Effect of Soft Foundation Embankment Widening on Mechanical Characteristics of Piles in the Original Embankment
[Introduction] The increasing traffic and the increasingly tight construction cause the roads to be widened and rebuilt. In order to further study the stability of the embankment, the change of the mechanical characteristics of the pile under the original embankment is analyzed when the soft foundat...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
CHEN Xixian [verfasserIn] NI Jia [verfasserIn] WANG Linwei [verfasserIn] XUE Luanluan [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch ; Chinesisch |
| Erschienen: |
2020 |
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| Übergeordnetes Werk: |
In: 南方能源建设 - Energy Observer Magazine Co., Ltd., 2021, 7(2020), 2, Seite 148-156 |
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| Übergeordnetes Werk: |
volume:7 ; year:2020 ; number:2 ; pages:148-156 |
| Links: |
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| DOI / URN: |
10.16516/j.gedi.issn2095-8676.2020.02.022 |
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| Katalog-ID: |
DOAJ057819734 |
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| 520 | |a [Introduction] The increasing traffic and the increasingly tight construction cause the roads to be widened and rebuilt. In order to further study the stability of the embankment, the change of the mechanical characteristics of the pile under the original embankment is analyzed when the soft foundation embankment is widened. [Method] After verifying the centrifuge model,a three-dimensional numerical model of the widened embankment and the original embankment was established using Abaqus. Based on the comparative analysis, the influence of gravity, deformation modulus, strength parameters of widened embankment on the mechanical characteristics, deformation behavior and failure mode were carried out. [Result] The numerical simulation results show that the piles under the embankment had different contributions to anti-sliding. The piles close to the slope are mainly subjected to bending and shearing, and the piles far away from the slope are mainly affected by the axial force. The weight of the widened embankment affects the mechanical characteristics of the pile in the original embankment: the main performance is that the bending moment and shearing for piles in the original embankment reduced, and the axial force increased; the displacement of piles in the original embankment increased, in which the vertical displacement increment near the original slope foot is the largest and the largest lateral one is located in the middle of the original embankment. The soil weight of the widened embankment significantly affects the vertical displacement of the original embankment, but its deformation modulus and strength parameters almost have no obvious effect. After the embankment is widened, the mechanical characteristics of the pile in the original embankment change under the load. The potential failure mode is changed from bending-shear zone, bending zone and compression zone to bending zone and compression zone. [Conclusion] The model can verify the centrifuge test results, and the results can provide guidance for the stability analysis of embankment widening. | ||
| 650 | 4 | |a soft soil | |
| 650 | 4 | |a pile foundation | |
| 650 | 4 | |a embankment widening | |
| 650 | 4 | |a numerical simulation | |
| 650 | 4 | |a failure mode | |
| 653 | 0 | |a Energy industries. Energy policy. Fuel trade | |
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| 700 | 0 | |a WANG Linwei |e verfasserin |4 aut | |
| 700 | 0 | |a XUE Luanluan |e verfasserin |4 aut | |
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10.16516/j.gedi.issn2095-8676.2020.02.022 doi (DE-627)DOAJ057819734 (DE-599)DOAJ9ac316c68d4443f3a6e161dfcc8ce4c2 DE-627 ger DE-627 rakwb eng chi HD9502-9502.5 CHEN Xixian verfasserin aut Effect of Soft Foundation Embankment Widening on Mechanical Characteristics of Piles in the Original Embankment 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier [Introduction] The increasing traffic and the increasingly tight construction cause the roads to be widened and rebuilt. In order to further study the stability of the embankment, the change of the mechanical characteristics of the pile under the original embankment is analyzed when the soft foundation embankment is widened. [Method] After verifying the centrifuge model,a three-dimensional numerical model of the widened embankment and the original embankment was established using Abaqus. Based on the comparative analysis, the influence of gravity, deformation modulus, strength parameters of widened embankment on the mechanical characteristics, deformation behavior and failure mode were carried out. [Result] The numerical simulation results show that the piles under the embankment had different contributions to anti-sliding. The