Centrifuge Study of a Retrogressive Seepage-Triggered Landslide in Silty Sand Slopes
Abstract A landslide can consist of multiple failures advancing upslope retrogressively. This paper investigates the mechanism of a seepage-induced retrogressive landslide in a silty sand slope and assesses the accuracy of the limit equilibrium analysis in predicting the stability and sequential fai...
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Gespeichert in:
| Autor*in: |
Rajabian, Ahmad [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2022 |
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| Schlagwörter: |
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| Anmerkung: |
© The Author(s), under exclusive licence to Indian Geotechnical Society 2022 |
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| Übergeordnetes Werk: |
Enthalten in: Indian geotechnical journal - New York, NY : Springer, 2012, 52(2022), 6 vom: 28. Juni, Seite 1313-1324 |
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| Übergeordnetes Werk: |
volume:52 ; year:2022 ; number:6 ; day:28 ; month:06 ; pages:1313-1324 |
| Links: |
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| DOI / URN: |
10.1007/s40098-022-00633-z |
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| Katalog-ID: |
SPR048503177 |
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| 100 | 1 | |a Rajabian, Ahmad |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Centrifuge Study of a Retrogressive Seepage-Triggered Landslide in Silty Sand Slopes |
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| 520 | |a Abstract A landslide can consist of multiple failures advancing upslope retrogressively. This paper investigates the mechanism of a seepage-induced retrogressive landslide in a silty sand slope and assesses the accuracy of the limit equilibrium analysis in predicting the stability and sequential failure surfaces at retrogressive failures. A centrifuge model test was performed on a 12-m-high silty sand slope with an inclination of 45° at 50 g using a 4.5 m radius large beam centrifuge facility available at IIT Bombay. Seepage was generated using an in-flight simulator, and the behavior of the model slope was monitored. Three retrogressive slides were observed in the slope model when the seepage flow was established. The results indicated that the time interval between initial and second failure episodes is more prolonged than between second and last failure episodes. The length of sliding surfaces decreases when the landslide retrogresses, although their depth remains roughly unchanged. In addition, the slope with an inclination of 63.4° (2 V:1H) had significantly higher values in normalized depth, depth of displaced mass, and retrogression distance than those for 45° slope inclination. The limit equilibrium approach can estimate the stability at pre-failure stages, provided that pertinent geometry and loading conditions are satisfactorily incorporated. | ||
| 650 | 4 | |a Retrogressive landslide |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Seepage |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Centrifuge modeling |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Limit equilibrium |7 (dpeaa)DE-He213 | |
| 700 | 1 | |a Viswanadham, B. V. S. |0 (orcid)0000-0002-3264-8616 |4 aut | |
| 773 | 0 | 8 | |i Enthalten in |t Indian geotechnical journal |d New York, NY : Springer, 2012 |g 52(2022), 6 vom: 28. Juni, Seite 1313-1324 |w (DE-627)739212354 |w (DE-600)2707502-3 |x 2277-3347 |7 nnns |
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10.1007/s40098-022-00633-z doi (DE-627)SPR048503177 (SPR)s40098-022-00633-z-e DE-627 ger DE-627 rakwb eng Rajabian, Ahmad verfasserin aut Centrifuge Study of a Retrogressive Seepage-Triggered Landslide in Silty Sand Slopes 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Indian Geotechnical Society 2022 Abstract A landslide can consist of multiple failures advancing upslope retrogressively. This paper investigates the mechanism of a seepage-induced retrogressive landslide in a silty sand slope and assesses the accuracy of the limit equilibrium analysis in predicting the stability and sequential failure surfaces at retrogressive failures. A centrifuge model test was performed on a 12-m-high silty sand slope with an inclination of 45° at 50 g using a 4.5 m radius large beam centrifuge facility available at IIT Bombay. Seepage was generated using an in-flight simulator, and the behavior of the model slope was monitored. Three retrogressive slides were observed in the slope model when the seepage flow was established. The results indicated that the time interval between initial and second failure episodes is more prolonged than between second and last failure episodes. The length of sliding surfaces decreases when the landslide retrogresses, although their depth remains roughly unchanged. In addition, the slope with an inclination of 63.4° (2 V:1H) had significantly higher values in normalized depth, depth of displaced mass, and retrogression distance than those for 45° slope inclination. The limit equilibrium approach can estimate the stability at pre-failure stages, provided that pertinent geometry and loading conditions are satisfactorily incorporated. Retrogressive landslide (dpeaa)DE-He213 Seepage (dpeaa)DE-He213 Centrifuge modeling (dpeaa)DE-He213 Limit equilibrium (dpeaa)DE-He213 Viswanadham, B. V. S. (orcid)0000-0002-3264-8616 aut Enthalten in Indian geotechnical journal New York, NY : Springer, 2012 52(2022), 6 vom: 28. Juni, Seite 1313-1324 (DE-627)739212354 (DE-600)2707502-3 2277-3347 nnns volume:52 year:2022 number:6 day:28 month:06 pages:1313-1324 https://dx.doi.org/10.1007/s40098-022-00633-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 52 2022 6 28 06 1313-1324 |
