Reliability-based analysis of embankment on soft Bangkok clay
Identifieur interne : 002C62 ( Main/Exploration ); précédent : 002C61; suivant : 002C63Reliability-based analysis of embankment on soft Bangkok clay
Auteurs : Dennes T. Bergado [Thaïlande] ; Buenaventura C. Patron Jr. [Taïwan] ; Wisit Youyongwatana [Thaïlande] ; Jin-Chun Chai [Japon] ; Yudhbir [Thaïlande]Source :
- Structural Safety [ 0167-4730 ] ; 1994.
Abstract
Six slope failures occurred at random locations along a 10 km embankment adjacent to an irrigation canal. The slope failures occurred when the embankment was raised to 2.05 m above MSL from an average elevation of 1.7 m above MSL coinciding with the lowering of the canal water level at the end of the dry season. Slope stability analysis was carried out using both conventional and reliability-based procedures. The spatial variability of undrained strength, the actual variation in embankment geometry, and the varying water level in the canal were considered in the analysis. Both idealized and empirical autocorrelation functions (ACF) of the undrained shear strengths were used in the analyses. An analysis using a factor of safety based on the deterministic soil profile defined by the mean undrained strength resulted in a prediction favoring a reverse failure pattern along the embankment. Using the probability of failure which incorporates spatial variation of undrained strength and uncertainties associated with stability prediction yielded a result conforming to the actual failure pattern along the embankment. The use of empirical autocorrelation function (ACF) seems to confirm and explain better the occurrence of the failure zones than utilizing the idealized ACF.
Url:
DOI: 10.1016/0167-4730(94)90032-9
Affiliations:
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Patron Jr.</name></author><author><name sortKey="Youyongwatana, Wisit" sort="Youyongwatana, Wisit" uniqKey="Youyongwatana W" first="Wisit" last="Youyongwatana">Wisit Youyongwatana</name></author><author><name sortKey="Chai, Jin Chun" sort="Chai, Jin Chun" uniqKey="Chai J" first="Jin-Chun" last="Chai">Jin-Chun Chai</name></author><author><name sortKey="Yudhbir" sort="Yudhbir" uniqKey="Yudhbir" last="Yudhbir">Yudhbir</name></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:E5791E989AE99B56DBF145FA5491E0A22D6287CD</idno><date when="1994" year="1994">1994</date><idno type="doi">10.1016/0167-4730(94)90032-9</idno><idno type="url">https://api.istex.fr/document/E5791E989AE99B56DBF145FA5491E0A22D6287CD/fulltext/pdf</idno><idno type="wicri:Area/Istex/Corpus">002181</idno><idno type="wicri:Area/Istex/Curation">002032</idno><idno type="wicri:Area/Istex/Checkpoint">001F57</idno><idno type="wicri:doubleKey">0167-4730:1994:Bergado D:reliability:based:analysis</idno><idno type="wicri:Area/Main/Merge">002E29</idno><idno type="wicri:Area/Main/Curation">002C62</idno><idno type="wicri:Area/Main/Exploration">002C62</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a">Reliability-based analysis of embankment on soft Bangkok clay</title><author><name sortKey="Bergado, Dennes T" sort="Bergado, Dennes T" uniqKey="Bergado D" first="Dennes T." last="Bergado">Dennes T. 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Patron Jr.</name><affiliation wicri:level="1"><country xml:lang="fr">Taïwan</country><wicri:regionArea>Moh and Associates, Inc., 131 Nanking East Road, Section 3, Taipei</wicri:regionArea><wicri:noRegion>Taipei</wicri:noRegion></affiliation></author><author><name sortKey="Youyongwatana, Wisit" sort="Youyongwatana, Wisit" uniqKey="Youyongwatana W" first="Wisit" last="Youyongwatana">Wisit Youyongwatana</name><affiliation wicri:level="1"><country xml:lang="fr">Thaïlande</country><wicri:regionArea>Asian Engineering Consultants, 90 North Sathorn Road, Bangkok 10500</wicri:regionArea><wicri:noRegion>Bangkok 10500</wicri:noRegion></affiliation></author><author><name sortKey="Chai, Jin Chun" sort="Chai, Jin Chun" uniqKey="Chai J" first="Jin-Chun" last="Chai">Jin-Chun Chai</name><affiliation wicri:level="1"><country xml:lang="fr">Japon</country><wicri:regionArea>Kiso-Jiban Consultants Co. 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Box 2754, Bangkok 10501</wicri:regionArea><wicri:noRegion>Bangkok 10501</wicri:noRegion></affiliation></author></analytic><monogr></monogr><series><title level="j">Structural Safety</title><title level="j" type="abbrev">STRUCS</title><idno type="ISSN">0167-4730</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="1994">1994</date><biblScope unit="volume">13</biblScope><biblScope unit="issue">4</biblScope><biblScope unit="page" from="247">247</biblScope><biblScope unit="page" to="266">266</biblScope></imprint><idno type="ISSN">0167-4730</idno></series><idno type="istex">E5791E989AE99B56DBF145FA5491E0A22D6287CD</idno><idno type="DOI">10.1016/0167-4730(94)90032-9</idno><idno type="PII">0167-4730(94)90032-9</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0167-4730</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Six slope failures occurred at random locations along a 10 km embankment adjacent to an irrigation canal. The slope failures occurred when the embankment was raised to 2.05 m above MSL from an average elevation of 1.7 m above MSL coinciding with the lowering of the canal water level at the end of the dry season. Slope stability analysis was carried out using both conventional and reliability-based procedures. The spatial variability of undrained strength, the actual variation in embankment geometry, and the varying water level in the canal were considered in the analysis. Both idealized and empirical autocorrelation functions (ACF) of the undrained shear strengths were used in the analyses. An analysis using a factor of safety based on the deterministic soil profile defined by the mean undrained strength resulted in a prediction favoring a reverse failure pattern along the embankment. Using the probability of failure which incorporates spatial variation of undrained strength and uncertainties associated with stability prediction yielded a result conforming to the actual failure pattern along the embankment. The use of empirical autocorrelation function (ACF) seems to confirm and explain better the occurrence of the failure zones than utilizing the idealized ACF.</div></front></TEI><affiliations><list><country><li>Japon</li><li>Taïwan</li><li>Thaïlande</li></country><settlement><li>Tokyo</li></settlement></list><tree><country name="Thaïlande"><noRegion><name sortKey="Bergado, Dennes T" sort="Bergado, Dennes T" uniqKey="Bergado D" first="Dennes T." last="Bergado">Dennes T. Bergado</name></noRegion><name sortKey="Youyongwatana, Wisit" sort="Youyongwatana, Wisit" uniqKey="Youyongwatana W" first="Wisit" last="Youyongwatana">Wisit Youyongwatana</name><name sortKey="Yudhbir" sort="Yudhbir" uniqKey="Yudhbir" last="Yudhbir">Yudhbir</name></country><country name="Taïwan"><noRegion><name sortKey="Patron Jr, Buenaventura C" sort="Patron Jr, Buenaventura C" uniqKey="Patron Jr B" first="Buenaventura C." last="Patron Jr.">Buenaventura C. Patron Jr.</name></noRegion></country><country name="Japon"><noRegion><name sortKey="Chai, Jin Chun" sort="Chai, Jin Chun" uniqKey="Chai J" first="Jin-Chun" last="Chai">Jin-Chun Chai</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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