Soil-pipe-atmosphere interaction under field conditions
Abstract Unsaturated clay deposits swell and shrink as a result of seasonal variations in climatic conditions and affect the performance of underground infrastructure systems. This paper investigates the response of a 150-mm PVC pipe buried in a highly plastic clay deposit under field conditions. A...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Saadeldin, Ramy [verfasserIn] |
|---|
| Format: |
Artikel |
|---|---|
| Sprache: |
Englisch |
| Erschienen: |
2020 |
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| Schlagwörter: |
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| Anmerkung: |
© Springer-Verlag GmbH Germany, part of Springer Nature 2020 |
|---|
| Übergeordnetes Werk: |
Enthalten in: Bulletin of engineering geology and the environment - Springer Berlin Heidelberg, 1998, 80(2020), 6 vom: 12. Nov., Seite 4803-4819 |
|---|---|
| Übergeordnetes Werk: |
volume:80 ; year:2020 ; number:6 ; day:12 ; month:11 ; pages:4803-4819 |
| Links: |
|---|
| DOI / URN: |
10.1007/s10064-020-02002-7 |
|---|
| Katalog-ID: |
OLC2125731762 |
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| 520 | |a Abstract Unsaturated clay deposits swell and shrink as a result of seasonal variations in climatic conditions and affect the performance of underground infrastructure systems. This paper investigates the response of a 150-mm PVC pipe buried in a highly plastic clay deposit under field conditions. A numerical model was established to integrate the daily climatic conditions. To accurately model field performance, the developed numerical model incorporated the use of a bimodal soil water characteristic curve (SWCC) and the simulation of the hydraulic characteristics of a cracked soil structure. The model results showed that the response of both the soil and the pipe was influenced by soil properties (native and backfill), the depth below the ground surface, and most importantly, the surface boundary condition (sealed versus unsealed surface). Although the pipe trench was covered by a pavement structure, the backfill material consisting of granular materials (i.e., mixed concrete) showed a noticeable variation in volumetric water content (VWC) with time. It was also observed that the effects of the atmosphere extended below the pipe burial depth to a depth of 4 m in the clay soil surrounding the trench. While the pipe trench was backfilled with a non-expansive material, the pipe experienced fluctuating displacements throughout the year. Finally, the model was utilized to give insight into the actual flux transferred through the pavement structure to the backfill material surrounding the pipe. It was predicted that approximately 30% of the surface net flux permeated the pavement structure and interacted with the underlying backfill materials. | ||
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10.1007/s10064-020-02002-7 doi (DE-627)OLC2125731762 (DE-He213)s10064-020-02002-7-p DE-627 ger DE-627 rakwb eng 550 600 VZ Saadeldin, Ramy verfasserin aut Soil-pipe-atmosphere interaction under field conditions 2020 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag GmbH Germany, part of Springer Nature 2020 Abstract Unsaturated clay deposits swell and shrink as a result of seasonal variations in climatic conditions and affect the performance of underground infrastructure systems. This paper investigates the response of a 150-mm PVC pipe buried in a highly plastic clay deposit under field conditions. A numerical model was established to integrate the daily climatic conditions. To accurately model field performance, the developed numerical model incorporated the use of a bimodal soil water characteristic curve (SWCC) and the simulation of the hydraulic characteristics of a cracked soil structure. The model results showed that the response of both the soil and the pipe was influenced by soil properties (native and backfill), the depth below the ground surface, and most importantly, the surface boundary condition (sealed versus unsealed surface). Although the pipe trench was covered by a pavement structure, the backfill material consisting of granular materials (i.e., mixed concrete) showed a noticeable variation in volumetric water content (VWC) with time. It was also observed that the effects of the atmosphere extended below the pipe burial depth to a depth of 4 m in the clay soil surrounding the trench. While the pipe trench was backfilled with a non-expansive material, the pipe experienced fluctuating displacements throughout the year. Finally, the model was utilized to give insight into the actual flux transferred through the pavement structure to the backfill material surrounding the pipe. It was predicted that approximately 30% of the surface net flux permeated the pavement structure and interacted with the underlying backfill materials. Climatic conditions Soil movements Soil temperature Unsaturated soils Pavement structure Soil cracks Hu, Yafei aut Henni, Amr aut Enthalten in Bulletin of engineering geology and the environment Springer Berlin Heidelberg, 1998 80(2020), 6 vom: 12. Nov., Seite 4803-4819 (DE-627)24891880X (DE-600)1444574-8 (DE-576)068745818 1435-9529 nnns volume:80 year:2020 number:6 day:12 month:11 pages:4803-4819 https://doi.org/10.1007/s10064-020-02002-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-GEO SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_267 GBV_ILN_2018 GBV_ILN_4277 AR 80 2020 6 12 11 4803-4819 |
