Stabilisation of slopes by vegetation reinforcement

M. F. Bransby; M. C. R. Davies; S. B. Mickovski; R. Sonnenberg; A. G. Bengough; P. D. Hallett

doi:10.1201/NOE0415415866

Stabilisation of slopes by vegetation reinforcement

M. F. Bransby, M. C. R. Davies, S. B. Mickovski, R. Sonnenberg, A. G. Bengough, P. D. Hallett

Civil Engineering and Environmental Management

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Planting or maintenance of vegetation is seen increasingly as a sustainable method for slope reinforcement. Widespread use is limited by the confidence engineers have in design methods involving complex biological materials. We are investigating the link between root systems, root mechanical properties and soil slope stability. This study involves a mixture of slope reinforcement tests (geotechnical centrifuge model tests containing modelled vegetation), root-soil interaction tests (direct shear tests and root pull-out) and element tests (of roots and soil). The root-soil interaction tests investigate how the roots interact with the surrounding soil to increase its strength. Direct shear tests of fallow and root reinforced soil allowed measurement of the increase of shear strength due to the roots. Additional root 'pull-out' tests allowed investigation of the interaction of both individual roots with soil and of the root-soil interface properties which will be used in future numerical and analytical studies of slope stability.

Original language	English
Title of host publication	Physical Modelling in Geotechnics
Subtitle of host publication	6th ICPMG '06
Place of Publication	London
Publisher	Taylor & Francis Group
Pages	317-324
Number of pages	8
Volume	1
ISBN (Electronic)	978-0-415-88929-2
ISBN (Print)	978-0-415-41586-6
DOIs	https://doi.org/10.1201/NOE0415415866
Publication status	Published - 2006

Keywords

slope reinforcement
vegetation reinforcement
root systems
root mechanical properties
soil slope stability

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10.1201/NOE0415415866

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title = "Stabilisation of slopes by vegetation reinforcement",

abstract = "Planting or maintenance of vegetation is seen increasingly as a sustainable method for slope reinforcement. Widespread use is limited by the confidence engineers have in design methods involving complex biological materials. We are investigating the link between root systems, root mechanical properties and soil slope stability. This study involves a mixture of slope reinforcement tests (geotechnical centrifuge model tests containing modelled vegetation), root-soil interaction tests (direct shear tests and root pull-out) and element tests (of roots and soil). The root-soil interaction tests investigate how the roots interact with the surrounding soil to increase its strength. Direct shear tests of fallow and root reinforced soil allowed measurement of the increase of shear strength due to the roots. Additional root 'pull-out' tests allowed investigation of the interaction of both individual roots with soil and of the root-soil interface properties which will be used in future numerical and analytical studies of slope stability.",

keywords = "slope reinforcement, vegetation reinforcement, root systems, root mechanical properties, soil slope stability",

author = "Bransby, {M. F.} and Davies, {M. C. R.} and Mickovski, {S. B.} and R. Sonnenberg and Bengough, {A. G.} and Hallett, {P. D.}",

note = "PT: B; CT: 6th International Conference on Physical Modelling in Geotechnics (ICPMG 2006); CY: AUG 04-06, 2006; CL: Hong Kong, PEOPLES R CHINA; SP: Hong Kong Geotech Soc; TC: 0; UT: WOS:000245320200041",

year = "2006",

doi = "10.1201/NOE0415415866",

language = "English",

isbn = "978-0-415-41586-6",

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booktitle = "Physical Modelling in Geotechnics",

publisher = "Taylor & Francis Group",

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TY - GEN

T1 - Stabilisation of slopes by vegetation reinforcement

AU - Bransby, M. F.

AU - Davies, M. C. R.

AU - Mickovski, S. B.

AU - Sonnenberg, R.

AU - Bengough, A. G.

AU - Hallett, P. D.

N1 - PT: B; CT: 6th International Conference on Physical Modelling in Geotechnics (ICPMG 2006); CY: AUG 04-06, 2006; CL: Hong Kong, PEOPLES R CHINA; SP: Hong Kong Geotech Soc; TC: 0; UT: WOS:000245320200041

PY - 2006

Y1 - 2006

N2 - Planting or maintenance of vegetation is seen increasingly as a sustainable method for slope reinforcement. Widespread use is limited by the confidence engineers have in design methods involving complex biological materials. We are investigating the link between root systems, root mechanical properties and soil slope stability. This study involves a mixture of slope reinforcement tests (geotechnical centrifuge model tests containing modelled vegetation), root-soil interaction tests (direct shear tests and root pull-out) and element tests (of roots and soil). The root-soil interaction tests investigate how the roots interact with the surrounding soil to increase its strength. Direct shear tests of fallow and root reinforced soil allowed measurement of the increase of shear strength due to the roots. Additional root 'pull-out' tests allowed investigation of the interaction of both individual roots with soil and of the root-soil interface properties which will be used in future numerical and analytical studies of slope stability.

AB - Planting or maintenance of vegetation is seen increasingly as a sustainable method for slope reinforcement. Widespread use is limited by the confidence engineers have in design methods involving complex biological materials. We are investigating the link between root systems, root mechanical properties and soil slope stability. This study involves a mixture of slope reinforcement tests (geotechnical centrifuge model tests containing modelled vegetation), root-soil interaction tests (direct shear tests and root pull-out) and element tests (of roots and soil). The root-soil interaction tests investigate how the roots interact with the surrounding soil to increase its strength. Direct shear tests of fallow and root reinforced soil allowed measurement of the increase of shear strength due to the roots. Additional root 'pull-out' tests allowed investigation of the interaction of both individual roots with soil and of the root-soil interface properties which will be used in future numerical and analytical studies of slope stability.

KW - slope reinforcement

KW - vegetation reinforcement

KW - root systems

KW - root mechanical properties

KW - soil slope stability

U2 - 10.1201/NOE0415415866

DO - 10.1201/NOE0415415866

M3 - Conference contribution

SN - 978-0-415-41586-6

VL - 1

SP - 317

EP - 324

BT - Physical Modelling in Geotechnics

PB - Taylor & Francis Group

CY - London

ER -