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Please use this identifier to cite or link to this item: http://hdl.handle.net/10481/24390

Title: Using waste to reduce slope erosion on road embankments
Authors: de Oña, Juan
Osorio, Francisco
Issue Date: 1-Feb-2006
Abstract: Urban waste may be used to reduce slope erosion of highway embankments. Whereas different kinds of compost have been tested in the USA for highway revegetation, sewage sludge has been used only for agricultural purposes. This paper presents the results of research carried out in order to study the viability of the application of sewage sludge compared with compost. Test areas measuring 4 m 3 5 m were constructed on a new highway embankment with 2 : 1 and 3 : 2 side slopes in the south of Spain. Crop cover and erosion were evaluated for plots with application of three dosages of compost and three dosages of sludge. Also, the costs of the proposed application are analysed. This treatment costs, on average, 0.24% of the budget for new roads infrastructure, and reduces soil loss by up to 30% on average. Based on these results, compost and sludge can be successfully used to reduce slope erosion on highway embankments. However, standards and specifications are required for their routine application.
Sponsorship: Department of Civil Engineering, University of Granada, Spain
Publisher: Thomas Telford
Description: “Permission is granted by ICE Publishing to print one copy for personal use. Any other use of these PDF files is subject to reprint fees" (www.transport-ice.com). http://dx.doi.org/10.1680/tran.2006.159.1.15
Keywords: Embankments
Environment
Roads
Highways
URI: http://hdl.handle.net/10481/24390
ISSN: 0965-092X
1751-7710
Citation: de Oña, J.; Osorio, F. Using waste to reduce slope erosion on road embankments. Proceedings of the Institution of Civil Engineers- Transport, 159 (1): 15–24 (2006). [http://hdl.handle.net/10481/24390]
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