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Optimization of Temporary Haul Road Design and Earthmoving Job Planning based on Site Rough-grading Design Open Access


Other title
Haul Road Design
Type of item
Degree grantor
University of Alberta
Author or creator
Liu, Chang
Supervisor and department
Lu, Ming (Civil and Environmental Engineering)
Examining committee member and department
Lu, Ming (Civil and Environmental Engineering)
Han, SangUk (Civil and Environmental Engineering)
Qiu, Zhi-Jun (Civil and Environmental Engineering)
Department of Civil and Environmental Engineering
Construction Engineering and Management
Date accepted
Graduation date
Master of Science
Degree level
Site rough-grading operations are the preliminary work of the construction projects in remote areas especially in Northern Alberta. Haulage cost typically accounts for around 30% of the total cost of mass earthmoving projects. The temporary haul road network built in the earthmoving field is one major factor influencing haulage cost and production efficiency, which remains an empirical design problem at present. In order to convert it into an analytical problem, this study firstly utilizes the Floyd-Warshall algorithm and linear programming model to formulate the earthmoving planning based on a certain layout of temporary road network, shedding light on the potential benefits of selecting routes and directions for handling earthmoving jobs. On the basis of the optimization of earthmoving job planning, the optimization of layout of temporary road network is further proposed by using multi-generation compete genetic algorithm. The optimization approaches are explained in details through a practical application. Based on analytical analysis and numerical applications, it is proved that the optimization approach can reduce the total cost of the project and shortens its duration. In addition, simulation models are used to prove the effectiveness and feasibility of optimization results. The study conducts comprehensive and in-depth analyses to tackle the temporary haul road network design problem in the context of earthworks planning, which can provide decision support in planning and executing massive earthworks.
Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of these terms. The author reserves all other publication and other rights in association with the copyright in the thesis and, except as herein before provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
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