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Dynamic Slope Stability Analysis of Ash Dykes
Ash, a by-product obtained from the ignition of coal, is predominantly produced from thermal power plants based on coal. Disposal of the ash in land can be minimized by using the ash in various geotechnical, structural, and transportation engineering works. When ash is to be used in these works, properties of the pond ash under dynamic conditions must be ascertained to find its liquefaction potential under cyclic loading. The cyclic loading procedures to determine dynamic properties of ash commonly used in laboratory are simple shear, cyclic triaxial, and resonant column. In the current study, a series of strain-controlled tests were performed at various relative densities and effective confining pressures in cyclic-traxial apparatus to find the liquefaction potential of pond ash in the dyke. Finite element analysis was carried out using the GeoStudio software to find the factor of safety against slope stability. The factor-of-safety values were found to be more than 1.5 under both static and dynamic loading conditions. The bearing capacity of soil at first stage of ash dyke loading and pond ash at higher stages was found to be adequate.
Dynamic Slope Stability Analysis of Ash Dykes
Ash, a by-product obtained from the ignition of coal, is predominantly produced from thermal power plants based on coal. Disposal of the ash in land can be minimized by using the ash in various geotechnical, structural, and transportation engineering works. When ash is to be used in these works, properties of the pond ash under dynamic conditions must be ascertained to find its liquefaction potential under cyclic loading. The cyclic loading procedures to determine dynamic properties of ash commonly used in laboratory are simple shear, cyclic triaxial, and resonant column. In the current study, a series of strain-controlled tests were performed at various relative densities and effective confining pressures in cyclic-traxial apparatus to find the liquefaction potential of pond ash in the dyke. Finite element analysis was carried out using the GeoStudio software to find the factor of safety against slope stability. The factor-of-safety values were found to be more than 1.5 under both static and dynamic loading conditions. The bearing capacity of soil at first stage of ash dyke loading and pond ash at higher stages was found to be adequate.
Dynamic Slope Stability Analysis of Ash Dykes
Lecture Notes in Civil Engineering
Latha Gali, Madhavi (editor) / Raghuveer Rao, P. (editor) / Hari Prasad, P. (author) / Vineeth Reddy, K. (author) / Kalyan Kumar, G. (author)
2020-08-14
11 pages
Article/Chapter (Book)
Electronic Resource
English
Dynamic Slope Stability Analysis of Ash Dykes
| TIBKAT | 2021
Slope Stability Analysis and Design Aspects of Ash Dykes
| British Library Conference Proceedings | 2003
| British Library Online Contents | 2013