piles close to the slope are mainly subjected to bending and shearing, and the piles far away from the slope are mainly affected by the axial force. The weight of the widened embankment affects the mechanical characteristics of the pile in the original embankment: the main performance is that the bending moment and shearing for piles in the original embankment reduced, and the axial force increased; the displacement of piles in the original embankment increased, in which the vertical displacement increment near the original slope foot is the largest and the largest lateral one is located in the middle of the original embankment. The soil weight of the widened embankment significantly affects the vertical displacement of the original embankment, but its deformation modulus and strength parameters almost have no obvious effect. After the embankment is widened, the mechanical characteristics of the pile in the original embankment change under the load. The potential failure mode is changed from bending-shear zone, bending zone and compression zone to bending zone and compression zone. [Conclusion] The model can verify the centrifuge test results, and the results can provide guidance for the stability analysis of embankment widening. soft soil pile foundation embankment widening numerical simulation failure mode Energy industries. Energy policy. Fuel trade NI Jia verfasserin aut WANG Linwei verfasserin aut XUE Luanluan verfasserin aut In 南方能源建设 Energy Observer Magazine Co., Ltd., 2021 7(2020), 2, Seite 148-156 (DE-627)DOAJ078619238 20958676 nnns volume:7 year:2020 number:2 pages:148-156 https://doi.org/10.16516/j.gedi.issn2095-8676.2020.02.022 kostenfrei https://doaj.org/article/9ac316c68d4443f3a6e161dfcc8ce4c2 kostenfrei https://www.energychina.press/en/article/doi/10.16516/j.gedi.issn2095-8676.2020.02.022 kostenfrei https://doaj.org/toc/2095-8676 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ AR 7 2020 2 148-156 |
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10.16516/j.gedi.issn2095-8676.2020.02.022 doi (DE-627)DOAJ057819734 (DE-599)DOAJ9ac316c68d4443f3a6e161dfcc8ce4c2 DE-627 ger DE-627 rakwb eng chi HD9502-9502.5 CHEN Xixian verfasserin aut Effect of Soft Foundation Embankment Widening on Mechanical Characteristics of Piles in the Original Embankment 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier [Introduction] The increasing traffic and the increasingly tight construction cause the roads to be widened and rebuilt. In order to further study the stability of the embankment, the change of the mechanical characteristics of the pile under the original embankment is analyzed when the soft foundation embankment is widened. [Method] After verifying the centrifuge model,a three-dimensional numerical model of the widened embankment and the original embankment was established using Abaqus. Based on the comparative analysis, the influence of gravity, deformation modulus, strength parameters of widened embankment on the mechanical characteristics, deformation behavior and failure mode were carried out. [Result] The numerical simulation results show that the piles under the embankment had different contributions to anti-sliding. The piles close to the slope are mainly subjected to bending and shearing, and the piles far away from the slope are mainly affected by the axial force. The weight of the widened embankment affects the mechanical characteristics of the pile in the original embankment: the main performance is that the bending moment and shearing for piles in the original embankment reduced, and the axial force increased; the displacement of piles in the original embankment increased, in which the vertical displacement increment near the original slope foot is the largest and the largest lateral one is located in the middle of the original embankment. The soil weight of the widened embankment significantly affects the vertical displacement of the original embankment, but its deformation modulus and strength parameters almost have no obvious effect. After the embankment is widened, the mechanical characteristics of the pile in the original embankment change under the load. The potential failure mode is changed from bending-shear zone, bending zone and compression zone to bending zone and compression zone. [Conclusion] The model can verify the centrifuge test results, and the results can provide guidance for the stability analysis of embankment widening. soft soil pile foundation embankment widening numerical simulation failure mode Energy industries. Energy policy. Fuel trade NI Jia verfasserin aut WANG Linwei verfasserin aut XUE Luanluan verfasserin aut In 南方能源建设 Energy Observer Magazine Co., Ltd., 2021 7(2020), 2, Seite 148-156 (DE-627)DOAJ078619238 20958676 nnns volume:7 year:2020 number:2 pages:148-156 https://doi.org/10.16516/j.gedi.issn2095-8676.2020.02.022 kostenfrei https://doaj.org/article/9ac316c68d4443f3a6e161dfcc8ce4c2 kostenfrei https://www.energychina.press/en/article/doi/10.16516/j.gedi.issn2095-8676.2020.02.022 kostenfrei https://doaj.org/toc/2095-8676 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ AR 7 2020 2 148-156 |