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10.1007/s40098-022-00633-z doi (DE-627)SPR048503177 (SPR)s40098-022-00633-z-e DE-627 ger DE-627 rakwb eng Rajabian, Ahmad verfasserin aut Centrifuge Study of a Retrogressive Seepage-Triggered Landslide in Silty Sand Slopes 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Indian Geotechnical Society 2022 Abstract A landslide can consist of multiple failures advancing upslope retrogressively. This paper investigates the mechanism of a seepage-induced retrogressive landslide in a silty sand slope and assesses the accuracy of the limit equilibrium analysis in predicting the stability and sequential failure surfaces at retrogressive failures. A centrifuge model test was performed on a 12-m-high silty sand slope with an inclination of 45° at 50 g using a 4.5 m radius large beam centrifuge facility available at IIT Bombay. Seepage was generated using an in-flight simulator, and the behavior of the model slope was monitored. Three retrogressive slides were observed in the slope model when the seepage flow was established. The results indicated that the time interval between initial and second failure episodes is more prolonged than between second and last failure episodes. The length of sliding surfaces decreases when the landslide retrogresses, although their depth remains roughly unchanged. In addition, the slope with an inclination of 63.4° (2 V:1H) had significantly higher values in normalized depth, depth of displaced mass, and retrogression distance than those for 45° slope inclination. The limit equilibrium approach can estimate the stability at pre-failure stages, provided that pertinent geometry and loading conditions are satisfactorily incorporated. Retrogressive landslide (dpeaa)DE-He213 Seepage (dpeaa)DE-He213 Centrifuge modeling (dpeaa)DE-He213 Limit equilibrium (dpeaa)DE-He213 Viswanadham, B. V. S. (orcid)0000-0002-3264-8616 aut Enthalten in Indian geotechnical journal New York, NY : Springer, 2012 52(2022), 6 vom: 28. Juni, Seite 1313-1324 (DE-627)739212354 (DE-600)2707502-3 2277-3347 nnns volume:52 year:2022 number:6 day:28 month:06 pages:1313-1324 https://dx.doi.org/10.1007/s40098-022-00633-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 52 2022 6 28 06 1313-1324 |
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10.1007/s40098-022-00633-z doi (DE-627)SPR048503177 (SPR)s40098-022-00633-z-e DE-627 ger DE-627 rakwb eng Rajabian, Ahmad verfasserin aut Centrifuge Study of a Retrogressive Seepage-Triggered Landslide in Silty Sand Slopes 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Indian Geotechnical Society 2022 Abstract A landslide can consist of multiple failures advancing upslope retrogressively. This paper investigates the mechanism of a seepage-induced retrogressive landslide in a silty sand slope and assesses the accuracy of the limit equilibrium analysis in predicting the stability and sequential failure surfaces at retrogressive failures. A centrifuge model test was performed on a 12-m-high silty sand slope with an inclination of 45° at 50 g using a 4.5 m radius large beam centrifuge facility available at IIT Bombay. Seepage was generated using an in-flight simulator, and the behavior of the model slope was monitored. Three retrogressive slides were observed in the slope model when the seepage flow was established. The results indicated that the time interval between initial and second failure episodes is more prolonged than between second and last failure episodes. The length of sliding surfaces decreases when the landslide retrogresses, although their depth remains roughly unchanged. In addition, the slope with an inclination of 63.4° (2 V:1H) had significantly higher values in normalized depth, depth of displaced mass, and retrogression distance than those for 45° slope inclination. The limit equilibrium approach can estimate the stability at pre-failure stages, provided that pertinent geometry and loading conditions are satisfactorily incorporated. Retrogressive landslide (dpeaa)DE-He213 Seepage (dpeaa)DE-He213 Centrifuge modeling (dpeaa)DE-He213 Limit equilibrium (dpeaa)DE-He213 Viswanadham, B. V. S. (orcid)0000-0002-3264-8616 aut Enthalten in Indian geotechnical journal New York, NY : Springer, 2012 52(2022), 6 vom: 28. Juni, Seite 1313-1324 (DE-627)739212354 (DE-600)2707502-3 2277-3347 nnns volume:52 year:2022 number:6 day:28 month:06 pages:1313-1324 https://dx.doi.org/10.1007/s40098-022-00633-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 52 2022 6 28 06 1313-1324 |
