- The May 25th 2011 Railroad Embankment Failure in Ann Arbor, Michigan, As a Means for Teaching Geotechnical Engineer
- Dimitrios Zekkos ; Adda Athanasopoulos-Zekkos ; Athena Grizi ; William Greenwood
- Book Title / Journal: International Journal of Geoengineering Case Histories
- Year: 2016 , Volume: 3
- Slope Stability Analysis ; Site Characterization & In-situ Testing (General) ; Seepage ; Railway Geotechnics
- Keywords: Education ; Embankment ; stability ; Seepage ; railroad ; site characterization
- Abstract
A 30-m long railroad embankment failure that occurred on May 25 2011 in the city of Ann Arbor, Michigan, is presented. Emphasis is given on the field observations of the failure, the characterization of the site conditions and the seepage and slope stability analyses, all of which represent important components of the training and practice of a geotechnical engineer. The failure occurred following a record wet season that resulted in ponding water against the embankment and high enough water pressures and exit gradients that resulted in instability of the railroad embankment. Detailed background material and the methodology for using the case history in geotechnical engineering education are presented. PDF |
- Geotechnical Design of Embankment: Slope Stability Analyses and Settlement Calculations
- Vasiliki Xenaki ; George Doulis ; George Athanasopoulos
- Book Title / Journal: International Journal of Geoengineering Case Histories
- Year: 2016 , Volume: 3
- Slope Stability Analysis
- Keywords: geotechnical instruction ; Embankment ; Slope stability ; Settlements ; Consolidation theory
- Abstract
The objective of the paper is the presentation of a case study developed for geotechnical engineering instruction. The examined case study is suitable for undergraduate instruction and refers to the geotechnical design of a railway embankment focusing on slope stability analyses and settlement calculations. The presented geotechnical data have resulted from the geotechnical study implemented by Edafomichaniki S.A. within the framework of the project “Geotechnical Design of the New Railway Alignment between the Existing Line and Kavala’s Port”. The geotechnical design of a railway embankment is described thoroughly in the current paper and includes the following: a) the evaluation of the available geotechnical data encompassing the determination of soil stratigraphy and geotechnical design parameters of the encountered formations, b) the performance of geotechnical calculations regarding slope stability analyses and settlement calculations with detailed reference to consolidation theory and c) the presentation of the construction methodology of the embankment. The usefulness of the examined case study is highlighted through the achievement of a significant number of learning outcomes. The current paper is accompanied with detailed supplementary material. PDF |
- Applicability of the Field Deformation Measurement Data in Predicting the Stability of Embankment Slopes
- T.H.K. Nawarathna ; L.I.N. Silva
- ICGE Colombo 2015
- Year: 2015
- Slope Stability ; Slope Stability Analysis
PDF |
- Back Analysis and Rectification of a Failed Cut Slope in the Southern Expressway
- U.K.N.P. Dharmasena ; K.N. Bandara ; W.A. Karunawardena ; S.A.S. Kulathilaka
- ICGE Colombo 2015
- Year: 2015
- Slope Stability ; Slope Stability Analysis
PDF |
- Stability Analyses of the 1981 San Luis Dam Slide
- Ashok K. Chugh ; D. V. Griffiths
- Book Title / Journal: International Journal of Geoengineering Case Histories
- Year: 2014 , Volume: 3
- Slope Stability Analysis ; Dam Engineering ; Numerical & Constitutive Modeling
- Keywords: analysis ; Case History ; Dams ; failure ; Slope stability ; two- and three- dimensional numerical analysis
- Abstract
