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LIQUEFACTION

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Effects of permeability and compressibility on liquefaction assessment of silty...

Effects of permeability and compressibility on liquefaction assessment of silty soils using cone penetration resistance Several countries in Europe have paid a heavy price in terms of life loss and have suffered a serious damage to property and cultural heritage due to earthquakes in recent past. Failure of high hazards dams, earth structures, slop... ver más

31/12/2013

BilimKoop Scientif...

100K€

Presupuesto del proyecto: 100K€

Líder del proyecto

S.S. BilimKoop Bilimsel Arastirma ve Gelistir... No se ha especificado una descripción o un objeto social para esta compañía.

Fecha límite participación Sin fecha límite de participación.

Financiación concedida El organismo FP7 notifico la concesión del proyecto el día 2013-12-31 No tenemos la información de la convocatoria

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1 Participantes

BilimKoop Scientific Researc...

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Líder del proyecto

S.S. BilimKoop Bilimsel Arastirma ve Gelistir... No se ha especificado una descripción o un objeto social para esta compañía.

Presupuesto del proyecto 100K€

Fecha límite de participación Sin fecha límite de participación.

Descripción del proyecto Several countries in Europe have paid a heavy price in terms of life loss and have suffered a serious damage to property and cultural heritage due to earthquakes in recent past. Failure of high hazards dams, earth structures, slopes and foundations have been attributed to the liquefaction of saturated silty soils. Therefore, numerous studies have been conducted to-date to understand the effects of silt on cyclic resistance of silty sands and its effect on liquefaction screening. However, the literature review points out that, there is no clear agreement on how silt content affects the liquefaction resistance and penetration resistances measured to diagnose it. The proposed project aims to revise the current liquefaction screening methods by taking into account the effects of consolidation characteristics on cone penetration resistance and liquefaction resistance. The data that will be obtained from Seismic Piezocone Penetration Tests (SCPTu) already in the database and possible future earthquake silty soil sites in Turkey will provide a perfect opportunity to further improve our understanding on effects of penetration velocity (v), cone diameter (d) and consolidation characteristics (ch) of silty sands on cone penetration resistance for different intergrain contact densities. Moreover, laboratory experiments will provide a clear perspective on effects of intergrain contact density of soils containing non-plastic fines on liquefaction resistance. As a result, the correlation between the liquefaction resistance, cone penetration resistance and normalized penetration rate T(vd/ch) will be presented and compared with the current CPT-based liquefaction screening methods. It is hoped that the majority of the inconsistencies in the literature will be resolved and engineers will have better understanding on the behavior of silty soils under seismic conditions at the end of this proposed project.

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