Thermo-mechanical behaviour of energy piles in overconsolidated clay under various mechanical loading levels and thermal cycles
Energy pile foundations play the dual role of providing structural support to buildings and acting as heat exchanger units. Thus, they are subjected to different mechanical loads from the buildings and the cyclic temperature changes encountered in optimized hybrid systems. However, the effects of me...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Ding, Xuanming [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2022transfer abstract |
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| Schlagwörter: |
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| Umfang: |
14 |
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| Übergeordnetes Werk: |
Enthalten in: Technologies and practice of CO - HU, Yongle ELSEVIER, 2019, an international journal : the official journal of WREN, The World Renewable Energy Network, Amsterdam [u.a.] |
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| Übergeordnetes Werk: |
volume:201 ; year:2022 ; pages:594-607 ; extent:14 |
| Links: |
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| DOI / URN: |
10.1016/j.renene.2022.10.128 |
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ELV059737107 |
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| 100 | 1 | |a Ding, Xuanming |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Thermo-mechanical behaviour of energy piles in overconsolidated clay under various mechanical loading levels and thermal cycles |
| 264 | 1 | |c 2022transfer abstract | |
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| 520 | |a Energy pile foundations play the dual role of providing structural support to buildings and acting as heat exchanger units. Thus, they are subjected to different mechanical loads from the buildings and the cyclic temperature changes encountered in optimized hybrid systems. However, the effects of mechanical loading levels on the thermo-mechanical behaviour of energy piles under cyclic temperature changes are still to be investigated fully. This paper fills this knowledge gap through a series of model scale tests where the effects of different mechanical loading levels were investigated over multiple cooling-heating cycles in over-consolidated saturated clay. In this respect, ten cooling-heating cycles were applied while the pile's head load was maintained at 0, 25%, and 50% of the pile's ultimate bearing capacity, respectively. After ten thermal cycles, the pile's normalized settlement reached 0.05%, 0.37%, and 1.19%, respectively. The ultimate bearing capacity was 555 N, 535 N, and 520 N, respectively. The results indicate that the increase in load levels exacerbates the irreversible settlement while reducing the bearing capacity of the piles. Moreover, it also affects the stress distribution within the pile and further develops internal tension. The results from this study can be used for qualitative analysis of energy pile design. | ||
| 520 | |a Energy pile foundations play the dual role of providing structural support to buildings and acting as heat exchanger units. Thus, they are subjected to different mechanical loads from the buildings and the cyclic temperature changes encountered in optimized hybrid systems. However, the effects of mechanical loading levels on the thermo-mechanical behaviour of energy piles under cyclic temperature changes are still to be investigated fully. This paper fills this knowledge gap through a series of model scale tests where the effects of different mechanical loading levels were investigated over multiple cooling-heating cycles in over-consolidated saturated clay. In this respect, ten cooling-heating cycles were applied while the pile's head load was maintained at 0, 25%, and 50% of the pile's ultimate bearing capacity, respectively. After ten thermal cycles, the pile's normalized settlement reached 0.05%, 0.37%, and 1.19%, respectively. The ultimate bearing capacity was 555 N, 535 N, and 520 N, respectively. The results indicate that the increase in load levels exacerbates the irreversible settlement while reducing the bearing capacity of the piles. Moreover, it also affects the stress distribution within the pile and further develops internal tension. The results from this study can be used for qualitative analysis of energy pile design. | ||
| 650 | 7 | |a Saturated clay |2 Elsevier | |
| 650 | 7 | |a Mechanical loading |2 Elsevier | |
| 650 | 7 | |a Energy pile |2 Elsevier | |
| 650 | 7 | |a Thermal cycles |2 Elsevier | |
| 650 | 7 | |a Thermo-mechanical responses |2 Elsevier | |
| 700 | 1 | |a Zhang, Dingxin |4 oth | |
| 700 | 1 | |a Bouazza, Abdelmalek |4 oth | |
| 700 | 1 | |a Wang, Chenglong |4 oth | |
| 700 | 1 | |a Kong, Gangqiang |4 oth | |
