Site Investigation for the Effects of Vegetation on Ground Stability |
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| Authors: | John R Greenwood Joanne E Norris Jo Wint |
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| Institution: | (1) School of the Built Environment, Nottingham Trent University, Burton Street, Nottingham, NG1 4BU, England |
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| Abstract: | The procedure for geotechnical site investigation is well established but little attention is currently given to investigating
the potential of vegetation to assist with ground stability. This paper describes how routine investigation procedures may
be adapted to consider the effects of the vegetation. It is recommended that the major part of the vegetation investigation
is carried out, at relatively low cost, during the preliminary (desk) study phase of the investigation when there is maximum
flexibility to take account of findings in the proposed design and construction. The techniques available for investigation
of the effects of vegetation are reviewed and references provided for further consideration. As for general geotechnical investigation
work, it is important that a balance of effort is maintained in the vegetation investigation between (a) site characterisation
(defining and identifying the existing and proposed vegetation to suit the site and ground conditions), (b) testing (in-situ and laboratory testing of the vegetation and root systems to provide design parameters) and (c) modelling (to analyse the
vegetation effects). |
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| Keywords: | desk study ground stability in-situ and laboratory testing site investigation vegetation |
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