THE BEHAVIOUR OF FROZEN SCORIA IN UNCONFINED COMPRESSION TEST

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dc.contributor.authorAgustian, Yanyan
dc.date.accessioned2023-03-08T08:47:15Z
dc.date.available2023-03-08T08:47:15Z
dc.date.issued2019
dc.description.abstractThe mechanical behaviour of the frozen or partially frozen soil changes significantly as soon as the ice holds the soil particles together. The strength of frozen soil can increase significantly. However, due to the temperature dependency and viscose nature of ice, the strength of frozen soils changes with time, strain rate and temperature. Water migration towards the ice lenses occurs during the freezing process depending on the characteristics of the soil, i.e. grain size and mineralogy, resulting in a significant change of the soil structure. Frost heaving may be the result, induced by the expansion of the water as it changes phase from frozen state. The aim of this study is to determine the unconfined compressive strength to calculate the unconsolidated shear strength of the frozen scoria under unconfined conditions. In unconfined compression tests, the influence of dry density ρd and water content w to the unconfined compression behaviour of frozen scoria was observed. The compressive strength of frozen scoria increases with the increase of w as well as the increase of ρd and the compressive strain of frozen scoria εf (axial strain at failure) is dependent on ρd.. Although some data scatters appear caused by the inhomogeneous of the samples, the effects of w and ρd to the stiffness of frozen scoria were observed. As well as initial Young’s modulus E0, secant modulus E50 of frozen scoria increases with the increasing of w and ρd.en_US
dc.identifier.urihttp://repository.widyatama.ac.id/xmlui/handle/123456789/15761
dc.publisherHorizon Research Publishingen_US
dc.subjectScoriaen_US
dc.subjectYukishiroen_US
dc.subjectStress-strainen_US
dc.subjectDeformation Characteristicsen_US
dc.subjectFrozenen_US
dc.titleTHE BEHAVIOUR OF FROZEN SCORIA IN UNCONFINED COMPRESSION TESTen_US
dc.typeArticleen_US
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International Journal of Civil Engineering