Evaluating geoparameters of Maine sensitive clay by CPTU

P. W. Mayne, P. Paniagua, B. Di Buò, S. S. Agaiby

Tutkimustuotos: KonferenssiartikkeliScientificvertaisarvioitu

4 Lataukset (Pure)

Abstrakti

Using two sets of analytical solutions for CPTU in clays, a suite of theoretically-consistent geoparameters is shown to be in good agreement with independent laboratory and field test results obtained on sensitive Presumpscot clay in Portland, Maine, USA. Fall cone tests indicate a mean sensitivity of St ≈ 37. Values of undrained rigidity index (IR ), undrained shear strength (su ), and yield stress ratio (YSR) are provided by a modified spherical cavity expansion-critical state hybrid model while an effective stress limit plasticity solution is utilized to assess the effective friction angle of the sensitive clay at both peak strength [ϕ' at qmax ] and also at maximum obliquity [ϕ' at (σ1 '/σ3 ')max ]. A CPTU screening method that uses three simplified equations for YSR helps to identify that the clay is sensitive.

AlkuperäiskieliEnglanti
OtsikkoCone Penetration Testing 2022 - Proceedings of the 5th International Symposium on Cone Penetration Testing, CPT 2022
ToimittajatGuido Gottardi, Laura Tonni
KustantajaCRC Press/Balkema
Sivut552-558
Sivumäärä7
ISBN (elektroninen)9781003308829
DOI - pysyväislinkit
TilaJulkaistu - 2022
OKM-julkaisutyyppiA4 Artikkeli konferenssijulkaisussa
TapahtumaInternational Symposium on Cone Penetration Testing - Bologna, Italia
Kesto: 8 kesäk. 202210 kesäk. 2022
Konferenssinumero: 5
https://cpt22.org/

Julkaisusarja

NimiCone Penetration Testing 2022 - Proceedings of the 5th International Symposium on Cone Penetration Testing, CPT 2022

Conference

ConferenceInternational Symposium on Cone Penetration Testing
LyhennettäCPT’22
Maa/AlueItalia
KaupunkiBologna
Ajanjakso8/06/2210/06/22
www-osoite

Julkaisufoorumi-taso

  • Jufo-taso 1

!!ASJC Scopus subject areas

  • Materials Science(all)

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