The 1981 upstream slope failure in San Luis Dam in California, USA, is analyzed for stability and deformations in two- and three-dimensions using continuum-mechanics-based analysis procedures implemented in the computer programs FLAC and FLAC3D. The analysis results (failure surface, factor of safety, and displacements) from the continuum models are in general agreement with the field data. In addition, two-dimensional slope stability analysis results using a modified form of limit-equilibrium-based Spencer’s procedure for variable factor of safety implemented in the computer program SSTAB2 are included. Overall, the analysis results supplement the previously reported failure analyses. The paper serves three primary functions: (1) it documents results of a different analysis of the 1981 San Luis Dam slope failure; (2) it demonstrates the use of 2-D and 3-D continuum models to study the onset of instability, failure surface geometry and location, and permanent displacements associated with slope failures; and (3) it demonstrates the use of variable factor of safety to identify location of instability initiation, and progression of instability in a soil deposit. In addition, the paper demonstrates the benefits of three-dimensional analysis for complex conditions in dam engineering practice. PDF |
- Future evolution of slope stability analysis created by SPH method
- S. Moriguchi ; A. Yashima ; H. Nonoyama
- Proceedings of the 18th International Conference on Soil Mechanics and Geotechnical Engineering, Paris, September 2-6 2013
- Year: 2013
- Slope Stability Analysis
PDF |
- Analysis of landslides in urban regions
- E. Rafie ; J.P. Seoud ; M. Hajal ; M.E. Rahhal
- Proceedings of the 18th International Conference on Soil Mechanics and Geotechnical Engineering, Paris, September 2-6 2013
- Year: 2013
- Landslides ; Slope Stability ; Slope Stability Analysis
PDF |
- Investigation of failure analysis of clay reinforced with sand encapsulated
- S. Hajiesmaeilian ; A.R. Tabarsa
- Proceedings of the 18th International Conference on Soil Mechanics and Geotechnical Engineering, Paris, September 2-6 2013
- Year: 2013
- Ground Improvement ; Slope Stability Analysis ; Numerical & Constitutive Modeling
PDF |
- Simplified seismic wall stability analysis
- J.-F. Serratrice ;
- Proceedings of the 18th International Conference on Soil Mechanics and Geotechnical Engineering, Paris, September 2-6 2013
- Year: 2013
- Slope Stability Analysis ; Seismic Slope Stability ; Seismic ; Retaining Walls
PDF |
- Stability analysis of earth dams under static and earthquake loadings using geosynthetics as a seepage barrier
- Babu Sivakumar ; A. Srivastava
- Proceedings of the 18th International Conference on Soil Mechanics and Geotechnical Engineering, Paris, September 2-6 2013
- Year: 2013
- Earth / Rockfill Dams ; Slope Stability Analysis ; Seismic Slope Stability ; Geosynthetics for Flow ; Seepage
PDF |
- Comparison of 3D Finite Element Slopes Stability with 3D Limit Equilibrium Analysis
- D.G. Fredlund ; M.D. Fredlund ; L.M. Xu ; H.H. Lu
- Proceedings of the 18th International Conference on Soil Mechanics and Geotechnical Engineering, Paris, September 2-6 2013
- Year: 2013
- Slope Stability Analysis ; Finite Element / Finite Difference
PDF |
- Geotechnical Aspects of Design and Construction of the Mountain Cluster Olympic Facilities in Sochi
- ?. Kabantsev ; A. Skorokhodov ; S. Rytov ; P. Kharlamov ; I. Iovlev ; S. Iliyn ; K. Djantimirov ; G. Bobyr ; S. Kryuchkov ; S. Kurillo ; V. Fedorovsky
- Proceedings of the 18th International Conference on Soil Mechanics and Geotechnical Engineering, Paris, September 2-6 2013
- Year: 2013
- Slope Stability Analysis ; Landslides
PDF |
- Probabilistic methods in the stability analysis of earth retaining structures
- S.U. Ejezie ; T.N. Njoku
- 17th International Conference on Soil Mechanics and Geotechnical Engineering (Alexandria)
- Year: 2009
- Slope Stability Analysis ; Earth Retaining Structures
PDF |
- Three dimensional probabilistic slope stability analysis by RFEM
- D.V. Griffiths ; J. Huang ; G.A. Fenton
- 17th International Conference on Soil Mechanics and Geotechnical Engineering (Alexandria)
- Year: 2009
- Slope Stability Analysis ; Finite Element / Finite Difference
PDF |
- Monitoring of shear strain in shallow sections of slopes to detect increased risk of slope failure
- S. Tamate ; K. Itoh
- 17th International Conference on Soil Mechanics and Geotechnical Engineering (Alexandria)
- Year: 2009
- Slope Stability ; Slope Stability Analysis ; Instrumentation ; Centrifuge Testing
PDF |