At-Rest Earth Pressure of Overconsolidated Cohesionless Soil
Identifieur interne : 000D27 ( Main/Exploration ); précédent : 000D26; suivant : 000D28At-Rest Earth Pressure of Overconsolidated Cohesionless Soil
Auteurs : Adel Hanna [Canada] ; Riad Al-Romhein [Canada]Source :
- Journal of geotechnical and geoenvironmental engineering [ 1090-0241 ] ; 2008.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
Earth pressure theories occupy a paramount position in the field of geotechnical engineering. An experimental investigation of the at-rest earth pressure of overconsolidated cohesionless soil acting on retaining walls was conducted. A prototype model of a vertical rough wall, retaining horizontal backfill, was developed in the laboratory. The model was instrumented to measure the earth pressure at selected points on the wall, the total earth force acting on the wall, and the overconsolidation ratio (OCR) in the sand mass. Tests were conducted on walls retaining homogeneous overconsolidated dense, medium, or loose sands. Test results showed that the coefficient of at-rest earth pressure increases with the increase of the OCR. The present experimental results were used to examine the empirical formulas available in the literature. It can be reported that these formulas compared well with the experimental results for OCR values up to 3. An empirical formula is proposed to predict the coefficient of at-rest earth pressure for overconsolidated cohesionless soils. The results obtained by this formula agreed well with the present experimental results for all values of overconsolidation ratios.
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">At-Rest Earth Pressure of Overconsolidated Cohesionless Soil</title><author><name sortKey="Hanna, Adel" sort="Hanna, Adel" uniqKey="Hanna A" first="Adel" last="Hanna">Adel Hanna</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Dept. of Building, Civil, and Environment Engineering, Concordia Univ., 1455 DeMaisonneuve Blvd. W</s1><s2>Montreal PQ, H3G 1M8</s2><s3>CAN</s3><sZ>1 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Montreal PQ, H3G 1M8</wicri:noRegion></affiliation></author><author><name sortKey="Al Romhein, Riad" sort="Al Romhein, Riad" uniqKey="Al Romhein R" first="Riad" last="Al-Romhein">Riad Al-Romhein</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Dept. of Building, Civil, and Environmental Engineering, Concordia Univ., 1455 DeMaisonneuve Blvd. W</s1><s2>Montreal PQ, H3G 1M8</s2><s3>CAN</s3><sZ>2 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Montreal PQ, H3G 1M8</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">08-0376898</idno><date when="2008">2008</date><idno type="stanalyst">PASCAL 08-0376898 INIST</idno><idno type="RBID">Pascal:08-0376898</idno><idno type="wicri:Area/PascalFrancis/Corpus">000272</idno><idno type="wicri:Area/PascalFrancis/Curation">000512</idno><idno type="wicri:Area/PascalFrancis/Checkpoint">000249</idno><idno type="wicri:doubleKey">1090-0241:2008:Hanna A:at:rest:earth</idno><idno type="wicri:Area/Main/Merge">000D39</idno><idno type="wicri:Area/Main/Curation">000D27</idno><idno type="wicri:Area/Main/Exploration">000D27</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">At-Rest Earth Pressure of Overconsolidated Cohesionless Soil</title><author><name sortKey="Hanna, Adel" sort="Hanna, Adel" uniqKey="Hanna A" first="Adel" last="Hanna">Adel Hanna</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Dept. of Building, Civil, and Environment Engineering, Concordia Univ., 1455 DeMaisonneuve Blvd. W</s1><s2>Montreal PQ, H3G 1M8</s2><s3>CAN</s3><sZ>1 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Montreal PQ, H3G 1M8</wicri:noRegion></affiliation></author><author><name sortKey="Al Romhein, Riad" sort="Al Romhein, Riad" uniqKey="Al Romhein R" first="Riad" last="Al-Romhein">Riad Al-Romhein</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Dept. of Building, Civil, and Environmental Engineering, Concordia Univ., 1455 DeMaisonneuve Blvd. W</s1><s2>Montreal PQ, H3G 1M8</s2><s3>CAN</s3><sZ>2 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Montreal PQ, H3G 1M8</wicri:noRegion></affiliation></author></analytic><series><title level="j" type="main">Journal of geotechnical and geoenvironmental engineering</title><title level="j" type="abbreviated">J. geotech. geoenviron. eng.</title><idno type="ISSN">1090-0241</idno><imprint><date when="2008">2008</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Journal of geotechnical and geoenvironmental engineering</title><title level="j" type="abbreviated">J. geotech. geoenviron. eng.</title><idno type="ISSN">1090-0241</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Earth pressure</term><term>Experimental device</term><term>Experimental study</term><term>Geotechnics</term><term>Granular soil</term><term>Overconsolidated soil</term><term>Soil test</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Essai sol</term><term>Sol surconsolidé</term><term>Sol non cohérent</term><term>Poussée terre</term><term>Géotechnique</term><term>Etude expérimentale</term><term>Dispositif expérimental</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Earth pressure theories occupy a paramount position in the field of geotechnical engineering. An experimental investigation of the at-rest earth pressure of overconsolidated cohesionless soil acting on retaining walls was conducted. A prototype model of a vertical rough wall, retaining horizontal backfill, was developed in the laboratory. The model was instrumented to measure the earth pressure at selected points on the wall, the total earth force acting on the wall, and the overconsolidation ratio (OCR) in the sand mass. Tests were conducted on walls retaining homogeneous overconsolidated dense, medium, or loose sands. Test results showed that the coefficient of at-rest earth pressure increases with the increase of the OCR. The present experimental results were used to examine the empirical formulas available in the literature. It can be reported that these formulas compared well with the experimental results for OCR values up to 3. An empirical formula is proposed to predict the coefficient of at-rest earth pressure for overconsolidated cohesionless soils. The results obtained by this formula agreed well with the present experimental results for all values of overconsolidation ratios.</div></front></TEI><affiliations><list><country><li>Canada</li></country></list><tree><country name="Canada"><noRegion><name sortKey="Hanna, Adel" sort="Hanna, Adel" uniqKey="Hanna A" first="Adel" last="Hanna">Adel Hanna</name></noRegion><name sortKey="Al Romhein, Riad" sort="Al Romhein, Riad" uniqKey="Al Romhein R" first="Riad" last="Al-Romhein">Riad Al-Romhein</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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