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10.1016/j.renene.2022.10.128 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001982.pica (DE-627)ELV059737107 (ELSEVIER)S0960-1481(22)01630-5 DE-627 ger DE-627 rakwb eng Ding, Xuanming verfasserin aut Thermo-mechanical behaviour of energy piles in overconsolidated clay under various mechanical loading levels and thermal cycles 2022transfer abstract 14 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Energy pile foundations play the dual role of providing structural support to buildings and acting as heat exchanger units. Thus, they are subjected to different mechanical loads from the buildings and the cyclic temperature changes encountered in optimized hybrid systems. However, the effects of mechanical loading levels on the thermo-mechanical behaviour of energy piles under cyclic temperature changes are still to be investigated fully. This paper fills this knowledge gap through a series of model scale tests where the effects of different mechanical loading levels were investigated over multiple cooling-heating cycles in over-consolidated saturated clay. In this respect, ten cooling-heating cycles were applied while the pile's head load was maintained at 0, 25%, and 50% of the pile's ultimate bearing capacity, respectively. After ten thermal cycles, the pile's normalized settlement reached 0.05%, 0.37%, and 1.19%, respectively. The ultimate bearing capacity was 555 N, 535 N, and 520 N, respectively. The results indicate that the increase in load levels exacerbates the irreversible settlement while reducing the bearing capacity of the piles. Moreover, it also affects the stress distribution within the pile and further develops internal tension. The results from this study can be used for qualitative analysis of energy pile design. Energy pile foundations play the dual role of providing structural support to buildings and acting as heat exchanger units. Thus, they are subjected to different mechanical loads from the buildings and the cyclic temperature changes encountered in optimized hybrid systems. However, the effects of mechanical loading levels on the thermo-mechanical behaviour of energy piles under cyclic temperature changes are still to be investigated fully. This paper fills this knowledge gap through a series of model scale tests where the effects of different mechanical loading levels were investigated over multiple cooling-heating cycles in over-consolidated saturated clay. In this respect, ten cooling-heating cycles were applied while the pile's head load was maintained at 0, 25%, and 50% of the pile's ultimate bearing capacity, respectively. After ten thermal cycles, the pile's normalized settlement reached 0.05%, 0.37%, and 1.19%, respectively. The ultimate bearing capacity was 555 N, 535 N, and 520 N, respectively. The results indicate that the increase in load levels exacerbates the irreversible settlement while reducing the bearing capacity of the piles. Moreover, it also affects the stress distribution within the pile and further develops internal tension. The results from this study can be used for qualitative analysis of energy pile design. Saturated clay Elsevier Mechanical loading Elsevier Energy pile Elsevier Thermal cycles Elsevier Thermo-mechanical responses Elsevier Zhang, Dingxin oth Bouazza, Abdelmalek oth Wang, Chenglong oth Kong, Gangqiang oth Enthalten in Elsevier Science HU, Yongle ELSEVIER Technologies and practice of CO 2019 an international journal : the official journal of WREN, The World Renewable Energy Network Amsterdam [u.a.] (DE-627)ELV002723662 volume:201 year:2022 pages:594-607 extent:14 https://doi.org/10.1016/j.renene.2022.10.128 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U AR 201 2022 594-607 14 |
| spelling |
10.1016/j.renene.2022.10.128 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001982.pica (DE-627)ELV059737107 (ELSEVIER)S0960-1481(22)01630-5 DE-627 ger DE-627 rakwb eng Ding, Xuanming verfasserin aut Thermo-mechanical behaviour of energy piles in overconsolidated clay under various mechanical loading levels and thermal cycles 2022transfer abstract 14 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Energy pile foundations play the dual role of providing structural support to buildings and acting as heat exchanger units. Thus, they are subjected to different mechanical loads from the buildings and the cyclic temperature changes encountered in optimized hybrid systems. However, the effects of mechanical loading levels on the thermo-mechanical behaviour of energy piles under cyclic temperature changes are still to be investigated fully. This paper fills this knowledge gap through a series of model scale tests where the effects of different mechanical loading levels were investigated over multiple cooling-heating cycles in over-consolidated saturated clay. In this respect, ten cooling-heating cycles were applied while the pile's head load was maintained at 0, 