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10.1007/s40098-022-00633-z doi (DE-627)SPR048503177 (SPR)s40098-022-00633-z-e DE-627 ger DE-627 rakwb eng Rajabian, Ahmad verfasserin aut Centrifuge Study of a Retrogressive Seepage-Triggered Landslide in Silty Sand Slopes 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Indian Geotechnical Society 2022 Abstract A landslide can consist of multiple failures advancing upslope retrogressively. This paper investigates the mechanism of a seepage-induced retrogressive landslide in a silty sand slope and assesses the accuracy of the limit equilibrium analysis in predicting the stability and sequential failure surfaces at retrogressive failures. A centrifuge model test was performed on a 12-m-high silty sand slope with an inclination of 45° at 50 g using a 4.5 m radius large beam centrifuge facility available at IIT Bombay. Seepage was generated using an in-flight simulator, and the behavior of the model slope was monitored. Three retrogressive slides were observed in the slope model when the seepage flow was established. The results indicated that the time interval between initial and second failure episodes is more prolonged than between second and last failure episodes. The length of sliding surfaces decreases when the landslide retrogresses, although their depth remains roughly unchanged. In addition, the slope with an inclination of 63.4° (2 V:1H) had significantly higher values in normalized depth, depth of displaced mass, and retrogression distance than those for 45° slope inclination. The limit equilibrium approach can estimate the stability at pre-failure stages, provided that pertinent geometry and loading conditions are satisfactorily incorporated. Retrogressive landslide (dpeaa)DE-He213 Seepage (dpeaa)DE-He213 Centrifuge modeling (dpeaa)DE-He213 Limit equilibrium (dpeaa)DE-He213 Viswanadham, B. V. S. (orcid)0000-0002-3264-8616 aut Enthalten in Indian geotechnical journal New York, NY : Springer, 2012 52(2022), 6 vom: 28. Juni, Seite 1313-1324 (DE-627)739212354 (DE-600)2707502-3 2277-3347 nnns volume:52 year:2022 number:6 day:28 month:06 pages:1313-1324 https://dx.doi.org/10.1007/s40098-022-00633-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 52 2022 6 28 06 1313-1324 |
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10.1007/s40098-022-00633-z doi (DE-627)SPR048503177 (SPR)s40098-022-00633-z-e DE-627 ger DE-627 rakwb eng Rajabian, Ahmad verfasserin aut Centrifuge Study of a Retrogressive Seepage-Triggered Landslide in Silty Sand Slopes 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Indian Geotechnical Society 2022 Abstract A landslide can consist of multiple failures advancing upslope retrogressively. This paper investigates the mechanism of a seepage-induced retrogressive landslide in a silty sand slope and assesses the accuracy of the limit equilibrium analysis in predicting the stability and sequential failure surfaces at retrogressive failures. A centrifuge model test was performed on a 12-m-high silty sand slope with an inclination of 45° at 50 g using a 4.5 m radius large beam centrifuge facility available at IIT Bombay. Seepage was generated using an in-flight simulator, and the behavior of the model slope was monitored. Three retrogressive slides were observed in the slope model when the seepage flow was established. The results indicated that the time interval between initial and second failure episodes is more prolonged than between second and last failure episodes. The length of sliding surfaces decreases when the landslide retrogresses, although their depth remains roughly unchanged. In addition, the slope with an inclination of 63.4° (2 V:1H) had significantly higher values in normalized depth, depth of displaced mass, and retrogression distance than those for 45° slope inclination. The limit equilibrium approach can estimate the stability at pre-failure stages, provided that pertinent geometry and loading conditions are satisfactorily incorporated. Retrogressive landslide (dpeaa)DE-He213 Seepage (dpeaa)DE-He213 Centrifuge modeling (dpeaa)DE-He213 Limit equilibrium (dpeaa)DE-He213 Viswanadham, B. V. S. (orcid)0000-0002-3264-8616 aut Enthalten in Indian geotechnical journal New York, NY : Springer, 2012 52(2022), 6 vom: 28. Juni, Seite 1313-1324 (DE-627)739212354 (DE-600)2707502-3 2277-3347 nnns volume:52 year:2022 number:6 day:28 month:06 pages:1313-1324 https://dx.doi.org/10.1007/s40098-022-00633-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 52 2022 6 28 06 1313-1324 |
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In addition, the slope with an inclination of 63.4° (2 V:1H) had significantly higher values in normalized depth, depth of displaced mass, and retrogression distance than those for 45° slope inclination. 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Rajabian, Ahmad |
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Rajabian, Ahmad misc Retrogressive landslide misc Seepage misc Centrifuge modeling misc Limit equilibrium Centrifuge Study of a Retrogressive Seepage-Triggered Landslide in Silty Sand Slopes |
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Centrifuge Study of a Retrogressive Seepage-Triggered Landslide in Silty Sand Slopes Retrogressive landslide (dpeaa)DE-He213 Seepage (dpeaa)DE-He213 Centrifuge modeling (dpeaa)DE-He213 Limit equilibrium (dpeaa)DE-He213 |
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Centrifuge Study of a Retrogressive Seepage-Triggered Landslide in Silty Sand Slopes |
