Engineering geological assessment of a proposed waste disposal site in coastal southwestern Ghana |
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| Authors: | E M Frempong |
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| Institution: | (1) Geotechnical Engineering Division, Building and Road Research Institute, Council for Scientific and Industrial Research, University PO Box 40, Kumasi, Ghana, GH |
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| Abstract: | An engineering geological investigation has been undertaken of a proposed landfill site in coastal southwestern Ghana which
is characterized by torrential rains, high relative humidity, shallow groundwater conditions and almost surrounded by a ridge.
The study shows that the site has some desirable characteristics such as availability of suitable soils for the construction
of the capping and bottom liners of the landfill, a large tract of land for landfilling operation and its location close to
a major highway. However, the groundwater table was shallow and there was a high potential for leachate intrusion into and
consequent contamination of nearby groundwater abstraction wells and surface potable water sources thereby constituting serious
threat to life. Construction costs could be prohibitive as extensive dewatering and backfilling of vast portions of the project
site would be required to enable the provision of a separation between the shallow water table and the bottom of the landfill.
Received: 20 January 1998 · Accepted: 26 May 1998 |
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| Keywords: | Landfill Waste disposal Site investigations |
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