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10.1007/s10064-020-02002-7 doi (DE-627)OLC2125731762 (DE-He213)s10064-020-02002-7-p DE-627 ger DE-627 rakwb eng 550 600 VZ Saadeldin, Ramy verfasserin aut Soil-pipe-atmosphere interaction under field conditions 2020 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag GmbH Germany, part of Springer Nature 2020 Abstract Unsaturated clay deposits swell and shrink as a result of seasonal variations in climatic conditions and affect the performance of underground infrastructure systems. This paper investigates the response of a 150-mm PVC pipe buried in a highly plastic clay deposit under field conditions. A numerical model was established to integrate the daily climatic conditions. To accurately model field performance, the developed numerical model incorporated the use of a bimodal soil water characteristic curve (SWCC) and the simulation of the hydraulic characteristics of a cracked soil structure. The model results showed that the response of both the soil and the pipe was influenced by soil properties (native and backfill), the depth below the ground surface, and most importantly, the surface boundary condition (sealed versus unsealed surface). Although the pipe trench was covered by a pavement structure, the backfill material consisting of granular materials (i.e., mixed concrete) showed a noticeable variation in volumetric water content (VWC) with time. It was also observed that the effects of the atmosphere extended below the pipe burial depth to a depth of 4 m in the clay soil surrounding the trench. While the pipe trench was backfilled with a non-expansive material, the pipe experienced fluctuating displacements throughout the year. Finally, the model was utilized to give insight into the actual flux transferred through the pavement structure to the backfill material surrounding the pipe. It was predicted that approximately 30% of the surface net flux permeated the pavement structure and interacted with the underlying backfill materials. Climatic conditions Soil movements Soil temperature Unsaturated soils Pavement structure Soil cracks Hu, Yafei aut Henni, Amr aut Enthalten in Bulletin of engineering geology and the environment Springer Berlin Heidelberg, 1998 80(2020), 6 vom: 12. Nov., Seite 4803-4819 (DE-627)24891880X (DE-600)1444574-8 (DE-576)068745818 1435-9529 nnns volume:80 year:2020 number:6 day:12 month:11 pages:4803-4819 https://doi.org/10.1007/s10064-020-02002-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-GEO SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_267 GBV_ILN_2018 GBV_ILN_4277 AR 80 2020 6 12 11 4803-4819 |
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10.1007/s10064-020-02002-7 doi (DE-627)OLC2125731762 (DE-He213)s10064-020-02002-7-p DE-627 ger DE-627 rakwb eng 550 600 VZ Saadeldin, Ramy verfasserin aut Soil-pipe-atmosphere interaction under field conditions 2020 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag GmbH Germany, part of Springer Nature 2020 Abstract Unsaturated clay deposits swell and shrink as a result of seasonal variations in climatic conditions and affect the performance of underground infrastructure systems. This paper investigates the response of a 150-mm PVC pipe buried in a highly plastic clay deposit under field conditions. A numerical model was established to integrate the daily climatic conditions. To accurately model field performance, the developed numerical model incorporated the use of a bimodal soil water characteristic curve (SWCC) and the simulation of the hydraulic characteristics of a cracked soil structure. The model results showed that the response of both the soil and the pipe was influenced by soil properties (native and backfill), the depth below the ground surface, and most importantly, the surface boundary condition (sealed versus unsealed surface). Although the pipe trench was covered by a pavement structure, the backfill material consisting of granular materials (i.e., mixed concrete) showed a noticeable variation in volumetric water content (VWC) with time. It was also observed that the effects of the atmosphere extended below the pipe burial depth to a depth of 4 m in the clay soil surrounding the trench. While the pipe trench was backfilled with a