Compression Behaviour of Chlef Sand and Transition of Fines Content Using Pressure-Dependent Maximum Void Ratios of Sand

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11310%2F22%3A10433370" target="_blank" >RIV/00216208:11310/22:10433370 - isvavai.cz</a>

Výsledek na webu

<a href="https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=521sJzwqrH" target="_blank" >https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=521sJzwqrH</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1007/s10706-021-01985-8" target="_blank" >10.1007/s10706-021-01985-8</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Compression Behaviour of Chlef Sand and Transition of Fines Content Using Pressure-Dependent Maximum Void Ratios of Sand

Popis výsledku v původním jazyce

This paper presents a study on Chlef sand to examine the effect of fines content {F(c)}, relative density (RD) and initial conditions on the compressibility behavior. The interpretation of the results is based on the concept of the intergranular voids ratio {e(s)} and two hypoplastic parameters model Hs and n for calculation of the maximum voids ratio. The cedometric tests results made in the laboratory show that the fines content transition {F(ct)} of Chlef sand is in good agreement with the results published in the literature. The results obtained indicate that the higher value of fines fraction {F(c)} in the sand cause an increase in the compressibility coefficient {C(c)} and the granular compressibility coefficient {C(c-s)}. Moreover increasing the density from 65 to 80% decreased both coefficients ({C(c)} and {C(c-s)}. The samples prepared with the moist tamping method (w = 3%) have compressibility coefficients greater than samples prepared by the dry pluviation method (w = 0%). We have shown that the fines content transition {F(ct)} depends on the initial state of the samples (relative density, preparation method and maximum void ratio). Finally the granulometric characteristics {D(10), D(50) and C(u)} have a significant effect on compression behavior. Nevertheless a good exponential correlation has been found between the compressibility coefficient {C(c)}, the granular compressibility coefficient {C(c-s)} and the effective diameter {D(10)}, the average diameter {D(50)} and the uniformity coefficient {C(u)}.

Název v anglickém jazyce

Compression Behaviour of Chlef Sand and Transition of Fines Content Using Pressure-Dependent Maximum Void Ratios of Sand

Popis výsledku anglicky

This paper presents a study on Chlef sand to examine the effect of fines content {F(c)}, relative density (RD) and initial conditions on the compressibility behavior. The interpretation of the results is based on the concept of the intergranular voids ratio {e(s)} and two hypoplastic parameters model Hs and n for calculation of the maximum voids ratio. The cedometric tests results made in the laboratory show that the fines content transition {F(ct)} of Chlef sand is in good agreement with the results published in the literature. The results obtained indicate that the higher value of fines fraction {F(c)} in the sand cause an increase in the compressibility coefficient {C(c)} and the granular compressibility coefficient {C(c-s)}. Moreover increasing the density from 65 to 80% decreased both coefficients ({C(c)} and {C(c-s)}. The samples prepared with the moist tamping method (w = 3%) have compressibility coefficients greater than samples prepared by the dry pluviation method (w = 0%). We have shown that the fines content transition {F(ct)} depends on the initial state of the samples (relative density, preparation method and maximum void ratio). Finally the granulometric characteristics {D(10), D(50) and C(u)} have a significant effect on compression behavior. Nevertheless a good exponential correlation has been found between the compressibility coefficient {C(c)}, the granular compressibility coefficient {C(c-s)} and the effective diameter {D(10)}, the average diameter {D(50)} and the uniformity coefficient {C(u)}.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10505 - Geology

Projekt

<a href="/cs/project/LTACH19028" target="_blank" >LTACH19028: Mechanismus porušení a snížení jeho rizika u základů větrných elektráren zatížených extrémními klimatickými podmínkami</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2022

Kód důvěrnosti údajů

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

Název periodika

Geotechnical and Geological Engineering

ISSN

0960-3182

e-ISSN

1573-1529

Svazek periodika

40

Číslo periodika v rámci svazku

4

Stát vydavatele periodika

NL - Nizozemsko

Počet stran výsledku

18

Strana od-do

1675-1692

Kód UT WoS článku

000696774500002

EID výsledku v databázi Scopus

2-s2.0-85115103966