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10.16516/j.gedi.issn2095-8676.2020.02.022 doi (DE-627)DOAJ057819734 (DE-599)DOAJ9ac316c68d4443f3a6e161dfcc8ce4c2 DE-627 ger DE-627 rakwb eng chi HD9502-9502.5 CHEN Xixian verfasserin aut Effect of Soft Foundation Embankment Widening on Mechanical Characteristics of Piles in the Original Embankment 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier [Introduction] The increasing traffic and the increasingly tight construction cause the roads to be widened and rebuilt. In order to further study the stability of the embankment, the change of the mechanical characteristics of the pile under the original embankment is analyzed when the soft foundation embankment is widened. [Method] After verifying the centrifuge model,a three-dimensional numerical model of the widened embankment and the original embankment was established using Abaqus. Based on the comparative analysis, the influence of gravity, deformation modulus, strength parameters of widened embankment on the mechanical characteristics, deformation behavior and failure mode were carried out. [Result] The numerical simulation results show that the piles under the embankment had different contributions to anti-sliding. The piles close to the slope are mainly subjected to bending and shearing, and the piles far away from the slope are mainly affected by the axial force. The weight of the widened embankment affects the mechanical characteristics of the pile in the original embankment: the main performance is that the bending moment and shearing for piles in the original embankment reduced, and the axial force increased; the displacement of piles in the original embankment increased, in which the vertical displacement increment near the original slope foot is the largest and the largest lateral one is located in the middle of the original embankment. The soil weight of the widened embankment significantly affects the vertical displacement of the original embankment, but its deformation modulus and strength parameters almost have no obvious effect. After the embankment is widened, the mechanical characteristics of the pile in the original embankment change under the load. The potential failure mode is changed from bending-shear zone, bending zone and compression zone to bending zone and compression zone. [Conclusion] The model can verify the centrifuge test results, and the results can provide guidance for the stability analysis of embankment widening. soft soil pile foundation embankment widening numerical simulation failure mode Energy industries. Energy policy. Fuel trade NI Jia verfasserin aut WANG Linwei verfasserin aut XUE Luanluan verfasserin aut In 南方能源建设 Energy Observer Magazine Co., Ltd., 2021 7(2020), 2, Seite 148-156 (DE-627)DOAJ078619238 20958676 nnns volume:7 year:2020 number:2 pages:148-156 https://doi.org/10.16516/j.gedi.issn2095-8676.2020.02.022 kostenfrei https://doaj.org/article/9ac316c68d4443f3a6e161dfcc8ce4c2 kostenfrei https://www.energychina.press/en/article/doi/10.16516/j.gedi.issn2095-8676.2020.02.022 kostenfrei https://doaj.org/toc/2095-8676 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ AR 7 2020 2 148-156 |
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10.16516/j.gedi.issn2095-8676.2020.02.022 doi (DE-627)DOAJ057819734 (DE-599)DOAJ9ac316c68d4443f3a6e161dfcc8ce4c2 DE-627 ger DE-627 rakwb eng chi HD9502-9502.5 CHEN Xixian verfasserin aut Effect of Soft Foundation Embankment Widening on Mechanical Characteristics of Piles in the Original Embankment 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier [Introduction] The increasing traffic and the increasingly tight construction cause the roads to be widened and rebuilt. In order to further study the stability of the embankment, the change of the mechanical characteristics of the pile under the original embankment is analyzed when the soft foundation embankment is widened. [Method] After verifying the centrifuge model,a three-dimensional numerical model of the widened embankment and the original embankment was established using Abaqus. Based on the comparative analysis, the influence of gravity, deformation modulus, strength parameters of widened embankment on the mechanical characteristics, deformation behavior and failure mode were carried out. [Result] The numerical simulation results show that the piles under the embankment had different contributions to anti-sliding. The piles close to the slope are mainly subjected to bending and shearing, and the piles far away from the slope are mainly affected by the axial force. The weight of the widened embankment affects the mechanical characteristics of the pile in the original embankment: the main performance is that the bending moment