Experimental Study on the Negative Skin Friction of the Pile Group Induced by Rising and Lowering the Groundwater Level
Negative skin friction (NSF) has been one of the important factors in the design of pile foundation; especially, the influence of water level on the pile negative skin friction should be paid attention. In this paper, a series of model tests were carried out to analyze the bearing characteristic of...
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| Format: | Article |
| Language: | English |
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Wiley
2021-01-01
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| Series: | Advances in Civil Engineering |
| Online Access: | http://dx.doi.org/10.1155/2021/2574727 |
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| author | Yu Zhang Li-Pei Zhou Ming-Yuan Wang Xuanming Ding Chenglong Wang |
| author_facet | Yu Zhang Li-Pei Zhou Ming-Yuan Wang Xuanming Ding Chenglong Wang |
| author_sort | Yu Zhang |
| collection | DOAJ |
| description | Negative skin friction (NSF) has been one of the important factors in the design of pile foundation; especially, the influence of water level on the pile negative skin friction should be paid attention. In this paper, a series of model tests were carried out to analyze the bearing characteristic of the pile group influenced by groundwater level. The pile axial force and negative skin friction, settlement, and soil pore pressure were investigated. The results showed that both the water level rising and lowering cycle could increase the axial force of the pile along the upper part of the pile, yet reducing it along the lower part of the pile; both the axial force and the negative skin friction of the pile presented a feature of time effect; the value of negative skin friction was positively correlated with that of the pile head load, and the neutral plane ranged from 0.57 L to 0.64 L as the water level changed; the soil featured settling in layers, and the change of pore water pressure was accordant with the water level changing regulation. |
| format | Article |
| id | doaj-art-6ef652e818f3400ea52e636d1d53b8bc |
| institution | Kabale University |
| issn | 1687-8086 1687-8094 |
| language | English |
| publishDate | 2021-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advances in Civil Engineering |
| spelling | doaj-art-6ef652e818f3400ea52e636d1d53b8bc2025-02-03T01:24:54ZengWileyAdvances in Civil Engineering1687-80861687-80942021-01-01202110.1155/2021/25747272574727Experimental Study on the Negative Skin Friction of the Pile Group Induced by Rising and Lowering the Groundwater LevelYu Zhang0Li-Pei Zhou1Ming-Yuan Wang2Xuanming Ding3Chenglong Wang4College of Civil Engineering, Chongqing University, Chongqing 400045, ChinaPowerchina Huadong Engineering Corporation Limited, Hangzhou 310014, ChinaPowerchina Huadong Engineering Corporation Limited, Hangzhou 310014, ChinaCollege of Civil Engineering, Chongqing University, Chongqing 400045, ChinaCollege of Civil Engineering, Chongqing University, Chongqing 400045, ChinaNegative skin friction (NSF) has been one of the important factors in the design of pile foundation; especially, the influence of water level on the pile negative skin friction should be paid attention. In this paper, a series of model tests were carried out to analyze the bearing characteristic of the pile group influenced by groundwater level. The pile axial force and negative skin friction, settlement, and soil pore pressure were investigated. The results showed that both the water level rising and lowering cycle could increase the axial force of the pile along the upper part of the pile, yet reducing it along the lower part of the pile; both the axial force and the negative skin friction of the pile presented a feature of time effect; the value of negative skin friction was positively correlated with that of the pile head load, and the neutral plane ranged from 0.57 L to 0.64 L as the water level changed; the soil featured settling in layers, and the change of pore water pressure was accordant with the water level changing regulation.http://dx.doi.org/10.1155/2021/2574727 |
| spellingShingle | Yu Zhang Li-Pei Zhou Ming-Yuan Wang Xuanming Ding Chenglong Wang Experimental Study on the Negative Skin Friction of the Pile Group Induced by Rising and Lowering the Groundwater Level Advances in Civil Engineering |
| title | Experimental Study on the Negative Skin Friction of the Pile Group Induced by Rising and Lowering the Groundwater Level |
| title_full | Experimental Study on the Negative Skin Friction of the Pile Group Induced by Rising and Lowering the Groundwater Level |
| title_fullStr | Experimental Study on the Negative Skin Friction of the Pile Group Induced by Rising and Lowering the Groundwater Level |
| title_full_unstemmed | Experimental Study on the Negative Skin Friction of the Pile Group Induced by Rising and Lowering the Groundwater Level |
| title_short | Experimental Study on the Negative Skin Friction of the Pile Group Induced by Rising and Lowering the Groundwater Level |
| title_sort | experimental study on the negative skin friction of the pile group induced by rising and lowering the groundwater level |
| url | http://dx.doi.org/10.1155/2021/2574727 |
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