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Analytical analysis of hydraulic effect of vegetation on shallow slope stability with different root architectures

Liu, H.W. / Feng, S. / Ng, C.W.W.

Abstract A parametric study is performed to investigate hydraulic effect of vegetation on shallow slope stability with different root architectures in an infinite slope. Calculated results show during the first one hour of rainfall (181mm/day), the exponential root architecture has higher ability to maintain shallow slope stability than the parabolic one. Under light rainfall (i.e., 20mm/day) for 24h, hydraulic effect of vegetation is more important inside root zone than outside root zone, while it is the opposite for rainfall intensities of 181 and 394mm/day over the same duration. Parabolic rooted slope is more sensitive to rainfall pattern than bare one.

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Analytical analysis of hydraulic effect of vegetation on shallow slope stability with different root architectures

Liu, H.W. / Feng, S. / Ng, C.W.W.

Abstract A parametric study is performed to investigate hydraulic effect of vegetation on shallow slope stability with different root architectures in an infinite slope. Calculated results show during the first one hour of rainfall (181mm/day), the exponential root architecture has higher ability to maintain shallow slope stability than the parabolic one. Under light rainfall (i.e., 20mm/day) for 24h, hydraulic effect of vegetation is more important inside root zone than outside root zone, while it is the opposite for rainfall intensities of 181 and 394mm/day over the same duration. Parabolic rooted slope is more sensitive to rainfall pattern than bare one.

Analytical analysis of hydraulic effect of vegetation on shallow slope stability with different root architectures

Liu, H.W. / Feng, S. / Ng, C.W.W.

Abstract A parametric study is performed to investigate hydraulic effect of vegetation on shallow slope stability with different root architectures in an infinite slope. Calculated results show during the first one hour of rainfall (181mm/day), the exponential root architecture has higher ability to maintain shallow slope stability than the parabolic one. Under light rainfall (i.e., 20mm/day) for 24h, hydraulic effect of vegetation is more important inside root zone than outside root zone, while it is the opposite for rainfall intensities of 181 and 394mm/day over the same duration. Parabolic rooted slope is more sensitive to rainfall pattern than bare one.

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Title:

Analytical analysis of hydraulic effect of vegetation on shallow slope stability with different root architectures

Contributors:

Liu, H.W. (author) / Feng, S. (author) / Ng, C.W.W. (author)

Published in:

Computers and Geotechnics ; 80 ; 115-120

Publication date:

2016-06-12

Size:

6 pages

ISSN:

DOI:

https://doi.org/10.1016/j.compgeo.2016.06.006

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Analytical analysis , Root architecture , Hydraulic effect , Shallow slope stability , Infinite slope

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