and shearing for piles in the original embankment reduced, and the axial force increased; the displacement of piles in the original embankment increased, in which the vertical displacement increment near the original slope foot is the largest and the largest lateral one is located in the middle of the original embankment. The soil weight of the widened embankment significantly affects the vertical displacement of the original embankment, but its deformation modulus and strength parameters almost have no obvious effect. After the embankment is widened, the mechanical characteristics of the pile in the original embankment change under the load. The potential failure mode is changed from bending-shear zone, bending zone and compression zone to bending zone and compression zone. [Conclusion] The model can verify the centrifuge test results, and the results can provide guidance for the stability analysis of embankment widening. soft soil pile foundation embankment widening numerical simulation failure mode Energy industries. Energy policy. Fuel trade NI Jia verfasserin aut WANG Linwei verfasserin aut XUE Luanluan verfasserin aut In 南方能源建设 Energy Observer Magazine Co., Ltd., 2021 7(2020), 2, Seite 148-156 (DE-627)DOAJ078619238 20958676 nnns volume:7 year:2020 number:2 pages:148-156 https://doi.org/10.16516/j.gedi.issn2095-8676.2020.02.022 kostenfrei https://doaj.org/article/9ac316c68d4443f3a6e161dfcc8ce4c2 kostenfrei https://www.energychina.press/en/article/doi/10.16516/j.gedi.issn2095-8676.2020.02.022 kostenfrei https://doaj.org/toc/2095-8676 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ AR 7 2020 2 148-156 |
| allfieldsSound |
10.16516/j.gedi.issn2095-8676.2020.02.022 doi (DE-627)DOAJ057819734 (DE-599)DOAJ9ac316c68d4443f3a6e161dfcc8ce4c2 DE-627 ger DE-627 rakwb eng chi HD9502-9502.5 CHEN Xixian verfasserin aut Effect of Soft Foundation Embankment Widening on Mechanical Characteristics of Piles in the Original Embankment 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier [Introduction] The increasing traffic and the increasingly tight construction cause the roads to be widened and rebuilt. In order to further study the stability of the embankment, the change of the mechanical characteristics of the pile under the original embankment is analyzed when the soft foundation embankment is widened. [Method] After verifying the centrifuge model,a three-dimensional numerical model of the widened embankment and the original embankment was established using Abaqus. Based on the comparative analysis, the influence of gravity, deformation modulus, strength parameters of widened embankment on the mechanical characteristics, deformation behavior and failure mode were carried out. [Result] The numerical simulation results show that the piles under the embankment had different contributions to anti-sliding. The piles close to the slope are mainly subjected to bending and shearing, and the piles far away from the slope are mainly affected by the axial force. The weight of the widened embankment affects the mechanical characteristics of the pile in the original embankment: the main performance is that the bending moment and shearing for piles in the original embankment reduced, and the axial force increased; the displacement of piles in the original embankment increased, in which the vertical displacement increment near the original slope foot is the largest and the largest lateral one is located in the middle of the original embankment. The soil weight of the widened embankment significantly affects the vertical displacement of the original embankment, but its deformation modulus and strength parameters almost have no obvious effect. After the embankment is widened, the mechanical characteristics of the pile in the original embankment change under the load. The potential failure mode is changed from bending-shear zone, bending zone and compression zone to bending zone and compression zone. [Conclusion] The model can verify the centrifuge test results, and the results can provide guidance for the stability analysis of embankment widening. soft soil pile foundation embankment widening numerical simulation failure mode Energy industries. Energy policy. Fuel trade NI Jia verfasserin aut WANG Linwei verfasserin aut XUE Luanluan verfasserin aut In 南方能源建设 Energy Observer Magazine Co., Ltd., 2021 7(2020), 2, Seite 148-156 (DE-627)DOAJ078619238 20958676 nnns volume:7 year:2020 number:2 pages:148-156 https://doi.org/10.16516/j.gedi.issn2095-8676.2020.02.022 kostenfrei https://doaj.org/article/9ac316c68d4443f3a6e161dfcc8ce4c2 kostenfrei https://www.energychina.press/en/article/doi/10.16516/j.gedi.issn2095-8676.2020.02.022 kostenfrei https://doaj.org/toc/2095-8676 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ AR 7 2020 2 148-156 |
