Conference paper Embargoed Access
Ramos, Catarina;
Viana da Fonseca, António;
Oblak, Ales;
Coop, Matthew
{ "publisher": "Zenodo", "DOI": "10.5281/zenodo.3465700", "title": "Cyclic simple shear and triaxial tests on Lisbon Region liquefiable sands", "issued": { "date-parts": [ [ 2019, 6, 17 ] ] }, "abstract": "<p>The Lower Tagus River Valley area, in Lisbon, Portugal, has been studied for having<br>\na high potential liquefaction risk, due to the geological and geomorphological settings and the<br>\nseismicity associated to the region. This study focuses on the comparison of the cyclic behaviour<br>\nof three sands collected on site, using two distinct laboratory procedures. Tests with different<br>\nvalues of Cyclic Stress Ratio were conducted in both cyclic simple shear and cyclic triaxial testing<br>\napparatus to assess the CRR curves of each material in reconstituted conditions. The comparison<br>\nof the results highlights the main differences caused by distinct cyclic loading stress paths especially<br>\nin view of the results when inversion or rotation of the principal stresses are induced. The<br>\ntests also investigate the influence of the fines content and the cycling frequency in the number<br>\nof cycles required for liquefaction to occur, while discussing the criteria for limit/instability level.</p>", "author": [ { "family": "Ramos, Catarina" }, { "family": "Viana da Fonseca, Ant\u00f3nio" }, { "family": "Oblak, Ales" }, { "family": "Coop, Matthew" } ], "type": "paper-conference", "id": "3465700" }
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