Stability Analysis on Urban Slopes: Case Study of an Anthropogenic-Induced Landslide in São José dos Campos, Brazil

This work presents the natural and anthropogenic drivers of a landslide event in the city of São José dos Campos, Brazil. By using stability analysis coupled with transient flux in non-saturated soil, it was found that an early warning for the event would be unfeasible with just the use of pluviomet...

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Bibliographic Details
Published in:Geotechnical and geological engineering 2018-02, Vol.36 (1), p.599-610
Main Authors: Mendes, Rodolfo Moreda, de Andrade, Marcio Roberto Magalhães, Graminha, Celso Aluísio, Prieto, Carla Corrêa, de Ávila, Frederico Fernandes, Camarinha, Pedro Ivo Mioni
Format: Article
Language:English
Subjects:
Anthropogenic factors
Civil Engineering
Early warning systems
Earth and Environmental Science
Earth Sciences
Environmental monitoring
Geotechnical Engineering & Applied Earth Sciences
Hydrogeology
Landslides
Landslides & mudslides
Rain
Rainfall
Saturated soils
Slope
Slope stability
Soil
Soil moisture
Soil stability
Soil suction
Stability analysis
Technical Note
Terrestrial Pollution
Warning systems
Waste Management/Waste Technology
Water tanks
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Summary:This work presents the natural and anthropogenic drivers of a landslide event in the city of São José dos Campos, Brazil. By using stability analysis coupled with transient flux in non-saturated soil, it was found that an early warning for the event would be unfeasible with just the use of pluviometric data, given the local anthropic changes on the terrain. Rainfall was not the main trigger of the landslide after taking into account local characteristics, such as the high vertical section, a water tank leakage and surcharge over the slope. Considering that similar conditions are found in most areas of landslides in Brazil, numerical modeling that integrates such drivers, as well as monitoring of rainfall, soil moisture and soil suction, is a promising tool for the establishment of thresholds for landslides in early warning systems.
ISSN:0960-3182
1573-1529
DOI:10.1007/s10706-017-0303-z