Location
Arlington, Virginia
Date
14 Aug 2008, 4:30pm - 6:00pm
Abstract
This paper focuses on the description, analysis and stabilization of a failed cut slope in schist. The slope is located near the top of a hill and was cut for the needs of a new industrial building. A few weeks after the excavation, a slide occurred along the schistosity plane of the slope. The slide was attributed to the effect of water which flooded the slope following an overflow of a water tank located a few meters above the slope crest. For the analysis both the deterministic and probabilistic approaches were carried out, with the input parameters determined from simple in-situ and laboratory tests and also from back-analysis. The results showed that the probabilistic approach offers significant advantages, providing a better feeling of the effect of the uncertainty and variability of the input parameters and in this case a more economical solution, given that a risk of failure equal to 2.25% is acceptable.
Department(s)
Civil, Architectural and Environmental Engineering
Meeting Name
6th Conference of the International Conference on Case Histories in Geotechnical Engineering
Publisher
Missouri University of Science and Technology
Document Version
Final Version
Rights
© 2008 Missouri University of Science and Technology, All rights reserved.
Creative Commons Licensing
This work is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 4.0 License.
Document Type
Article - Conference proceedings
File Type
text
Language
English
Recommended Citation
Manolopoulou, S. B.; Papaliangas, T. T.; and Dimopoulos, T. C., "Analysis and Stabilization of a Failed Cut Slope in Schist" (2008). International Conference on Case Histories in Geotechnical Engineering. 5.
https://scholarsmine.mst.edu/icchge/6icchge/session02/5
Analysis and Stabilization of a Failed Cut Slope in Schist
Arlington, Virginia
This paper focuses on the description, analysis and stabilization of a failed cut slope in schist. The slope is located near the top of a hill and was cut for the needs of a new industrial building. A few weeks after the excavation, a slide occurred along the schistosity plane of the slope. The slide was attributed to the effect of water which flooded the slope following an overflow of a water tank located a few meters above the slope crest. For the analysis both the deterministic and probabilistic approaches were carried out, with the input parameters determined from simple in-situ and laboratory tests and also from back-analysis. The results showed that the probabilistic approach offers significant advantages, providing a better feeling of the effect of the uncertainty and variability of the input parameters and in this case a more economical solution, given that a risk of failure equal to 2.25% is acceptable.
