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Monotonic Behavior of Pond Ash under Critical State Soil Mechanics Framework

Zhang, J. / Lo, S. R. / Rahman, M. M. / Yan, J.

Critical state soil mechanics (CSSM) has been proven to be a successful approach in predicting the behavior of clean sand; however, whether it would work well with pond ash is still unknown. Hence, the aim of this study is to evaluate the applicability of the CSSM framework to pond ash under monotonic triaxial compression testing and its ability to predict behavior patterns in undrained shearing. The specimens were prepared by a newly developed slurry deposition (SD) technique to better simulate the deposition in ash pond. Test results exhibited a unique critical state line from drained and undrained triaxial compression tests. The behavior of pond ash can be correlated with the initial state parameter ψ₀.

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Monotonic Behavior of Pond Ash under Critical State Soil Mechanics Framework

Zhang, J. / Lo, S. R. / Rahman, M. M. / Yan, J.

Critical state soil mechanics (CSSM) has been proven to be a successful approach in predicting the behavior of clean sand; however, whether it would work well with pond ash is still unknown. Hence, the aim of this study is to evaluate the applicability of the CSSM framework to pond ash under monotonic triaxial compression testing and its ability to predict behavior patterns in undrained shearing. The specimens were prepared by a newly developed slurry deposition (SD) technique to better simulate the deposition in ash pond. Test results exhibited a unique critical state line from drained and undrained triaxial compression tests. The behavior of pond ash can be correlated with the initial state parameter ψ₀.

Monotonic Behavior of Pond Ash under Critical State Soil Mechanics Framework

Zhang, J. / Lo, S. R. / Rahman, M. M. / Yan, J.

Critical state soil mechanics (CSSM) has been proven to be a successful approach in predicting the behavior of clean sand; however, whether it would work well with pond ash is still unknown. Hence, the aim of this study is to evaluate the applicability of the CSSM framework to pond ash under monotonic triaxial compression testing and its ability to predict behavior patterns in undrained shearing. The specimens were prepared by a newly developed slurry deposition (SD) technique to better simulate the deposition in ash pond. Test results exhibited a unique critical state line from drained and undrained triaxial compression tests. The behavior of pond ash can be correlated with the initial state parameter ψ₀.

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Title:

Monotonic Behavior of Pond Ash under Critical State Soil Mechanics Framework

Contributors:

Zhang, J. (author) / Lo, S. R. (author) / Rahman, M. M. (author) / Yan, J. (author)

Conference:

Geo-Congress 2014 ; 2014 ; Atlanta, Georgia

Published in:

Geo-Congress 2014 Technical Papers ; 352-361

Publication date:

2014-02-24

ISBN:

DOI:

https://doi.org/10.1061/9780784413272.035

Type of media:

Conference paper

Type of material:

Electronic Resource

Language:

English

Keywords:

Innovation , Geotechnical engineering , Sand (soil type) , Numerical models , Ashes , Sustainable development , Soil stabilization , Soil mechanics , Engineering education , Soil properties

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