non-expansive material, the pipe experienced fluctuating displacements throughout the year. Finally, the model was utilized to give insight into the actual flux transferred through the pavement structure to the backfill material surrounding the pipe. It was predicted that approximately 30% of the surface net flux permeated the pavement structure and interacted with the underlying backfill materials. Climatic conditions Soil movements Soil temperature Unsaturated soils Pavement structure Soil cracks Hu, Yafei aut Henni, Amr aut Enthalten in Bulletin of engineering geology and the environment Springer Berlin Heidelberg, 1998 80(2020), 6 vom: 12. Nov., Seite 4803-4819 (DE-627)24891880X (DE-600)1444574-8 (DE-576)068745818 1435-9529 nnns volume:80 year:2020 number:6 day:12 month:11 pages:4803-4819 https://doi.org/10.1007/s10064-020-02002-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-GEO SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_267 GBV_ILN_2018 GBV_ILN_4277 AR 80 2020 6 12 11 4803-4819 |
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10.1007/s10064-020-02002-7 doi (DE-627)OLC2125731762 (DE-He213)s10064-020-02002-7-p DE-627 ger DE-627 rakwb eng 550 600 VZ Saadeldin, Ramy verfasserin aut Soil-pipe-atmosphere interaction under field conditions 2020 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag GmbH Germany, part of Springer Nature 2020 Abstract Unsaturated clay deposits swell and shrink as a result of seasonal variations in climatic conditions and affect the performance of underground infrastructure systems. This paper investigates the response of a 150-mm PVC pipe buried in a highly plastic clay deposit under field conditions. A numerical model was established to integrate the daily climatic conditions. To accurately model field performance, the developed numerical model incorporated the use of a bimodal soil water characteristic curve (SWCC) and the simulation of the hydraulic characteristics of a cracked soil structure. The model results showed that the response of both the soil and the pipe was influenced by soil properties (native and backfill), the depth below the ground surface, and most importantly, the surface boundary condition (sealed versus unsealed surface). Although the pipe trench was covered by a pavement structure, the backfill material consisting of granular materials (i.e., mixed concrete) showed a noticeable variation in volumetric water content (VWC) with time. It was also observed that the effects of the atmosphere extended below the pipe burial depth to a depth of 4 m in the clay soil surrounding the trench. While the pipe trench was backfilled with a non-expansive material, the pipe experienced fluctuating displacements throughout the year. Finally, the model was utilized to give insight into the actual flux transferred through the pavement structure to the backfill material surrounding the pipe. It was predicted that approximately 30% of the surface net flux permeated the pavement structure and interacted with the underlying backfill materials. Climatic conditions Soil movements Soil temperature Unsaturated soils Pavement structure Soil cracks Hu, Yafei aut Henni, Amr aut Enthalten in Bulletin of engineering geology and the environment Springer Berlin Heidelberg, 1998 80(2020), 6 vom: 12. Nov., Seite 4803-4819 (DE-627)24891880X (DE-600)1444574-8 (DE-576)068745818 1435-9529 nnns volume:80 year:2020 number:6 day:12 month:11 pages:4803-4819 https://doi.org/10.1007/s10064-020-02002-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-GEO SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_267 GBV_ILN_2018 GBV_ILN_4277 AR 80 2020 6 12 11 4803-4819 |
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Soil-pipe-atmosphere interaction under field conditions |
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Soil-pipe-atmosphere interaction under field conditions |
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Saadeldin, Ramy |
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Bulletin of engineering geology and the environment |
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Saadeldin, Ramy Hu, Yafei Henni, Amr |
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soil-pipe-atmosphere interaction under field conditions |
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Soil-pipe-atmosphere interaction under field conditions |
| abstract |
