All Outputs (108)

Experimental Exploration of Influence of Recycled Polymer Components on Rutting Resistance and Fatigue Behavior of Asphalt Mixtures (2020)
Journal Article

Rutting and fatigue of asphalt pavements, as two important distresses, are significantly influenced by the properties of binders. This study aimed to improve the resistance of asphalt mixtures to permanent deformation and fatigue using two recycled w... Read More about Experimental Exploration of Influence of Recycled Polymer Components on Rutting Resistance and Fatigue Behavior of Asphalt Mixtures.

Effect of different viscous rejuvenators on chemical and mechanical behavior of aged and recovered bitumen from RAP (2019)
Journal Article

© 2019 Elsevier Ltd Due to scarcity of virgin natural materials, the use of reclaimed asphalt pavement (RAP) has been promoted and encouraged in pavement engineering. However, note that the bituminous binder in RAP has been seriously aged due to long... Read More about Effect of different viscous rejuvenators on chemical and mechanical behavior of aged and recovered bitumen from RAP.

Data Compression Approach for Long-Term Monitoring of Pavement Structures (2019)
Journal Article

Pavement structures are designed to withstand continuous damage during their design life. Damage starts as soon as the pavement is open to traffic and increases with time. If maintenance activities are not considered in the initial design or consider... Read More about Data Compression Approach for Long-Term Monitoring of Pavement Structures.

Environmental effects on the rheological properties of fine warm RAP-foamed bitumen mixtures using SATS conditioning protocol (2019)
Journal Article

© 2019, © 2019 Informa UK Limited, trading as Taylor & Francis Group. This paper uses the Saturation Ageing Tensile Stiffness (SATS) conditioning to evaluate the combined effects of moisture and oxidative ageing on the rheological characteristics o... Read More about Environmental effects on the rheological properties of fine warm RAP-foamed bitumen mixtures using SATS conditioning protocol.

A practical approach to estimate the degree of binder activity of reclaimed asphalt materials (2019)
Journal Article

© 2019, © 2019 Informa UK Limited, trading as Taylor & Francis Group. Using Reclaimed Asphalt (RA) in new asphalt mixtures can reduce the amount of new material required thereby saving money and natural resources. In addition, asphalt mixtures with... Read More about A practical approach to estimate the degree of binder activity of reclaimed asphalt materials.

Comparative Evaluation of Moisture Susceptibility Test Methods for Routine Usage in Asphalt Mixture Design (2019)
Journal Article

Moisture susceptibility of hydrated lime modified mastics using adhesion test methods and surface free energy techniques (2019)
Journal Article

© 2019, © 2019 Informa UK Limited, trading as Taylor & Francis Group. Moisture damage is one of the major factors that has been reported to affect the performance of asphalt pavements which depends mainly on the bond strength between bitumen, aggre... Read More about Moisture susceptibility of hydrated lime modified mastics using adhesion test methods and surface free energy techniques.

Binder and Mixture Fatigue Performance of Plant-Produced Road Surface Course Asphalt Mixtures with High Contents of Reclaimed Asphalt (2019)
Journal Article

© 2019 by the authors. The aged properties of Reclaimed Asphalt (RA) binders are one of the main factors working against their utilisation in high-RA content ( > 30%) mixes for surface courses. Fatigue cracking is the main distress of surface courses... Read More about Binder and Mixture Fatigue Performance of Plant-Produced Road Surface Course Asphalt Mixtures with High Contents of Reclaimed Asphalt.

Microstructure and rheological response of laboratory-aged SBS-modified bitumens (2019)
Journal Article

Polymer additives are widely used to improve the performance of road bitumens including their resistance to hardening during oxidation, although their oxidative inhibitor effect has not been well documented. This study aims to investigate the effect... Read More about Microstructure and rheological response of laboratory-aged SBS-modified bitumens.

Enhancement of curing properties of cold in-place recycling asphalt mixtures by induction heating (2019)
Journal Article

© 2019, © 2019 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group. In this study, samples of cold in-place recycling mix (CIR) with steel fibres were manufactured and heated by electromagnetic induction. Heating was c... Read More about Enhancement of curing properties of cold in-place recycling asphalt mixtures by induction heating.

