All Outputs (108)

Black Space Rheological Assessment of Asphalt Material Behavior (2021)
Journal Article

Black Space diagrams representing rheological data of asphalt materials in the form of complex modulus (|G*| or |E*|) versus phase angle (δ) have been successfully used for interpretation of material behavior and performance. Previous studies have us... Read More about Black Space Rheological Assessment of Asphalt Material Behavior.

Effect of hydrated lime and other mineral fillers on stiffening and oxidative ageing in bitumen mastic (2021)
Journal Article

The bituminous binder's ageing process is the primary reason behind the decrement in the pavement's in-service life, which can lead to cracking as a result of extreme hardening of the binder. In order to mitigate this problem, several methods have be... Read More about Effect of hydrated lime and other mineral fillers on stiffening and oxidative ageing in bitumen mastic.

Comparison of the Effects of Hydrated Lime on the Moisture-Induced Damage of Stone Mastic Asphalt (SMA) Mixtures (2021)
Conference Proceeding

Moisture-induced damage is one of the most prominent distresses affecting pavement structures worldwide. As a consequence, various strategies for mitigating this phenomenon have been proposed, including the use of additives to improve bitumen-aggrega... Read More about Comparison of the Effects of Hydrated Lime on the Moisture-Induced Damage of Stone Mastic Asphalt (SMA) Mixtures.

Experimental Investigation on Water Loss and Stiffness of CBTM Using Different RA Sources (2021)
Conference Proceeding

Cold recycling of reclaimed asphalt (RA) is a promising technique to build or to maintain roads, combining performance and environmental advantages. Although this technique has been extensively used worldwide, there is no unique and internationally-s... Read More about Experimental Investigation on Water Loss and Stiffness of CBTM Using Different RA Sources.

Temperature Dependency of the Stiffening Effect of Hydrated Lime in Stone Mastic Asphalt (SMA) Mixtures (2021)
Conference Proceeding

The effect of hydrated lime (HL) on the stiffening effect of bituminous mixtures is mainly driven by a physical phenomenon derived from the higher Rigden Air Voids (RAV) of HL in contrast to other filler types commonly used in bituminous mixtures suc... Read More about Temperature Dependency of the Stiffening Effect of Hydrated Lime in Stone Mastic Asphalt (SMA) Mixtures.

Crack Self-healing in Asphalt as a Flow Process (2021)
Book Chapter

Asphalt has the ability to restore diminished properties caused by damage. This ability is known as self-healing and in case of asphalt it is conferred upon by the competent bitumen. Bitumen is a viscoelastic liquid and has self-healing abilities due... Read More about Crack Self-healing in Asphalt as a Flow Process.

Fracture Characterization of Stone Mastic Asphalt (SMA) with Hydrated Lime Through the Semi-circular Bending Test Approach (2021)
Conference Proceeding

Hydrated lime (HL) use as an active filler is due to its ability to increase the stiffness of asphalt mixtures as well as the mechanical and physicochemical performance through improved rutting resistance, reduced aging, and enhanced moisture-induced... Read More about Fracture Characterization of Stone Mastic Asphalt (SMA) with Hydrated Lime Through the Semi-circular Bending Test Approach.

Modelling the stiffness development in asphalt concrete to obtain fatigue failure criteria (2021)
Journal Article

The study of fatigue is critical to good usability and durability of asphalt pavements. Inaccurate calculation of the fatigue failure criteria can cause incorrect evaluation of the fatigue performance, leading to inaccurate prediction of the pavement... Read More about Modelling the stiffness development in asphalt concrete to obtain fatigue failure criteria.

Rutting analysis of different rubberised stone mastic asphalt mixtures: from binders to mixtures (2021)
Journal Article

Stone Mastic Asphalt (SMA) has been broadly used on heavily trafficked roads and motorways in the UK due to its known stability and durability. In this study, several sets of SMA mixtures were produced using different rubberised bitumens, including a... Read More about Rutting analysis of different rubberised stone mastic asphalt mixtures: from binders to mixtures.

