The overall aim of this research is to use a combination of thermodynamic surface free energy and adhesion fracture energy measurements to understand, predict and enhance the resistance to moisture-damage of asphalt mixture pavement materials. Moisture-damage of asphalt mixtures is directly associated with the adhesive and cohesive properties of the material and how the presence of water affects these mechanisms. Although mechanical test procedures exist to quantify the moisture-damage of asphalt mixtures, they do not measure the fundamental material properties related to adhesion and cohesion. This study will use a combination of adhesive fracture energy measurements on bitumen-aggregate and bitumen-filler mastic-aggregate systems using monotonically-loaded tests together with intrinsic adhesion calculations based on thermodynamic surface free energy concepts to produce a step change in the moisture-damage performance and material screening of asphalt mixtures. The introduction and development of these new methods and novel approaches will provide the tools needed for the better selection and moisture-damage prediction of appropriate pavement materials. The study will involve collaboration between researchers working in the areas of pavement engineering materials and the mechanical engineering aspects of adhesion, adhesives and composites. This combined approach will allow the exceptionally high expertise in asphalt technology, moisture-damage characterisation, surface energy and adhesive bond testing and modelling to contribute effectively to improving the understanding and prediction of moisture-damage in asphalt mixtures and thereby provide a tool to achieve the project goal of enhancing moisture-damage performance.

The overall aim of this research is to use a combination of thermodynamic surface free energy and adhesion fracture energy measurements to understand, predict and enhance the resistance to moisture-damage of asphalt mixture pavement materials. Moisture-damage of asphalt mixtures is directly associated with the adhesive and cohesive properties of the material and how the presence of water affects these mechanisms. Although mechanical test procedures exist to quantify the moisture-damage of asphalt mixtures, they do not measure the fundamental material properties related to adhesion and cohesion. This study will use a combination of adhesive fracture energy measurements on bitumen-aggregate and bitumen-filler mastic-aggregate systems using monotonically-loaded tests together with intrinsic adhesion calculations based on thermodynamic surface free energy concepts to produce a step change in the moisture-damage performance and material screening of asphalt mixtures. The introduction and development of these new methods and novel approaches will provide the tools needed for the better selection and moisture-damage prediction of appropriate pavement materials. The study will involve collaboration between researchers working in the areas of pavement engineering materials and the mechanical engineering aspects of adhesion, adhesives and composites. This combined approach will allow the exceptionally high expertise in asphalt technology, moisture-damage characterisation, surface energy and adhesive bond testing and modelling to contribute effectively to improving the understanding and prediction of moisture-damage in asphalt mixtures and thereby provide a tool to achieve the project goal of enhancing moisture-damage performance.

This proposal from Loughborough University outlines the case to renew the funding for the Industrial Doctorate Centre for Innovative and Collaborative Construction Engineering (CICE) as part of the Industrial Doctorate Centres call aginst the Towards Better Exploitation element of the EPSRC Delivery Plan. In partnership with an established industry base, CICE is delivering a high quality research and training programme that: meets the core technical and business needs of the construction industry; enhances its knowledge base; and produces high calibre doctoral graduates that can drive innovation. The Centre addresses a wide range of research issues that concern the UK construction industry including: Innovative Construction Technologies; Construction Business Processes; Advanced Information and Communication Technologies; Sustainable Design and Construction; and Transport and Infrastructure. Many of these areas have been highlighted in various reviews of the industry including the Latham Report, the Technology Foresight Report, the Egan Task Force Report, and more recently the National Technology Platform's research priorities. It also contributes to the EPSRC Delivery Plan as part of the knowledge transfer research and training activities. The research areas of the Centre align with the Engineering and Science for Sustainability research theme, as outlined in the EPSRC's Research Priorities and Opportunities, and fall under the 'Construction and the Built Environment' and 'Transport' sub-themes. Within the Construction and Built Environment, the Centre builds on existing strengths in the Department of Civil and Building Engineering established as part of the Engineering Doctorate Centre and other related industry based research to address some of the EPSRC research priorities to improve efficiency across the supply chain, including: encouraging the uptake of ICT to promote efficiency; improving building performance to minimise impacts on the environment ; and the analysis and design of civil engineering structures . Within the Transport area Sustainability and Innovation are key themes of the research that centres on transport operation and management, transport telematics, and minimising energy use and environmental impact . The Engineering Doctorate Centre (CICE) was established in 1999 and has subsequently recruited a total of 94 research engineers sponsored by a total of 63 large, medium and small companies. Loughborough University is a research intensive institution, which integrates its research and teaching activity at every opportunity to provide a top quality research led learning experience for all its students. The Department of Civil and Building Engineering has consistently achieved high research rating in the RAE assessments and the last RAE results were 5* in Built Environment. The Engineering Doctorate is part of Loughborough University's excellent doctoral research training programme, which in addition to supporting the pursuit of a particular project aims to provide a basic professional training to support the research and offer personal development opportunities. The training programme integrates taught and research elements tailored to suit the needs of the research engineer, project, and the sponsoring company while maintaining the expected quality of the academic standards required for a doctoral study. The Centre is managed by the Director, Prof. Dino Bouchlaghem supported by a Deputy Director, a Centre Manager and an Administrator. A Centre Management Board consisting of the Director, Deputy Director, and Industrial Representatives meets twice a year and is chaired by a senior industrialist from one of the sponsoring companies, oversees the work of the Centre and provides direction and guidance on strategic matters. This proposal has the full support of the University and has been subject to an internal review process to ensure synergy with the University's Research Strategy.