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Stability Modelling of Clay and Silt Slopes to Evaluate the Feasibility of Rheometer Test Results

  • Universidad San Francisco de Quito

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

Stability analyses in slopes require mechanical soil properties. Many laboratory procedures had been developed to obtain mechanical parameters: triaxial undrained tests, direct shear tests, and oedometer tests to mention a few. This paper evaluates the feasibility of rheometer tests results to develop a stability model of clay and silt slopes. SEEP/W and SLOPE/W analyses were developed in GeoStudio, modeling drought and rain periods to evaluate the effect of matric suction in shear strength. Results are compared with similar analysis found in the literature, where traditional tests had been applied. The safety factor evolution has been computed during different weather conditions, where the soil strength evolution has been considered. This research revealed that the rheometer tests are feasible to understand the evolution of slopes’ stability.

Original languageEnglish
Title of host publicationProceedings of the 7th World Congress on Civil, Structural, and Environmental Engineering, CSEE 2022
EditorsHany El Naggar, Joaquim Barros, Paulo Cachim
PublisherAvestia Publishing
ISBN (Print)9781927877999
DOIs
StatePublished - 2022
Event7th World Congress on Civil, Structural, and Environmental Engineering, CSEE 2022 - Virtual, Online
Duration: 10 Apr 202212 Apr 2022

Publication series

NameWorld Congress on Civil, Structural, and Environmental Engineering
ISSN (Electronic)2371-5294

Conference

Conference7th World Congress on Civil, Structural, and Environmental Engineering, CSEE 2022
CityVirtual, Online
Period10/04/2212/04/22

Keywords

  • rheometer test results
  • safety factor
  • seepage modeling
  • stability modeling

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