Download Eco- and Ground Bio-Engineering: The Use of Vegetation to by Alexia Stokes, Ioannis Spanos, Joanne E. Norris, Erik PDF

By Alexia Stokes, Ioannis Spanos, Joanne E. Norris, Erik Cammeraat

This quantity brings jointly papers from geotechnical and civil engineers, biologists, ecologists and foresters. They talk about present difficulties in slope balance examine and the way to handle them utilizing flooring bio- and eco-engineering recommendations. assurance provides stories through scientists and practitioners on slope instability, erosion, soil hydrology, mountain ecology, land use and recovery and the way to mitigate those difficulties utilizing plants.

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Read or Download Eco- and Ground Bio-Engineering: The Use of Vegetation to Improve Slope Stability: Proceedings of the First International Conference on Eco-Engineering ... (Developments in Plant and Soil Sciences) PDF

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Additional resources for Eco- and Ground Bio-Engineering: The Use of Vegetation to Improve Slope Stability: Proceedings of the First International Conference on Eco-Engineering ... (Developments in Plant and Soil Sciences)

Example text

38, 995–1024. Schields F D and Gray D H 1992 Effects of woody vegetation on the structural integrity of sandy levees. Water Resour. Bull. 28(5), 917–931. Schuurman J J and Goedewaagen M A J 1971 Methods for the Examination of Root Systems and Roots, in Methods in Use at the Insitute for Soil Fertility for Eco-morphological Root Investigations. 2nd edition. Centre for Agricultural Publishing and Documentation, Wageningen, The Netherlands, pp. 43–49. Sidle R C 1992 A theoretical model of the effects of timber harvesting on slope stability.

3), Gray and Sotir, 1996; Wu, 1995): Tr (d) = αd −β , (3) where α and β are empirical constants depending on species. 32 To account for the variability in root size Eq. (2) must then be rewritten as: N tR = Tri i=1 Ari , A (4) where i indicates the diameter class and N the number of classes. Root area ratio (RAR) provides a measure of root density within the soil and as a consequence it is strongly influenced by local soil and climate characteristics, land use management and associated vegetation communities and randomness.

So the tensile strength and L were estimated and used in the cable solution, Eq. (3). Since the soil is cohesive and partially saturated, the shear strength from consolidated—undrained shear tests was used for c to calculate q y . This assumes that at fairly rapid loading rate used in the field tests and at high moistures, failure occurs in the undrained condition. The range in calculated sr represents the uncertainty about the root diameter at the failure point. Calculated measured sr for 10 tests are plotted in Figure 5.

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