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  • Assessing the Impacts of Climate Change on Road Infrastructure

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    Shao, Zeshen_Final Thesis_redacted.pdf (2.560Mb)
    Author(s)
    Shao, Zeshen
    Primary Supervisor
    Oh, Erwin
    Other Supervisors
    Guan, Hong
    Bolton, Mark
    Year published
    2017
    Metadata
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    Abstract
    There is increasing evidence that the Earth’s climate is changing. These changes can have direct impacts on road infrastructure because of their environmental effects. Temperature can affect the aging of bitumen resulting in an increase in brittle failure of the surface seals that represent more than 90% of the rural sealed roads in Australia. Further, rainfall changes can alter moisture balances and influence pavement deterioration. Brittle failure of the bitumen causes the surface to crack, with a consequent loss of waterproofing of the surface seal. The result is that surface water will enter the pavement causing potholing ...
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    There is increasing evidence that the Earth’s climate is changing. These changes can have direct impacts on road infrastructure because of their environmental effects. Temperature can affect the aging of bitumen resulting in an increase in brittle failure of the surface seals that represent more than 90% of the rural sealed roads in Australia. Further, rainfall changes can alter moisture balances and influence pavement deterioration. Brittle failure of the bitumen causes the surface to crack, with a consequent loss of waterproofing of the surface seal. The result is that surface water will enter the pavement causing potholing and will cause rapid loss of surface condition. More frequent reseal treatments will overcome the problem, but this is at a higher cost to road agencies. Road infrastructure is a long-lived investment. Roads typically have design lives of 20 to 40 years. An understanding of the expected impacts of future climate change by road designers, asset managers and planners, could produce considerable cost savings in the long term. This research aims to provide an assessment of likely effects on climate change for the South East Queensland region in the next 90 years, and further identify and assess the likely effects of climate change on road pavement.
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    Thesis Type
    Thesis (Masters)
    Degree Program
    Master of Philosophy (MPhil)
    School
    School of Eng & Built Env
    DOI
    https://doi.org/10.25904/1912/237
    Copyright Statement
    The author owns the copyright in this thesis, unless stated otherwise.
    Subject
    Climate change
    Road infrastructure
    Publication URI
    http://hdl.handle.net/10072/371946
    Collection
    • Theses - Higher Degree by Research

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