NAVRACHANA UNIVERSITY

Dynamic behavior and characteristic failure response of low plasticity cohesive soil

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dc.contributor.author Thakur, Adarsh Singh
dc.contributor.author Pandya, Saloni
dc.contributor.author Sachan, Ajanta
dc.date.accessioned 2021-12-14T10:09:28Z
dc.date.available 2021-12-14T10:09:28Z
dc.date.issued 2020-08
dc.identifier.issn 1735-0522
dc.identifier.issn 2383-3874
dc.identifier.uri http://27.109.7.66:8080/xmlui/handle/123456789/747
dc.description International Journal of Civil Engineering volume, 167–185 (2021) en_US
dc.description.abstract The present study evaluates the effect of stress history and loading conditions on dynamic behavior and failure characteristics of low plasticity cohesive soil. A series of two-way strain controlled cyclic triaxial tests were performed on soil samples collected from seismically active region of Gujarat (India). The effect of stress history and loading conditions on low plasticity soil was evaluated for OCR values of 1–4 and cyclic axial strain amplitude (εaεa) variation of 0.5%, 1%, 1.5%, and 2%, respectively. The low plasticity soil was observed to undergo liquefaction even at lower amplitude and higher OCR. Liquefaction resistance of soil was observed to increase with the increasing OCR (1–4) and decrease with the increment in cyclic strain amplitude (0.5%—2.0%). The rate of stiffness degradation exhibited bilinear response when pore pressure ratio (ru) was observed to be 0.85. This indicated the generation of cyclic instability prior to flow liquefaction in low plasticity cohesive soil. Two-staged failure response was observed due to the subsequent transition from cyclic instability behavior to flow liquefaction. The low plasticity cohesive soil was found to experience first ‘clay-like behaviour’ due to commencement of cyclic instability and then ‘sand-like behaviour’ due to initiation of flow liquefaction. The low plasticity cohesive soil was observed to experience cyclic instability between 0.85 < ru < 0.95, and then, flow liquefaction at ru > 0.95. en_US
dc.language.iso en en_US
dc.publisher Springer en_US
dc.subject Plasticity Index en_US
dc.subject Grain size distribution en_US
dc.subject Liquid limit en_US
dc.subject ymmetrical hysteresis loop en_US
dc.subject Silt en_US
dc.title Dynamic behavior and characteristic failure response of low plasticity cohesive soil en_US
dc.type Article en_US


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