Y Sun - Materials, 2022 - mdpi.com
Prony series representations have been extensively applied to characterizing the time-
domain linear viscoelastic (LVE) material functions for asphalt concrete. However, existing …
domain linear viscoelastic (LVE) material functions for asphalt concrete. However, existing …
Investigation on reinforcing mechanisms of semi-flexible pavement material through micromechanical model
Semi-flexible pavement (SFP) has been promoted to apply in pavement engineering mainly
for its excellent performance in rutting resistance. Since the reinforcing mechanism of its …
for its excellent performance in rutting resistance. Since the reinforcing mechanism of its …
An alternative approach for characterization of the linear viscoelastic behavior of asphalt binders
This study aimed to develop an alternative approach to characterise the linear viscoelastic
behaviour of asphalt binders. A rheogram model was firstly proposed based on the Carreau …
behaviour of asphalt binders. A rheogram model was firstly proposed based on the Carreau …
Characterizing rheological behavior of asphalt binder over a complete range of pavement service loading frequency and temperature
The present study presented a new procedure for characterizing the rheological properties
of asphalt binders over the complete range of pavement service frequency and temperature …
of asphalt binders over the complete range of pavement service frequency and temperature …
A triaxial linear viscoelastic characterization framework for asphalt concrete based on the 2S2P1D model
W Cao, A Lacroix, YR Kim - European Journal of Mechanics-A/Solids, 2022 - Elsevier
Asphalt concrete materials are known to exhibit pressure dependence in response to
mechanical loading. However, for conventional dense-graded asphalt mixtures, only weak …
mechanical loading. However, for conventional dense-graded asphalt mixtures, only weak …
Impact of different levels of oxidative aging on engineering properties of asphalt mixes at low temperatures
Asphalt pavements at cold climates or regions with high-temperature fluctuation are prone to
cracking due to the induced thermal stress within the mix. The properties of asphalt mixtures …
cracking due to the induced thermal stress within the mix. The properties of asphalt mixtures …