Analysis of steady state vs dynamic modelling of groundwater mounding in development areas in WA

Rusconi, Luke (2016) Analysis of steady state vs dynamic modelling of groundwater mounding in development areas in WA. [USQ Project]

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Abstract

In Western Australia, a key design requirement in the land development industry is to ensure that finished lot levels have sufficient separation to groundwater levels. This is to ensure the practical and economic construction of dwellings, as well as to protect the amenity of the dwellings and provide recreational areas and gardens that are not water logged and fit for use. To achieve this there are two standard methodologies used within the industry being, the filling of lots to gain separation and/or the provision of adequate subsoil drainage to lower and control groundwater. The cost of importing fill to development sites is becoming increasingly high as existing sand supplies are becoming exhausted. There is also a considerable environmental cost to extracting and transporting sand fill. Hence, the accuracy of the design techniques used to asses fill requirements and drainage systems is paramount in providing efficient, economically viable designs. There are various models and methodologies used throughout the industry in the design of drainage systems and earthwork levels, these include steady state models such as the Hooghoudt equation, as well as dynamic software models like MODFLOW. This report investigates a selection of these models and the variance between them as well as the different techniques and methods for disposal of stormwater.


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Item Type: USQ Project
Item Status: Live Archive
Additional Information: Bachelor of Engineering (Honours) Major Civil Engineering Project
Faculty / Department / School: Current - Faculty of Health, Engineering and Sciences - School of Civil Engineering and Surveying
Supervisors: Dafny, Elad
Date Deposited: 23 Jul 2017 22:38
Last Modified: 23 Jul 2017 22:38
Uncontrolled Keywords: land development; design requirement; steady state vs dynamic modelling; groundwater mounding; WA; stormwater
Fields of Research : 09 Engineering > 0905 Civil Engineering > 090509 Water Resources Engineering
URI: http://eprints.usq.edu.au/id/eprint/31473

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