25%, and 50% of the pile's ultimate bearing capacity, respectively. After ten thermal cycles, the pile's normalized settlement reached 0.05%, 0.37%, and 1.19%, respectively. The ultimate bearing capacity was 555 N, 535 N, and 520 N, respectively. The results indicate that the increase in load levels exacerbates the irreversible settlement while reducing the bearing capacity of the piles. Moreover, it also affects the stress distribution within the pile and further develops internal tension. The results from this study can be used for qualitative analysis of energy pile design. Energy pile foundations play the dual role of providing structural support to buildings and acting as heat exchanger units. Thus, they are subjected to different mechanical loads from the buildings and the cyclic temperature changes encountered in optimized hybrid systems. However, the effects of mechanical loading levels on the thermo-mechanical behaviour of energy piles under cyclic temperature changes are still to be investigated fully. This paper fills this knowledge gap through a series of model scale tests where the effects of different mechanical loading levels were investigated over multiple cooling-heating cycles in over-consolidated saturated clay. In this respect, ten cooling-heating cycles were applied while the pile's head load was maintained at 0, 25%, and 50% of the pile's ultimate bearing capacity, respectively. After ten thermal cycles, the pile's normalized settlement reached 0.05%, 0.37%, and 1.19%, respectively. The ultimate bearing capacity was 555 N, 535 N, and 520 N, respectively. The results indicate that the increase in load levels exacerbates the irreversible settlement while reducing the bearing capacity of the piles. Moreover, it also affects the stress distribution within the pile and further develops internal tension. The results from this study can be used for qualitative analysis of energy pile design. Saturated clay Elsevier Mechanical loading Elsevier Energy pile Elsevier Thermal cycles Elsevier Thermo-mechanical responses Elsevier Zhang, Dingxin oth Bouazza, Abdelmalek oth Wang, Chenglong oth Kong, Gangqiang oth Enthalten in Elsevier Science HU, Yongle ELSEVIER Technologies and practice of CO 2019 an international journal : the official journal of WREN, The World Renewable Energy Network Amsterdam [u.a.] (DE-627)ELV002723662 volume:201 year:2022 pages:594-607 extent:14 https://doi.org/10.1016/j.renene.2022.10.128 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U AR 201 2022 594-607 14 |
| allfields_unstemmed |
10.1016/j.renene.2022.10.128 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001982.pica (DE-627)ELV059737107 (ELSEVIER)S0960-1481(22)01630-5 DE-627 ger DE-627 rakwb eng Ding, Xuanming verfasserin aut Thermo-mechanical behaviour of energy piles in overconsolidated clay under various mechanical loading levels and thermal cycles 2022transfer abstract 14 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Energy pile foundations play the dual role of providing structural support to buildings and acting as heat exchanger units. Thus, they are subjected to different mechanical loads from the buildings and the cyclic temperature changes encountered in optimized hybrid systems. However, the effects of mechanical loading levels on the thermo-mechanical behaviour of energy piles under cyclic temperature changes are still to be investigated fully. This paper fills this knowledge gap through a series of model scale tests where the effects of different mechanical loading levels were investigated over multiple cooling-heating cycles in over-consolidated saturated clay. In this respect, ten cooling-heating cycles were applied while the pile's head load was maintained at 0, 25%, and 50% of the pile's ultimate bearing capacity, respectively. After ten thermal cycles, the pile's normalized settlement reached 0.05%, 0.37%, and 1.19%, respectively. The ultimate bearing capacity was 555 N, 535 N, and 520 N, respectively. The results indicate that the increase in load levels exacerbates the irreversible settlement while reducing the bearing capacity of the piles. Moreover, it also affects the stress distribution within the pile and further develops internal tension. The results from this study can be used for qualitative analysis of energy pile design. Energy pile foundations play the dual role of providing structural support to buildings and acting as heat exchanger units. Thus, they are subjected to different mechanical loads from the buildings and the cyclic temperature changes encountered in optimized hybrid systems. However, the effects of mechanical loading levels on the thermo-mechanical behaviour of energy piles under cyclic temperature changes are still to be investigated fully. This paper fills this knowledge gap through a series of model scale tests where the effects of different mechanical