A hypoplastic model for soft clays incorporating strength anisotropy

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11310%2F18%3A10392197" target="_blank" >RIV/00216208:11310/18:10392197 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

A hypoplastic model for soft clays incorporating strength anisotropy

Popis výsledku v původním jazyce

The paper presents a new hypoplastic model for soft clays accounting for their typical fea-ture - strength anisotropy. The model is based on the latest version of the hypoplastic model for clays (Mašín 2014), enhanced by the anisotropic shape of the state boundary surface. It has been shown that by skewing of the ASBS the model predicts different ultimate strength of the material. Additionally, the tensor L is made bi-linear in D to more realistically predict the stress path. The new model has been evaluated by simulating la-boratory experiments on soft marine clays (Corral &amp; Whittle 2010) involved in the Nicoll highway collapse in Singapore, a prominent case of geotechnical failure. Furthermore, other typical soft clays were used for cali-bration, such as Bangkok clay. The significant advantage of the model lies in its easy calibration using only simple undrained triaxial and oedometer tests.

Název v anglickém jazyce

A hypoplastic model for soft clays incorporating strength anisotropy

Popis výsledku anglicky

The paper presents a new hypoplastic model for soft clays accounting for their typical fea-ture - strength anisotropy. The model is based on the latest version of the hypoplastic model for clays (Mašín 2014), enhanced by the anisotropic shape of the state boundary surface. It has been shown that by skewing of the ASBS the model predicts different ultimate strength of the material. Additionally, the tensor L is made bi-linear in D to more realistically predict the stress path. The new model has been evaluated by simulating la-boratory experiments on soft marine clays (Corral &amp; Whittle 2010) involved in the Nicoll highway collapse in Singapore, a prominent case of geotechnical failure. Furthermore, other typical soft clays were used for cali-bration, such as Bangkok clay. The significant advantage of the model lies in its easy calibration using only simple undrained triaxial and oedometer tests.

Druh

D - Stať ve sborníku

CEP obor

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OECD FORD obor

10505 - Geology

Projekt

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Návaznosti

S - Specificky vyzkum na vysokych skolach<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2018

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

Numerical Methods in Geotechnical Engineering IX

ISBN

978-1-138-54446-8

ISSN

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e-ISSN

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Počet stran výsledku

7

Strana od-do

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Název nakladatele

CRC press

Místo vydání

Porto

Místo konání akce

Porto

Datum konání akce

25. 6. 2018

Typ akce podle státní příslušnosti

EUR - Evropská akce

Kód UT WoS článku

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