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A platform for research: civil engineering, architecture and urbanism
Offshore single pile foundation and construction method thereof
The invention discloses an offshore single pile foundation and a construction method thereof, the offshore single pile foundation comprises a single pile body, the single pile body is provided with a central through hole, the single pile body comprises a first section, a reducing section and a second section, the cross sectional area of the reducing section is gradually reduced in the direction from the first section to the second section, and a slurry layer is arranged in the first section and/or the reducing section. According to the offshore single-pile foundation, in the pile driving process, when the single-pile body moves downwards, the soil body outside the variable-diameter section is extruded to apply upward acting force to the single-pile body, and therefore the vertical bearing capacity of the single-pile body is increased. And moreover, after piling is completed, when the single pile body tends to move upwards, the slurry layer can become a balance weight of the single pile body, the weight of the single pile body is increased through phase change of the slope structure of the variable-diameter section, and then the uplift bearing capacity of the single pile body is increased. Therefore, by increasing the vertical and uplift bearing capacity of the single pile body, the safety of a unit in the operation period is further guaranteed.
本发明公开了一种海上单桩基础及其施工方法，所述海上单桩基础包括单桩本体，单桩本体具有中心通孔，单桩本体包括第一段、变径段和第二段，变径段的横截面积沿第一段朝第二段的方向逐渐缩小，第一段和/或变径段内设有浆料层。本发明的海上单桩基础，在打桩过程中，单桩本体向下运动时，变径段外部的土体受挤压会给单桩本体一个向上的作用力，从而增加单桩本体的竖向承载力。并且，当打桩完成后，单桩本体有向上运动的趋势时，浆料层会成为单桩本体的配重，通过变径段的斜面结构变相使单桩本体的重量增加，进而增加单桩本体的抗拔承载力。由此，通过增加单桩本体的竖向和抗拔承载力，进一步保障机组运行期的安全。
Offshore single pile foundation and construction method thereof
The invention discloses an offshore single pile foundation and a construction method thereof, the offshore single pile foundation comprises a single pile body, the single pile body is provided with a central through hole, the single pile body comprises a first section, a reducing section and a second section, the cross sectional area of the reducing section is gradually reduced in the direction from the first section to the second section, and a slurry layer is arranged in the first section and/or the reducing section. According to the offshore single-pile foundation, in the pile driving process, when the single-pile body moves downwards, the soil body outside the variable-diameter section is extruded to apply upward acting force to the single-pile body, and therefore the vertical bearing capacity of the single-pile body is increased. And moreover, after piling is completed, when the single pile body tends to move upwards, the slurry layer can become a balance weight of the single pile body, the weight of the single pile body is increased through phase change of the slope structure of the variable-diameter section, and then the uplift bearing capacity of the single pile body is increased. Therefore, by increasing the vertical and uplift bearing capacity of the single pile body, the safety of a unit in the operation period is further guaranteed.
本发明公开了一种海上单桩基础及其施工方法，所述海上单桩基础包括单桩本体，单桩本体具有中心通孔，单桩本体包括第一段、变径段和第二段，变径段的横截面积沿第一段朝第二段的方向逐渐缩小，第一段和/或变径段内设有浆料层。本发明的海上单桩基础，在打桩过程中，单桩本体向下运动时，变径段外部的土体受挤压会给单桩本体一个向上的作用力，从而增加单桩本体的竖向承载力。并且，当打桩完成后，单桩本体有向上运动的趋势时，浆料层会成为单桩本体的配重，通过变径段的斜面结构变相使单桩本体的重量增加，进而增加单桩本体的抗拔承载力。由此，通过增加单桩本体的竖向和抗拔承载力，进一步保障机组运行期的安全。
Offshore single pile foundation and construction method thereof
一种海上单桩基础及其施工方法
YAO ZHONGYUAN (author) / ZHAO HAO (author) / QIU XU (author) / LIU XIN (author) / ZHAO JIANJIAN (author) / HU HAO (author) / LI DONG (author) / LIU HONGYUN (author) / ZHU LEI (author) / YANG RUI (author)
2024-10-22
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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