loading levels were investigated over multiple cooling-heating cycles in over-consolidated saturated clay. In this respect, ten cooling-heating cycles were applied while the pile's head load was maintained at 0, 25%, and 50% of the pile's ultimate bearing capacity, respectively. After ten thermal cycles, the pile's normalized settlement reached 0.05%, 0.37%, and 1.19%, respectively. The ultimate bearing capacity was 555 N, 535 N, and 520 N, respectively. The results indicate that the increase in load levels exacerbates the irreversible settlement while reducing the bearing capacity of the piles. Moreover, it also affects the stress distribution within the pile and further develops internal tension. The results from this study can be used for qualitative analysis of energy pile design. Saturated clay Elsevier Mechanical loading Elsevier Energy pile Elsevier Thermal cycles Elsevier Thermo-mechanical responses Elsevier Zhang, Dingxin oth Bouazza, Abdelmalek oth Wang, Chenglong oth Kong, Gangqiang oth Enthalten in Elsevier Science HU, Yongle ELSEVIER Technologies and practice of CO 2019 an international journal : the official journal of WREN, The World Renewable Energy Network Amsterdam [u.a.] (DE-627)ELV002723662 volume:201 year:2022 pages:594-607 extent:14 https://doi.org/10.1016/j.renene.2022.10.128 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U AR 201 2022 594-607 14 |
| allfieldsGer |
10.1016/j.renene.2022.10.128 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001982.pica (DE-627)ELV059737107 (ELSEVIER)S0960-1481(22)01630-5 DE-627 ger DE-627 rakwb eng Ding, Xuanming verfasserin aut Thermo-mechanical behaviour of energy piles in overconsolidated clay under various mechanical loading levels and thermal cycles 2022transfer abstract 14 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Energy pile foundations play the dual role of providing structural support to buildings and acting as heat exchanger units. Thus, they are subjected to different mechanical loads from the buildings and the cyclic temperature changes encountered in optimized hybrid systems. However, the effects of mechanical loading levels on the thermo-mechanical behaviour of energy piles under cyclic temperature changes are still to be investigated fully. This paper fills this knowledge gap through a series of model scale tests where the effects of different mechanical loading levels were investigated over multiple cooling-heating cycles in over-consolidated saturated clay. In this respect, ten cooling-heating cycles were applied while the pile's head load was maintained at 0, 25%, and 50% of the pile's ultimate bearing capacity, respectively. After ten thermal cycles, the pile's normalized settlement reached 0.05%, 0.37%, and 1.19%, respectively. The ultimate bearing capacity was 555 N, 535 N, and 520 N, respectively. The results indicate that the increase in load levels exacerbates the irreversible settlement while reducing the bearing capacity of the piles. Moreover, it also affects the stress distribution within the pile and further develops internal tension. The results from this study can be used for qualitative analysis of energy pile design. Energy pile foundations play the dual role of providing structural support to buildings and acting as heat exchanger units. Thus, they are subjected to different mechanical loads from the buildings and the cyclic temperature changes encountered in optimized hybrid systems. However, the effects of mechanical loading levels on the thermo-mechanical behaviour of energy piles under cyclic temperature changes are still to be investigated fully. This paper fills this knowledge gap through a series of model scale tests where the effects of different mechanical loading levels were investigated over multiple cooling-heating cycles in over-consolidated saturated clay. In this respect, ten cooling-heating cycles were applied while the pile's head load was maintained at 0, 25%, and 50% of the pile's ultimate bearing capacity, respectively. After ten thermal cycles, the pile's normalized settlement reached 0.05%, 0.37%, and 1.19%, respectively. The ultimate bearing capacity was 555 N, 535 N, and 520 N, respectively. The results indicate that the increase in load levels exacerbates the irreversible settlement while reducing the bearing capacity of the piles. Moreover, it also affects the stress distribution within the pile and further develops internal tension. The results from this study can be used for qualitative analysis of energy pile design. Saturated clay Elsevier Mechanical loading Elsevier Energy pile Elsevier Thermal cycles Elsevier Thermo-mechanical responses Elsevier Zhang, Dingxin oth Bouazza, Abdelmalek oth Wang, Chenglong oth Kong, Gangqiang oth Enthalten in Elsevier Science HU, Yongle ELSEVIER Technologies and practice of CO 2019 an international journal : the official journal of WREN, The World Renewable Energy Network Amsterdam [u.a.] (DE-627)ELV002723662 volume:201 year:2022 pages:594-607 extent:14 https://doi.org/10.1016/j.renene.2022.10.128 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U AR 201 2022 594-607 14 |
