SDMT testing for the estimation of in situ G decay curves in soft alluvial and organic soils (Contributo in atti di convegno)

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  • SDMT testing for the estimation of in situ G decay curves in soft alluvial and organic soils (Contributo in atti di convegno) (literal)
Anno
  • 2015-01-01T00:00:00+01:00 (literal)
Alternative label
  • Pepe G., Coen G., Napoleoni ., Pagliaroli A., Stigliano F., Mancini M., G. Lanzo G., Silvani S., Scarapazzi M., Storoni Ridolfi S. (2015)
    SDMT testing for the estimation of in situ G decay curves in soft alluvial and organic soils
    in 3rd International Conference on the Flat Dilatometer, Roma, 14-16 Giugno 2015
    (literal)
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  • Pepe G., Coen G., Napoleoni ., Pagliaroli A., Stigliano F., Mancini M., G. Lanzo G., Silvani S., Scarapazzi M., Storoni Ridolfi S. (literal)
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  • accettato per la pubblicazione (literal)
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  • 8 (literal)
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  • CNR-IGAG, E&G srl, DISG Sapienza Universit√† di Roma, Geoplanning Servizi per il Territorio srl, ANAS SpA (literal)
Titolo
  • SDMT testing for the estimation of in situ G decay curves in soft alluvial and organic soils (literal)
Abstract
  • One of the most stimulating research topic of SDMT testing is the possibility to estimate the in situ stiffness decay with strain level (G-? curve). The current practice is to determine the G-? curve by fitting \"reference curves\" based on two points, i.e the initial shear modulus G0 and a working strain modulus GDMT, whose location is not a priori known. This fact poses some uncertainties in the application of the method, especially for organic and soft cohesive soils. In this note, starting from SDTM and cyclic laboratory data collected in organic and soft alluvial clays of Tiber River deposits in Rome, an alternative approach to derive the in situ stiffness decay curve is presented and discussed. (literal)
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