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Low pressure grouting with nanosilicate to reduce the liquefaction susceptibility of sand

Salvatore Erminio; Mascolo Maria Cristina; Proia Roberta; Modoni Giuseppe; Grassi Davide


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{
  "publisher": "Zenodo", 
  "DOI": "10.5281/zenodo.3463422", 
  "language": "eng", 
  "title": "Low pressure grouting with nanosilicate to reduce the liquefaction susceptibility of sand", 
  "issued": {
    "date-parts": [
      [
        2019, 
        6, 
        23
      ]
    ]
  }, 
  "abstract": "<p>The severe damages on buildings and infrastructures induced by earthquake<br>\nliquefaction has highlighted the importance of implementing reliable techniques to reduce the<br>\nsusceptibility of loose sandy deposits beneath new or existing buildings. In this direction, the<br>\npresent paper presents the results of an experimental campaign aimed at analyzing the effectiveness<br>\nof low-pressure grouting of sand with nanosilicatesto mitigate the effects of liquefaction.<br>\nSandy specimens, reconstituted at two initial relative densities have been treated with<br>\ngrout prepared with silica content ranging from 1.2% to 5.0% by weight, cured for different<br>\nperiods and have then been subjected to different physical and mechanical tests. The results<br>\nreveal a lower tendency of the treated material to accumulate excess pore pressuresduring<br>\nundrained cyclic loading, proving in this way that the technique can be successfully adopted<br>\nto mitigate the effects of liquefaction of loose sandy deposits.</p>", 
  "author": [
    {
      "family": "Salvatore Erminio"
    }, 
    {
      "family": "Mascolo Maria Cristina"
    }, 
    {
      "family": "Proia Roberta"
    }, 
    {
      "family": "Modoni Giuseppe"
    }, 
    {
      "family": "Grassi Davide"
    }
  ], 
  "type": "paper-conference", 
  "id": "3463422"
}
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