| allfieldsSound |
10.1016/j.renene.2022.10.128 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001982.pica (DE-627)ELV059737107 (ELSEVIER)S0960-1481(22)01630-5 DE-627 ger DE-627 rakwb eng Ding, Xuanming verfasserin aut Thermo-mechanical behaviour of energy piles in overconsolidated clay under various mechanical loading levels and thermal cycles 2022transfer abstract 14 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Energy pile foundations play the dual role of providing structural support to buildings and acting as heat exchanger units. Thus, they are subjected to different mechanical loads from the buildings and the cyclic temperature changes encountered in optimized hybrid systems. However, the effects of mechanical loading levels on the thermo-mechanical behaviour of energy piles under cyclic temperature changes are still to be investigated fully. This paper fills this knowledge gap through a series of model scale tests where the effects of different mechanical loading levels were investigated over multiple cooling-heating cycles in over-consolidated saturated clay. In this respect, ten cooling-heating cycles were applied while the pile's head load was maintained at 0, 25%, and 50% of the pile's ultimate bearing capacity, respectively. After ten thermal cycles, the pile's normalized settlement reached 0.05%, 0.37%, and 1.19%, respectively. The ultimate bearing capacity was 555 N, 535 N, and 520 N, respectively. The results indicate that the increase in load levels exacerbates the irreversible settlement while reducing the bearing capacity of the piles. Moreover, it also affects the stress distribution within the pile and further develops internal tension. The results from this study can be used for qualitative analysis of energy pile design. Energy pile foundations play the dual role of providing structural support to buildings and acting as heat exchanger units. Thus, they are subjected to different mechanical loads from the buildings and the cyclic temperature changes encountered in optimized hybrid systems. However, the effects of mechanical loading levels on the thermo-mechanical behaviour of energy piles under cyclic temperature changes are still to be investigated fully. This paper fills this knowledge gap through a series of model scale tests where the effects of different mechanical loading levels were investigated over multiple cooling-heating cycles in over-consolidated saturated clay. In this respect, ten cooling-heating cycles were applied while the pile's head load was maintained at 0, 25%, and 50% of the pile's ultimate bearing capacity, respectively. After ten thermal cycles, the pile's normalized settlement reached 0.05%, 0.37%, and 1.19%, respectively. The ultimate bearing capacity was 555 N, 535 N, and 520 N, respectively. The results indicate that the increase in load levels exacerbates the irreversible settlement while reducing the bearing capacity of the piles. Moreover, it also affects the stress distribution within the pile and further develops internal tension. The results from this study can be used for qualitative analysis of energy pile design. Saturated clay Elsevier Mechanical loading Elsevier Energy pile Elsevier Thermal cycles Elsevier Thermo-mechanical responses Elsevier Zhang, Dingxin oth Bouazza, Abdelmalek oth Wang, Chenglong oth Kong, Gangqiang oth Enthalten in Elsevier Science HU, Yongle ELSEVIER Technologies and practice of CO 2019 an international journal : the official journal of WREN, The World Renewable Energy Network Amsterdam [u.a.] (DE-627)ELV002723662 volume:201 year:2022 pages:594-607 extent:14 https://doi.org/10.1016/j.renene.2022.10.128 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U AR 201 2022 594-607 14 |
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Thus, they are subjected to different mechanical loads from the buildings and the cyclic temperature changes encountered in optimized hybrid systems. However, the effects of mechanical loading levels on the thermo-mechanical behaviour of energy piles under cyclic temperature changes are still to be investigated fully. This paper fills this knowledge gap through a series of model scale tests where the effects of different mechanical loading levels were investigated over multiple cooling-heating cycles in over-consolidated saturated clay. In this respect, ten cooling-heating cycles were applied while the pile's head load was maintained at 0, 25%, and 50% of the pile's ultimate bearing capacity, respectively. After ten thermal cycles, the pile's normalized settlement reached 0.05%, 0.37%, and 1.19%, respectively. The ultimate bearing capacity was 555 N, 535 N, and 520 N, respectively. 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thermo-mechanical behaviour of energy piles in overconsolidated clay under various mechanical loading levels and thermal cycles |
