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2-phase dynamic simulation of deep sand compaction to reduce liquefaction
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| Veröffentlicht in: | Procedia engineering 199(2017), Seite 2396-2401 |
|---|---|
| Personen und Körperschaften: | , , , |
| Titel: | 2-phase dynamic simulation of deep sand compaction to reduce liquefaction/ Sparsha Nagula, Prof. Dr.-Ing. Juergen Grabe |
| Format: | E-Book-Kapitel |
| Sprache: | Englisch |
| veröffentlicht: |
2017
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| Gesamtaufnahme: |
: Procedia engineering, 199(2017), Seite 2396-2401
, volume:199 |
| Schlagwörter: | |
| Quelle: | Verbunddaten SWB Lizenzfreie Online-Ressourcen |
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| 520 | |a A numerical model of a shallow foundation resting on sand is set up to simulate the liquefaction of partially saturated sand subjected to a confined transient loading. The foundation is observed to undergo large settlements due to liquefaction of sand. In order to analyze the feasibility of deep vibration compaction in liquefaction mitigation, saturated sand was subjected to compaction and later the same compacted sand with foundation was subjected to a confined transient loading. It was observed that the compaction technique reduced liquefaction drastically, suggesting that deep vibration compaction can be effectively used as a liquefaction mitigation measure.The compaction method includes densification of loose sands by means of shear deformation processes imparted by horizontal vibrations of vibrator probe at the required soil depth. A coupled hypoplastic constitutive model is used to characterize the stress-strain behavior of the saturated sand. | ||
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| author | Nagula, Sparsha Sinduri, Grabe, Jürgen |
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| contents | A numerical model of a shallow foundation resting on sand is set up to simulate the liquefaction of partially saturated sand subjected to a confined transient loading. The foundation is observed to undergo large settlements due to liquefaction of sand. In order to analyze the feasibility of deep vibration compaction in liquefaction mitigation, saturated sand was subjected to compaction and later the same compacted sand with foundation was subjected to a confined transient loading. It was observed that the compaction technique reduced liquefaction drastically, suggesting that deep vibration compaction can be effectively used as a liquefaction mitigation measure.The compaction method includes densification of loose sands by means of shear deformation processes imparted by horizontal vibrations of vibrator probe at the required soil depth. A coupled hypoplastic constitutive model is used to characterize the stress-strain behavior of the saturated sand. |
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| spelling | Nagula, Sparsha Sinduri 1989- VerfasserIn (DE-588)1172316023 (DE-627)1041122047 (DE-576)514510811 aut, 2-phase dynamic simulation of deep sand compaction to reduce liquefaction Sparsha Nagula, Prof. Dr.-Ing. Juergen Grabe, Two-phase dynamic simulation of deep sand compaction to reduce liquefaction, 2017, Illustrationen, Diagramme, Text txt rdacontent, Computermedien c rdamedia, Online-Ressource cr rdacarrier, A numerical model of a shallow foundation resting on sand is set up to simulate the liquefaction of partially saturated sand subjected to a confined transient loading. The foundation is observed to undergo large settlements due to liquefaction of sand. In order to analyze the feasibility of deep vibration compaction in liquefaction mitigation, saturated sand was subjected to compaction and later the same compacted sand with foundation was subjected to a confined transient loading. It was observed that the compaction technique reduced liquefaction drastically, suggesting that deep vibration compaction can be effectively used as a liquefaction mitigation measure.The compaction method includes densification of loose sands by means of shear deformation processes imparted by horizontal vibrations of vibrator probe at the required soil depth. A coupled hypoplastic constitutive model is used to characterize the stress-strain behavior of the saturated sand., liquefaction, 2-phase, hypoplastic, saturated sand, Grabe, Jürgen 1959- VerfasserIn (DE-588)1037192761 (DE-627)752418246 (DE-576)391206397 aut, Technische Universität Hamburg Sonstige Körperschaft (DE-588)1112763473 (DE-627)866918418 (DE-576)476770564 oth, Technische Universität Hamburg Institut für Geotechnik und Baubetrieb Sonstige Körperschaft (DE-588)1156676924 (DE-627)1019508957 (DE-576)502362731 oth, Enthalten in Procedia engineering Amsterdam [u.a.] : Elsevier, 2009 199(2017), Seite 2396-2401 Online-Ressource (DE-627)607348992 (DE-600)2509658-8 (DE-576)310099773 1877-7058 nnns, volume:199 year:2017 pages:2396-2401, http://nbn-resolving.de/urn:nbn:de:gbv:830-882.023989 Resolving-System kostenfrei Volltext, https://doi.org/10.15480/882.1881 Resolving-System kostenfrei Volltext, http://hdl.handle.net/11420/1884 Resolving-System kostenfrei Volltext, https://doi.org/10.1016%2Fj.proeng.2017.09.277 Verlag Volltext, https://doi.org/10.15480/882.1881 LFER, LFER 2019-05-07T00:00:00Z |
| spellingShingle | Nagula, Sparsha Sinduri, Grabe, Jürgen, 2-phase dynamic simulation of deep sand compaction to reduce liquefaction, A numerical model of a shallow foundation resting on sand is set up to simulate the liquefaction of partially saturated sand subjected to a confined transient loading. The foundation is observed to undergo large settlements due to liquefaction of sand. In order to analyze the feasibility of deep vibration compaction in liquefaction mitigation, saturated sand was subjected to compaction and later the same compacted sand with foundation was subjected to a confined transient loading. It was observed that the compaction technique reduced liquefaction drastically, suggesting that deep vibration compaction can be effectively used as a liquefaction mitigation measure.The compaction method includes densification of loose sands by means of shear deformation processes imparted by horizontal vibrations of vibrator probe at the required soil depth. A coupled hypoplastic constitutive model is used to characterize the stress-strain behavior of the saturated sand., liquefaction, 2-phase, hypoplastic, saturated sand |
| title | 2-phase dynamic simulation of deep sand compaction to reduce liquefaction |
| title_alt | Two-phase dynamic simulation of deep sand compaction to reduce liquefaction |
| title_auth | 2-phase dynamic simulation of deep sand compaction to reduce liquefaction |
| title_full | 2-phase dynamic simulation of deep sand compaction to reduce liquefaction Sparsha Nagula, Prof. Dr.-Ing. Juergen Grabe |
| title_fullStr | 2-phase dynamic simulation of deep sand compaction to reduce liquefaction Sparsha Nagula, Prof. Dr.-Ing. Juergen Grabe |
| title_full_unstemmed | 2-phase dynamic simulation of deep sand compaction to reduce liquefaction Sparsha Nagula, Prof. Dr.-Ing. Juergen Grabe |
| title_in_hierarchy | 2-phase dynamic simulation of deep sand compaction to reduce liquefaction / Sparsha Nagula, Prof. Dr.-Ing. Juergen Grabe, |
| title_short | 2-phase dynamic simulation of deep sand compaction to reduce liquefaction |
| title_sort | 2 phase dynamic simulation of deep sand compaction to reduce liquefaction |
| title_unstemmed | 2-phase dynamic simulation of deep sand compaction to reduce liquefaction |
| topic | liquefaction, 2-phase, hypoplastic, saturated sand |
| topic_facet | liquefaction, 2-phase, hypoplastic, saturated sand |
| url | http://nbn-resolving.de/urn:nbn:de:gbv:830-882.023989, https://doi.org/10.15480/882.1881, http://hdl.handle.net/11420/1884, https://doi.org/10.1016%2Fj.proeng.2017.09.277 |
| urn | urn:nbn:de:gbv:830-882.023989 |