Abstract Unsaturated clay deposits swell and shrink as a result of seasonal variations in climatic conditions and affect the performance of underground infrastructure systems. This paper investigates the response of a 150-mm PVC pipe buried in a highly plastic clay deposit under field conditions. A numerical model was established to integrate the daily climatic conditions. To accurately model field performance, the developed numerical model incorporated the use of a bimodal soil water characteristic curve (SWCC) and the simulation of the hydraulic characteristics of a cracked soil structure. The model results showed that the response of both the soil and the pipe was influenced by soil properties (native and backfill), the depth below the ground surface, and most importantly, the surface boundary condition (sealed versus unsealed surface). Although the pipe trench was covered by a pavement structure, the backfill material consisting of granular materials (i.e., mixed concrete) showed a noticeable variation in volumetric water content (VWC) with time. It was also observed that the effects of the atmosphere extended below the pipe burial depth to a depth of 4 m in the clay soil surrounding the trench. While the pipe trench was backfilled with a non-expansive material, the pipe experienced fluctuating displacements throughout the year. Finally, the model was utilized to give insight into the actual flux transferred through the pavement structure to the backfill material surrounding the pipe. It was predicted that approximately 30% of the surface net flux permeated the pavement structure and interacted with the underlying backfill materials. © Springer-Verlag GmbH Germany, part of Springer Nature 2020 |
| abstractGer |
Abstract Unsaturated clay deposits swell and shrink as a result of seasonal variations in climatic conditions and affect the performance of underground infrastructure systems. This paper investigates the response of a 150-mm PVC pipe buried in a highly plastic clay deposit under field conditions. A numerical model was established to integrate the daily climatic conditions. To accurately model field performance, the developed numerical model incorporated the use of a bimodal soil water characteristic curve (SWCC) and the simulation of the hydraulic characteristics of a cracked soil structure. The model results showed that the response of both the soil and the pipe was influenced by soil properties (native and backfill), the depth below the ground surface, and most importantly, the surface boundary condition (sealed versus unsealed surface). Although the pipe trench was covered by a pavement structure, the backfill material consisting of granular materials (i.e., mixed concrete) showed a noticeable variation in volumetric water content (VWC) with time. It was also observed that the effects of the atmosphere extended below the pipe burial depth to a depth of 4 m in the clay soil surrounding the trench. While the pipe trench was backfilled with a non-expansive material, the pipe experienced fluctuating displacements throughout the year. Finally, the model was utilized to give insight into the actual flux transferred through the pavement structure to the backfill material surrounding the pipe. It was predicted that approximately 30% of the surface net flux permeated the pavement structure and interacted with the underlying backfill materials. © Springer-Verlag GmbH Germany, part of Springer Nature 2020 |
| abstract_unstemmed |
Abstract Unsaturated clay deposits swell and shrink as a result of seasonal variations in climatic conditions and affect the performance of underground infrastructure systems. This paper investigates the response of a 150-mm PVC pipe buried in a highly plastic clay deposit under field conditions. A numerical model was established to integrate the daily climatic conditions. To accurately model field performance, the developed numerical model incorporated the use of a bimodal soil water characteristic curve (SWCC) and the simulation of the hydraulic characteristics of a cracked soil structure. The model results showed that the response of both the soil and the pipe was influenced by soil properties (native and backfill), the depth below the ground surface, and most importantly, the surface boundary condition (sealed versus unsealed surface). Although the pipe trench was covered by a pavement structure, the backfill material consisting of granular materials (i.e., mixed concrete) showed a noticeable variation in volumetric water content (VWC) with time. It was also observed that the effects of the atmosphere extended below the pipe burial depth to a depth of 4 m in the clay soil surrounding the trench. While the pipe trench was backfilled with a non-expansive material, the pipe experienced fluctuating displacements throughout the year. Finally, the model was utilized to give insight into the actual flux transferred through the pavement structure to the backfill material surrounding the pipe. It was predicted that approximately 30% of the surface net flux permeated the pavement structure and interacted with the underlying backfill materials. © Springer-Verlag GmbH Germany, part of Springer Nature 2020 |
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Soil-pipe-atmosphere interaction under field conditions |
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