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Thermo-mechanical behaviour of energy piles in overconsolidated clay under various mechanical loading levels and thermal cycles |
| abstract |
Energy pile foundations play the dual role of providing structural support to buildings and acting as heat exchanger units. Thus, they are subjected to different mechanical loads from the buildings and the cyclic temperature changes encountered in optimized hybrid systems. However, the effects of mechanical loading levels on the thermo-mechanical behaviour of energy piles under cyclic temperature changes are still to be investigated fully. This paper fills this knowledge gap through a series of model scale tests where the effects of different mechanical loading levels were investigated over multiple cooling-heating cycles in over-consolidated saturated clay. In this respect, ten cooling-heating cycles were applied while the pile's head load was maintained at 0, 25%, and 50% of the pile's ultimate bearing capacity, respectively. After ten thermal cycles, the pile's normalized settlement reached 0.05%, 0.37%, and 1.19%, respectively. The ultimate bearing capacity was 555 N, 535 N, and 520 N, respectively. The results indicate that the increase in load levels exacerbates the irreversible settlement while reducing the bearing capacity of the piles. Moreover, it also affects the stress distribution within the pile and further develops internal tension. The results from this study can be used for qualitative analysis of energy pile design. |
| abstractGer |
Energy pile foundations play the dual role of providing structural support to buildings and acting as heat exchanger units. Thus, they are subjected to different mechanical loads from the buildings and the cyclic temperature changes encountered in optimized hybrid systems. However, the effects of mechanical loading levels on the thermo-mechanical behaviour of energy piles under cyclic temperature changes are still to be investigated fully. This paper fills this knowledge gap through a series of model scale tests where the effects of different mechanical loading levels were investigated over multiple cooling-heating cycles in over-consolidated saturated clay. In this respect, ten cooling-heating cycles were applied while the pile's head load was maintained at 0, 25%, and 50% of the pile's ultimate bearing capacity, respectively. After ten thermal cycles, the pile's normalized settlement reached 0.05%, 0.37%, and 1.19%, respectively. The ultimate bearing capacity was 555 N, 535 N, and 520 N, respectively. The results indicate that the increase in load levels exacerbates the irreversible settlement while reducing the bearing capacity of the piles. Moreover, it also affects the stress distribution within the pile and further develops internal tension. The results from this study can be used for qualitative analysis of energy pile design. |
| abstract_unstemmed |
Energy pile foundations play the dual role of providing structural support to buildings and acting as heat exchanger units. Thus, they are subjected to different mechanical loads from the buildings and the cyclic temperature changes encountered in optimized hybrid systems. However, the effects of mechanical loading levels on the thermo-mechanical behaviour of energy piles under cyclic temperature changes are still to be investigated fully. This paper fills this knowledge gap through a series of model scale tests where the effects of different mechanical loading levels were investigated over multiple cooling-heating cycles in over-consolidated saturated clay. In this respect, ten cooling-heating cycles were applied while the pile's head load was maintained at 0, 25%, and 50% of the pile's ultimate bearing capacity, respectively. After ten thermal cycles, the pile's normalized settlement reached 0.05%, 0.37%, and 1.19%, respectively. The ultimate bearing capacity was 555 N, 535 N, and 520 N, respectively. The results indicate that the increase in load levels exacerbates the irreversible settlement while reducing the bearing capacity of the piles. Moreover, it also affects the stress distribution within the pile and further develops internal tension. The results from this study can be used for qualitative analysis of energy pile design. |
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Thermo-mechanical behaviour of energy piles in overconsolidated clay under various mechanical loading levels and thermal cycles |
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Zhang, Dingxin Bouazza, Abdelmalek Wang, Chenglong Kong, Gangqiang |
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