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A liquefaction surface to describe liquefaction phenomena in unsaturated sandy soils

Mele, Lucia; Lirer, Stefania; Flora, Alessandro


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{
  "inLanguage": {
    "alternateName": "eng", 
    "@type": "Language", 
    "name": "English"
  }, 
  "description": "<p>The energetic interpretation of liquefaction tests indicates that the behavior of unsaturated<br>\nsands can be related to the specific energy spent to liquefaction In this paper, an insight<br>\nis proposed on the role played by the two components of such a specific energy: the specific<br>\nvolumetric energy to liquefaction (Ev,liq) and the specific deviatoric energy to liquefaction (Es,liq).<br>\nIt is argued that Ev,liq (which is nil in saturated soils) can be considered as a state variable to<br>\nquantify the increase of cyclic resistance caused by a reduced degree of saturation, being thus<br>\nconstant along a given cyclic resistance curve. Es,liq is instead related to a specific value of cyclic<br>\nresistance ratio or number of cycles at liquefaction via the value of the volumetric component. In<br>\nfact, for saturated tests (Ev,liq=0) Es,liq is constant for a fixed number of cycles at liquefaction (Nliq).<br>\nFor unsaturated tests, Es,liq increases as Ev,liq increases for a given value of Nliq. The three variables<br>\n(Ev,liq, Es,liq and Nliq) define a &ldquo;liquefaction surface&rdquo; describing the resistance to liquefaction of<br>\nunsaturated soils.</p>", 
  "license": "http://creativecommons.org/licenses/by/1.0/legalcode", 
  "creator": [
    {
      "affiliation": "University of Napoli Federico II", 
      "@type": "Person", 
      "name": "Mele, Lucia"
    }, 
    {
      "affiliation": "Guglielmo Marconi University, Rome", 
      "@type": "Person", 
      "name": "Lirer, Stefania"
    }, 
    {
      "affiliation": "University of Napoli Federico II", 
      "@type": "Person", 
      "name": "Flora, Alessandro"
    }
  ], 
  "headline": "A liquefaction surface to describe liquefaction phenomena in unsaturated sandy soils", 
  "image": "https://zenodo.org/static/img/logos/zenodo-gradient-round.svg", 
  "datePublished": "2019-07-19", 
  "url": "https://zenodo.org/record/3463558", 
  "@context": "https://schema.org/", 
  "identifier": "https://doi.org/10.5281/zenodo.3463558", 
  "@id": "https://doi.org/10.5281/zenodo.3463558", 
  "@type": "ScholarlyArticle", 
  "name": "A liquefaction surface to describe liquefaction phenomena in unsaturated sandy soils"
}
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