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Indian geotechnical journal |
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centrifuge study of a retrogressive seepage-triggered landslide in silty sand slopes |
| title_auth |
Centrifuge Study of a Retrogressive Seepage-Triggered Landslide in Silty Sand Slopes |
| abstract |
Abstract A landslide can consist of multiple failures advancing upslope retrogressively. This paper investigates the mechanism of a seepage-induced retrogressive landslide in a silty sand slope and assesses the accuracy of the limit equilibrium analysis in predicting the stability and sequential failure surfaces at retrogressive failures. A centrifuge model test was performed on a 12-m-high silty sand slope with an inclination of 45° at 50 g using a 4.5 m radius large beam centrifuge facility available at IIT Bombay. Seepage was generated using an in-flight simulator, and the behavior of the model slope was monitored. Three retrogressive slides were observed in the slope model when the seepage flow was established. The results indicated that the time interval between initial and second failure episodes is more prolonged than between second and last failure episodes. The length of sliding surfaces decreases when the landslide retrogresses, although their depth remains roughly unchanged. In addition, the slope with an inclination of 63.4° (2 V:1H) had significantly higher values in normalized depth, depth of displaced mass, and retrogression distance than those for 45° slope inclination. The limit equilibrium approach can estimate the stability at pre-failure stages, provided that pertinent geometry and loading conditions are satisfactorily incorporated. © The Author(s), under exclusive licence to Indian Geotechnical Society 2022 |
| abstractGer |
Abstract A landslide can consist of multiple failures advancing upslope retrogressively. This paper investigates the mechanism of a seepage-induced retrogressive landslide in a silty sand slope and assesses the accuracy of the limit equilibrium analysis in predicting the stability and sequential failure surfaces at retrogressive failures. A centrifuge model test was performed on a 12-m-high silty sand slope with an inclination of 45° at 50 g using a 4.5 m radius large beam centrifuge facility available at IIT Bombay. Seepage was generated using an in-flight simulator, and the behavior of the model slope was monitored. Three retrogressive slides were observed in the slope model when the seepage flow was established. The results indicated that the time interval between initial and second failure episodes is more prolonged than between second and last failure episodes. The length of sliding surfaces decreases when the landslide retrogresses, although their depth remains roughly unchanged. In addition, the slope with an inclination of 63.4° (2 V:1H) had significantly higher values in normalized depth, depth of displaced mass, and retrogression distance than those for 45° slope inclination. The limit equilibrium approach can estimate the stability at pre-failure stages, provided that pertinent geometry and loading conditions are satisfactorily incorporated. © The Author(s), under exclusive licence to Indian Geotechnical Society 2022 |
| abstract_unstemmed |
Abstract A landslide can consist of multiple failures advancing upslope retrogressively. This paper investigates the mechanism of a seepage-induced retrogressive landslide in a silty sand slope and assesses the accuracy of the limit equilibrium analysis in predicting the stability and sequential failure surfaces at retrogressive failures. A centrifuge model test was performed on a 12-m-high silty sand slope with an inclination of 45° at 50 g using a 4.5 m radius large beam centrifuge facility available at IIT Bombay. Seepage was generated using an in-flight simulator, and the behavior of the model slope was monitored. Three retrogressive slides were observed in the slope model when the seepage flow was established. The results indicated that the time interval between initial and second failure episodes is more prolonged than between second and last failure episodes. The length of sliding surfaces decreases when the landslide retrogresses, although their depth remains roughly unchanged. In addition, the slope with an inclination of 63.4° (2 V:1H) had significantly higher values in normalized depth, depth of displaced mass, and retrogression distance than those for 45° slope inclination. The limit equilibrium approach can estimate the stability at pre-failure stages, provided that pertinent geometry and loading conditions are satisfactorily incorporated. © The Author(s), under exclusive licence to Indian Geotechnical Society 2022 |
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Centrifuge Study of a Retrogressive Seepage-Triggered Landslide in Silty Sand Slopes |
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https://dx.doi.org/10.1007/s40098-022-00633-z |
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Viswanadham, B. V. S. |
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10.1007/s40098-022-00633-z |
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2024-07-03T19:37:36.961Z |
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