Road infrastructure vulnerability to groundwater table variation due to sea level rise

Roshani, Atena (2014) Road infrastructure vulnerability to groundwater table variation due to sea level rise. Masters by Research thesis, Queensland University of Technology.


This study was conducted to assess the vulnerability of coastal road infrastructures due to climate change induced sea level rise and extreme weather conditions through the estimation of road subgrade strength reduction as a result of changes in soil moisture content. The study area located in the Gold Coast, Australia highlighted that the risk is significant. In wet seasons or areas with wet condition, the groundwater table is already high, so even a small change in the groundwater table can raise the risk of inundation; particularly, in areas with existing shallow groundwater. The predicted risk of a high groundwater table on road infrastructure is a long-term hazard. Therefore, there is time to undertake some management plans to decrease the possible risks, for instance, some deep root plants could be planted along the roads with a high level of risk, to decrease the groundwater table elevation.

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93 since deposited on 19 Aug 2014
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ID Code: 74509
Item Type: QUT Thesis (Masters by Research)
Supervisor: Rajapakse, Jay, Gallage, Chaminda, & Mirfenderesk, Hamid
Keywords: Sea level rise, Groundwater modelling, Bathtub approach, MIKE SHE, Resilient modulus, California Bearing Ratio, Road infrastructure, Subgrade, Groundwater table, Soil water content
Divisions: Current > Schools > School of Earth, Environmental & Biological Sciences
Current > Institutes > Institute for Future Environments
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Institution: Queensland University of Technology
Deposited On: 19 Aug 2014 06:18
Last Modified: 04 Sep 2015 01:58

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