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In order to further study the stability of the embankment, the change of the mechanical characteristics of the pile under the original embankment is analyzed when the soft foundation embankment is widened. [Method] After verifying the centrifuge model,a three-dimensional numerical model of the widened embankment and the original embankment was established using Abaqus. Based on the comparative analysis, the influence of gravity, deformation modulus, strength parameters of widened embankment on the mechanical characteristics, deformation behavior and failure mode were carried out. [Result] The numerical simulation results show that the piles under the embankment had different contributions to anti-sliding. The piles close to the slope are mainly subjected to bending and shearing, and the piles far away from the slope are mainly affected by the axial force. The weight of the widened embankment affects the mechanical characteristics of the pile in the original embankment: the main performance is that the bending moment and shearing for piles in the original embankment reduced, and the axial force increased; the displacement of piles in the original embankment increased, in which the vertical displacement increment near the original slope foot is the largest and the largest lateral one is located in the middle of the original embankment. The soil weight of the widened embankment significantly affects the vertical displacement of the original embankment, but its deformation modulus and strength parameters almost have no obvious effect. After the embankment is widened, the mechanical characteristics of the pile in the original embankment change under the load. The potential failure mode is changed from bending-shear zone, bending zone and compression zone to bending zone and compression zone. 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CHEN Xixian misc HD9502-9502.5 misc soft soil misc pile foundation misc embankment widening misc numerical simulation misc failure mode misc Energy industries. Energy policy. Fuel trade Effect of Soft Foundation Embankment Widening on Mechanical Characteristics of Piles in the Original Embankment |
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HD9502-9502.5 Effect of Soft Foundation Embankment Widening on Mechanical Characteristics of Piles in the Original Embankment soft soil pile foundation embankment widening numerical simulation failure mode |
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misc HD9502-9502.5 misc soft soil misc pile foundation misc embankment widening misc numerical simulation misc failure mode misc Energy industries. Energy policy. Fuel trade |
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Effect of Soft Foundation Embankment Widening on Mechanical Characteristics of Piles in the Original Embankment |
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Effect of Soft Foundation Embankment Widening on Mechanical Characteristics of Piles in the Original Embankment |
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CHEN Xixian |
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南方能源建设 |
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effect of soft foundation embankment widening on mechanical characteristics of piles in the original embankment |
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Effect of Soft Foundation Embankment Widening on Mechanical Characteristics of Piles in the Original Embankment |
| abstract |
[Introduction] The increasing traffic and the increasingly tight construction cause the roads to be widened and rebuilt. In order to further study the stability of the embankment, the change of the mechanical characteristics of the pile under the original embankment is analyzed when the soft foundation embankment is widened. [Method] After verifying the centrifuge model,a three-dimensional numerical model of the widened embankment and the original embankment was established using Abaqus. Based on the comparative analysis, the influence of gravity, deformation modulus, strength parameters of widened embankment on the mechanical characteristics, deformation behavior and failure mode were carried out. [Result] The numerical simulation results show that the piles under the embankment had different contributions to anti-sliding. The piles close to the slope are mainly subjected to bending and shearing, and the piles far away from the slope are mainly affected by the axial force. The weight of the widened embankment affects the mechanical characteristics of the pile in the original embankment: the main performance is that the bending moment and shearing for piles in the original embankment reduced, and the axial force increased; the displacement of piles in the original embankment increased, in which the vertical displacement increment near the original slope foot is the largest and the largest lateral one is located in the middle of the original embankment. The soil weight of the widened embankment significantly affects the vertical displacement of the original embankment, but its deformation modulus and strength parameters almost have no obvious effect. After the embankment is widened, the mechanical characteristics of the pile in the original embankment change under the load. The potential failure mode is changed from bending-shear zone, bending zone and compression zone to bending zone and compression zone. [Conclusion] The model can verify the centrifuge test results, and the results can provide guidance for the stability analysis of embankment widening. |
