Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 23 for “"pavement maintenance"”.
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Airfield pavement maintenance.
Massachusetts Institute of Technology, Dept. of Civil Engineering. Thesis. 1971. M.S.
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SCHEDULING OF PAVEMENT MAINTENANCE ACTIVITIES
… of this study is on the optimal scheduling of pavement maintenance activities to reduce traffic delays at the network level using genetic algorithms. This thesis develops a new method of pavement maintenance scheduling at the road network level. Pavement maintenance management involves the …
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GIS-Based Pavement Maintenance Management Model for Local Roads in the UK
… of the road network as a whole. In carrying out pavement maintenance functions, Local Road Authorities face growing pressures arising from inadequate budgets and greater accountability, when many of the existing roads have reached the upper limits of their design life spans while being subjected …
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Discrete Event Simulation Model for Project Selection Level Pavement Maintenance Policy Analysis
A pavement investment and management process has a dynamic structure with cause and effect. Better investment decisions for maintenance will increase the condition of the flexible pavement and will end up with a better level of service. Therefore, better investments decisions on pavement …
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Co-Location Decision Tree for Enhancing Decision-Making of Pavement Maintenance and Rehabilitation
A pavement management system (PMS) is a valuable tool and one of the critical elements of the highway transportation infrastructure. Since a vast amount of pavement data is frequently and continuously being collected, updated, and exchanged due to rapidly deteriorating road conditions, increased …
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Development of New Network-Level Optimization Model for Salem District Pavement Maintenance Programming
… it is essential to establish effective maintenance programs to preserve aging infrastructure systems. The major challenge facing the state highway maintenance managers today is to preserve the road networks at an acceptable level of serviceability subject to the stringent yearly …
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Data-driven pavement maintenance and rehabilitation strategies for a new state route prioritization system
… for a large network of primarily asphalt pavements, has been utilizing a model developed by Georgia Tech under Research Project 05-19 for its current performance analyses. While the model provides an adequate analysis of pavement performance within the network and adheres to both the …
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Vehicle Axle Detection and Spacing Calibration Using MEMS Accelerometer
… especially trucks has an important role in both pavement maintenance and highway planning strategy. An advanced microelectromechanical system (MEMS) accelerometer for vehicle classification based on axle count and spacing was designed, tested, and applied to the pavement. Vehicle-pavement …
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City-scale eco-routing and pavement eco-maintenance scheduling for CO2 mitigation
… asset management perspective, a city-scale pavement degradation model is built and utilised in testing pavement maintenance scenarios. San Francisco is chosen as the case study area due to the availability of various traffic mobility and infrastructure condition data. In Chapter 3 of the …
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Impact of budget uncertainty on network-level pavement condition : a robust optimization approach
… agencies usually face budget uncertainty for pavement maintenance and rehabilitation activities due to limitation in resources and changes in government policies. Highway agencies perform maintenance planning for the pavement network commonly based on the nominal available budget without …
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Evaluation of infrastructure monitoring systems using PDA and GPS technologies
… these technologies benefits the Arlington Pavement Management and Inspection System. A comprehensive pavement management system is the key to better reconstruction, rehabilitation and maintenance decision making. When properly designed and implemented, a pavement management system can be …
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Heuristic rules to achieve pavement performance profile objectives
… agencies adopt either a preventive or corrective maintenance strategy for pavement maintenance programming. Preventive maintenance is carried out when the segment distress value is below their respective warning level for defects whereas corrective maintenance is done when the segment distress …
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Development of GPR data analysis algorithms for predicting thin asphalt concrete overlay thickness and density
… concrete (AC) overlay is a commonly used asphalt pavement maintenance strategy. The thickness and density of thin AC overlay are important to achieving proper pavement performance, which can be evaluated using ground-penetrating radar (GPR). The traditional methods for predicting pavement …
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Development of a life-cycle assessment tool for flexible pavement in-place recycling techniques and conventional methods
… interest in using recycled materials in flexible pavements as an alternative to virgin materials has increased significantly over the past few decades. Therefore, recycling has been utilized in the pavement maintenance and rehabilitation activities. Three types of in-place recycling technologies …
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Analytical study of computer vision-based pavement crack quantification using machine learning techniques
… a promising non-destructive approach for road pavement condition evaluation. The main objective of this study is to extract, quantify and evaluate important surface defects, such as cracks, using an automated computer vision-based system to provide a better understanding of the pavement …
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Soft Computing-based Life-Cycle Cost Analysis Tools for Transportation Infrastructure Management
… to forecast life-cycle costs of competing maintenance and rehabilitation strategies and support infrastructure management decisions. A critical review of available soft computing techniques and their applications in infrastructure management suggested that these techniques provide appealing …
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Development of mechanistic rolling resistance model for pavement life cycle assessment
… It has been shown that a major component of pavement LCA results from rolling resistance (RR) between vehicle-pavement interaction. This study focuses primarily on the development of mechanistic RR model to capture the impact of excess fuel consumption (EFC) and dynamic wheel load (DWL) …
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Mechanistic characterization of thin asphalt overlays for pavement preservation
… a preservation treatment for rigid and flexible pavements to improve ride quality, extend service life, and reduce noise levels on pavements. However, compared to the conventional methods of mechanistic analysis, analyzing thin AC overlay is complicated as these layers are directly exposed to …
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Life Cycle Assessment of Sustainable Road Pavements: Carbon Footprinting and Multi-attribute Analysis
… to integrate environmental impacts as a part of pavement management systems and other decision support tools to choose between different strategies. In this way, being awarded with a "green" certificate for a specific road project could result in the belief that recognition would correspond to …
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