Effect of foaming technique and mixing temperature on the rheological characteristics of fine RAP-foamed bitumen mixtures (2019)
Journal Article

This paper evaluates and compares the differences in the rheological characteristics of the fine aggregate matrix (FAM) portion of plant produced Foamed Bitumen Mixtures (FBMs) by means of a mechanical foaming process, and by the incorporation of zeo... Read More about Effect of foaming technique and mixing temperature on the rheological characteristics of fine RAP-foamed bitumen mixtures.

Intrinsic adhesive and cohesive assessment of the moisture sensitivity of bio-rejuvenated recycled asphalt binders (2019)
Journal Article

Alternative binders not derived from fossil fuels, known as biobinders, are opening new paths for multiple applications in road infrastructure. Biobinders, usually produced from bio-oils obtained from the processing of biomass and industry by-product... Read More about Intrinsic adhesive and cohesive assessment of the moisture sensitivity of bio-rejuvenated recycled asphalt binders.

Development of compression pull-off test (CPOT) to assess bond strength of bitumen (2019)
Journal Article

The quantification of moisture susceptibility has been a major concern for researchers as it adversely affects the performance of asphalt pavements. Several methods have been developed to assess bond strength using asphalt mixtures in loose and compa... Read More about Development of compression pull-off test (CPOT) to assess bond strength of bitumen.

Effect of ageing on the morphology and creep and recovery of polymer-modified bitumens (2018)
Journal Article

Polymer additives are used to improve the properties of road bitumens including their oxidative resistance. However, their usage as anti-oxidative materials remains relatively unclear. This study aims to investigate the changes in the morphology and... Read More about Effect of ageing on the morphology and creep and recovery of polymer-modified bitumens.

Simulating plant produced material in the laboratory to replicate rheological and fatigue properties (2018)
Journal Article

As part of an effort by agencies and industry to move towards performance-based design to evaluate mixtures in the laboratory at a smaller scale before moving to full scale operation, laboratory protocols exist to simulate the aging that occurs as a... Read More about Simulating plant produced material in the laboratory to replicate rheological and fatigue properties.

The effects of laboratory ageing on rheological and fracture characteristics of different rubberised bitumens (2018)
Journal Article

Ageing of bituminous materials can result in loss of the durability of a flexible pavement. Using rubberised bitumens can enhance pavement performance while at the same time it solves a serious waste disposal problem. Combining Warm Mix Asphalt (WMA)... Read More about The effects of laboratory ageing on rheological and fracture characteristics of different rubberised bitumens.

Developing the multiple stress–strain creep recovery (MS-SCR) test (2018)
Journal Article

While most published work from Europe has been concerned with evaluating binders’ resistance to rutting based on their stiffness (deformation resistance), work originating in the US has mainly been concerned with ranking binders based on their recove... Read More about Developing the multiple stress–strain creep recovery (MS-SCR) test.

Linear viscous approach to predict rut depth in asphalt mixtures (2018)
Journal Article

Rutting in asphalt mixtures is a very common type of distress. It occurs due to the heavy load applied and slow movement of traffic. Rutting needs to be predicted to avoid major deformation to the pavement. A simple linear viscous method is used i... Read More about Linear viscous approach to predict rut depth in asphalt mixtures.

Physical and rheological characterization of carbonated bitumen for paving applications (2017)
Journal Article

In the paving industry, current attempts aimed at reducing greenhouse gas emissions have focused on the development of technologies that decrease bitumen viscosity so that asphalt mixtures can be produced at temperatures that are lower than conventio... Read More about Physical and rheological characterization of carbonated bitumen for paving applications.

Relative pavement performance for dual and wide-based tyre assemblies using a finite element method (2017)
Journal Article

There is a need to assess the realistic tire contact pressure created by a tire in contact with a pavement. The contact pressure is a function of tire type, axle loading, and tire inflation pressure (TiP). The research carried out considered dual tir... Read More about Relative pavement performance for dual and wide-based tyre assemblies using a finite element method.