Stability of slopes in residual soils

This paper examines and discusses a number of factors that make slope stability assessments, and slope engineering in residual soils somewhat different from sedimentary soils. In particular, slopes are generally steeper and of higher permeability. They are also likely to be more heterogeneous and th...

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Autor principal: Wesley,Laurence
Lenguaje:English
Publicado: Universidad Católica de la Santísima Concepción 2011
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Acceso en línea:http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-28132011000200005
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spelling oai:scielo:S0718-281320110002000052012-03-28Stability of slopes in residual soilsWesley,Laurence slope stability residual soils pore pressure ratio back analysis remedial measures This paper examines and discusses a number of factors that make slope stability assessments, and slope engineering in residual soils somewhat different from sedimentary soils. In particular, slopes are generally steeper and of higher permeability. They are also likely to be more heterogeneous and thus less amenable to analytical assessment than slopes in sedimentary soils. These factors are discussed in some detail. It is explained that climate and weather influence is much greater in residual soils than sedimentary soils, and theoretical methods are presented for taking this influence into account. It is shown also that traditional computer program methods of slip circle analysis can result in very large errors if applied to steep slopes in which seepage is occurring. More rigorous treatment of the seepage state, especially the "worst case" state is needed in order to produce sensible estimates of safety factor.info:eu-repo/semantics/openAccessUniversidad Católica de la Santísima ConcepciónObras y proyectos n.10 20112011-01-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-28132011000200005en10.4067/S0718-28132011000200005
institution Scielo Chile
collection Scielo Chile
language English
topic slope stability
residual soils
pore pressure ratio
back analysis
remedial measures
spellingShingle slope stability
residual soils
pore pressure ratio
back analysis
remedial measures
Wesley,Laurence
Stability of slopes in residual soils
description This paper examines and discusses a number of factors that make slope stability assessments, and slope engineering in residual soils somewhat different from sedimentary soils. In particular, slopes are generally steeper and of higher permeability. They are also likely to be more heterogeneous and thus less amenable to analytical assessment than slopes in sedimentary soils. These factors are discussed in some detail. It is explained that climate and weather influence is much greater in residual soils than sedimentary soils, and theoretical methods are presented for taking this influence into account. It is shown also that traditional computer program methods of slip circle analysis can result in very large errors if applied to steep slopes in which seepage is occurring. More rigorous treatment of the seepage state, especially the "worst case" state is needed in order to produce sensible estimates of safety factor.
author Wesley,Laurence
author_facet Wesley,Laurence
author_sort Wesley,Laurence
title Stability of slopes in residual soils
title_short Stability of slopes in residual soils
title_full Stability of slopes in residual soils
title_fullStr Stability of slopes in residual soils
title_full_unstemmed Stability of slopes in residual soils
title_sort stability of slopes in residual soils
publisher Universidad Católica de la Santísima Concepción
publishDate 2011
url http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-28132011000200005
work_keys_str_mv AT wesleylaurence stabilityofslopesinresidualsoils
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