Effective Stress Based Large Strain Modulus Degradation Response of Fully Saturated Clean Sands

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2015-9-11

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Bilge, Habib Tolga
Çetin, Kemal Önder

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Current state of practice to assess ground response under seismic loading is mostly based on well-known and widely-used total stress-based equivalent linear assessment methodology, as part of which, mostly, strain compatible shear modulus and damping relationships need to be used. As implied by its name, "total stress", accumulation of excess pore water pressure which is a significant component of cyclic response, is not considered. Neglection of this component will produce unconservatively biased deformation and intensity estimations for soil sites at which cyclic-induced strains exceed small to medium strain range. Inspired from this gap, aim of this study is defined as development of probabilistic-based models for assessment of large strain modulus degradation response of fully saturated clean sands. For this purpose, an intensive literature survey was performed, and available resonant column, simple shear and cyclic triaxial test results were compiled. This data was assessed by probabilistic methods to develop a framework which takes into account not only the cyclic shear strain amplitudes but also the generation of excess pore water pressure.

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https://hdl.handle.net/11511/71638

Conference Name

European Young Geotechnical Engineers Conference

Collections

Department of Civil Engineering, Conference / Seminar

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Citation Formats

H. T. Bilge and K. Ö. Çetin, “Effective Stress Based Large Strain Modulus Degradation Response of Fully Saturated Clean Sands,” presented at the European Young Geotechnical Engineers Conference, Durham, UK, 2015, Accessed: 00, 2021. [Online]. Available: https://hdl.handle.net/11511/71638.