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Structural Design Optimization of Double Row Steel Sheet Pile Cofferdam Based on Deformation Control
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Qing-quan ZHOU1, Zhen-yu LI2, Yi JIANG1
Water Resources and Power | 2023, 41(11) : 121 - 124
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Water Resources and Power | 2023, 41(11): 121-124
• WATER CONSERVANCY AND HYDROPOWER ENGINEERING •
Structural Design Optimization of Double Row Steel Sheet Pile Cofferdam Based on Deformation Control
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Qing-quan ZHOU1, Zhen-yu LI2, Yi JIANG1
Affiliations
  • 1.CCCC Third Harbor Consultants Co., Ltd., Shanghai 200032, China
  • 2.The Third Engineering Company of CCCC Second Harbor Engineering Co., Ltd., Zhenjiang 212000, China
Published: 2023-11-25 doi: 10.20040/j.cnki.1000-7709.2023.20230117
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To ensure the structural safety of the double row steel sheet pile cofferdam and control its water use area, the single-factor sensitivity analysis method was carried out to study the impact of various items on the deformation of cofferdam, and the PLAXIS software was used to implement the 2D and 3D finite element calculation. The results show that the elevation and tension of tie rod, and the specification of steel sheet pile have little impact on the deformation of cofferdam in soil; Compared with the width of the cofferdam itself, the deformation of cofferdam is more affected by the width of inner foot, so the width of the inner foot should be increased as much as possible; The depth of the outer sheet pile has no obvious impact on the deformation of the cofferdam, so that it can be reduced appropriately, and the depth of the inner sheet pile can be increased; The effect of the transverse structure on controlling the deformation of the cofferdam is not obvious, and other measures can be taken to strengthen the connection between the inner and outer sheet pile. The research ideas and calculation results can provide reference for structural design optimization of steel cofferdam in similar projects.

double-row steel sheet pile cofferdam  /  depth of sheet pile  /  width of cofferdam  /  width of inner foot  /  transverse structure
Qing-quan ZHOU, Zhen-yu LI, Yi JIANG. Structural Design Optimization of Double Row Steel Sheet Pile Cofferdam Based on Deformation Control[J]. Water Resources and Power, 2023 , 41 (11) : 121 -124 . DOI: 10.20040/j.cnki.1000-7709.2023.20230117
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Year 2023 volume 41 Issue 11
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Article Info
doi: 10.20040/j.cnki.1000-7709.2023.20230117
  • Receive Date：2023-01-01
  • Online Date：2026-01-27
  • Published：2023-11-25
Article Data
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History
  • Received：2023-01-01
  • Revised：2023-02-17
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Affiliations
    1.CCCC Third Harbor Consultants Co., Ltd., Shanghai 200032, China
    2.The Third Engineering Company of CCCC Second Harbor Engineering Co., Ltd., Zhenjiang 212000, China
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https://castjournals.cast.org.cn/joweb/sdnykx/EN/10.20040/j.cnki.1000-7709.2023.20230117
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Citations
表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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