Stiffening Effect of Fillers Based on Rheology and Micromechanics Models (2021)
Journal Article

The aggregate in an asphalt mixture is coated with mastic consisting of bitumen (dilute phase) and filler (particulates phase). The interaction of bitumen and filler and packing of filler plays an important role in the properties of mastics. The micr... Read More about Stiffening Effect of Fillers Based on Rheology and Micromechanics Models.

Rheological characterisation of cold bitumen emulsion slurries (2021)
Journal Article

The performance of cold bitumen emulsion (CBE) mixtures is strongly linked to an optimised design of the binder blends and mastics. Types and dosages of bitumen, mineral additions and the workability must be characterised and optimised. This study ai... Read More about Rheological characterisation of cold bitumen emulsion slurries.

The composition of the material phase responsible for the self-healing of macro-cracks in asphalt mortar beams (2020)
Journal Article

Self-healing of asphalt is assumed to be a flow process where bitumen flows into cracks to close them. Hence, the rheological behaviour of bitumen is one of the main factors affecting self-healing together with damage history, healing duration and pr... Read More about The composition of the material phase responsible for the self-healing of macro-cracks in asphalt mortar beams.

Sustainable utilization of bauxite residue (Red Mud) as a road material in pavements: A critical review (2020)
Journal Article

Sustainable utilization of the bauxite residue (red mud) generated from the alumina refining has recently increased due to increased environmental concerns because of its high alkalinity and problematic pollutants when placed in landfills. This paper... Read More about Sustainable utilization of bauxite residue (Red Mud) as a road material in pavements: A critical review.

Application of image analysis tools in Matlab to better estimate the degree of binder coverage in rolling bottles test (2020)
Journal Article

© 2020 Informa UK Limited, trading as Taylor & Francis Group. In asphalt mixture, a strong affinity between binder and aggregates is of prime importance, especially under conditions susceptible to moisture damage. Out of various modifiers/additives... Read More about Application of image analysis tools in Matlab to better estimate the degree of binder coverage in rolling bottles test.

Performance-related and rheological characterisation of natural rubber modified bitumen (2020)
Journal Article

This paper is motivated by the limited research available evaluating the comprehensive effects of natural rubber bitumen modification (NR) for pavement applications. A detailed laboratory programme was carried out to evaluate the influence of NR on t... Read More about Performance-related and rheological characterisation of natural rubber modified bitumen.

Applicability of time-temperature superposition for laboratory-aged neat and SBS-modified bitumens (2020)
Journal Article

© 2020 Elsevier Ltd The applicability of the time–temperature superposition principle (TTSP) can breakdown in the case of highly oxidized bitumens and polymer-modified bitumens (PMBs). This study investigates such problem in Styrene Butadiene Styrene... Read More about Applicability of time-temperature superposition for laboratory-aged neat and SBS-modified bitumens.

Effects of ageing on the damage tolerance of polymer modified bitumens investigated through the LAS test and fluorescence microscopy (2020)
Journal Article

The effects of polymer modification on the durability of Polymer Modified Bitumens (PMBs) still remain relatively unclear due to partial understanding of the combined effects of ageing and loading on damage accumulation. This paper investigates the e... Read More about Effects of ageing on the damage tolerance of polymer modified bitumens investigated through the LAS test and fluorescence microscopy.

Multi-Scale Rheo-Mechanical Study of SMA Mixtures Containing Fine Crumb Rubber in a New Dry-Hybrid Technology (2020)
Journal Article

Moisture susceptibility assessment of hydrated lime modified asphalt mixture and surface energy (2020)
Journal Article

The influence of hydrated lime on moisture susceptibility of asphalt mixture was assessed using a combination of surface energy measurements and modified saturation ageing and tensile stiffness test. Four aggregate types, which are commonly used for... Read More about Moisture susceptibility assessment of hydrated lime modified asphalt mixture and surface energy.

Thermo-rheological analysis of WMA-additive modified binders (2020)
Journal Article

Thermo-rheological characteristics of unmodified and modified bitumen have significant impacts on the mechanical response of asphalt. This study investigates the impacts of an organic and a chemical Warm Mix Asphalt additive on bitumen thermo-rheolog... Read More about Thermo-rheological analysis of WMA-additive modified binders.