| abstractGer |
[Introduction] The increasing traffic and the increasingly tight construction cause the roads to be widened and rebuilt. In order to further study the stability of the embankment, the change of the mechanical characteristics of the pile under the original embankment is analyzed when the soft foundation embankment is widened. [Method] After verifying the centrifuge model,a three-dimensional numerical model of the widened embankment and the original embankment was established using Abaqus. Based on the comparative analysis, the influence of gravity, deformation modulus, strength parameters of widened embankment on the mechanical characteristics, deformation behavior and failure mode were carried out. [Result] The numerical simulation results show that the piles under the embankment had different contributions to anti-sliding. The piles close to the slope are mainly subjected to bending and shearing, and the piles far away from the slope are mainly affected by the axial force. The weight of the widened embankment affects the mechanical characteristics of the pile in the original embankment: the main performance is that the bending moment and shearing for piles in the original embankment reduced, and the axial force increased; the displacement of piles in the original embankment increased, in which the vertical displacement increment near the original slope foot is the largest and the largest lateral one is located in the middle of the original embankment. The soil weight of the widened embankment significantly affects the vertical displacement of the original embankment, but its deformation modulus and strength parameters almost have no obvious effect. After the embankment is widened, the mechanical characteristics of the pile in the original embankment change under the load. The potential failure mode is changed from bending-shear zone, bending zone and compression zone to bending zone and compression zone. [Conclusion] The model can verify the centrifuge test results, and the results can provide guidance for the stability analysis of embankment widening. |
| abstract_unstemmed |
[Introduction] The increasing traffic and the increasingly tight construction cause the roads to be widened and rebuilt. In order to further study the stability of the embankment, the change of the mechanical characteristics of the pile under the original embankment is analyzed when the soft foundation embankment is widened. [Method] After verifying the centrifuge model,a three-dimensional numerical model of the widened embankment and the original embankment was established using Abaqus. Based on the comparative analysis, the influence of gravity, deformation modulus, strength parameters of widened embankment on the mechanical characteristics, deformation behavior and failure mode were carried out. [Result] The numerical simulation results show that the piles under the embankment had different contributions to anti-sliding. The piles close to the slope are mainly subjected to bending and shearing, and the piles far away from the slope are mainly affected by the axial force. The weight of the widened embankment affects the mechanical characteristics of the pile in the original embankment: the main performance is that the bending moment and shearing for piles in the original embankment reduced, and the axial force increased; the displacement of piles in the original embankment increased, in which the vertical displacement increment near the original slope foot is the largest and the largest lateral one is located in the middle of the original embankment. The soil weight of the widened embankment significantly affects the vertical displacement of the original embankment, but its deformation modulus and strength parameters almost have no obvious effect. After the embankment is widened, the mechanical characteristics of the pile in the original embankment change under the load. The potential failure mode is changed from bending-shear zone, bending zone and compression zone to bending zone and compression zone. [Conclusion] The model can verify the centrifuge test results, and the results can provide guidance for the stability analysis of embankment widening. |
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Effect of Soft Foundation Embankment Widening on Mechanical Characteristics of Piles in the Original Embankment |
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