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An excavation-free construction method for an offshore bucket foundation

A barrel-shaped foundation and construction method technology, applied in the field of offshore foundations, can solve the problems of inclined and sinking offshore barrel-shaped foundations, high construction technical requirements, and long construction period, so as to shorten the construction period, increase self-weight, The effect of saving construction cost and construction period

Active Publication Date: 2019-10-15
ZHEJIANG UNIV CITY COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the sinking installation of the traditional open bucket foundation generally has problems such as long construction period, high construction technology requirements, and difficulty in tilting or sinking the offshore bucket foundation. Risk of quicksand during sinking

Method used

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  • An excavation-free construction method for an offshore bucket foundation
  • An excavation-free construction method for an offshore bucket foundation
  • An excavation-free construction method for an offshore bucket foundation

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Embodiment Construction

[0040] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0041] Such as Figure 1-4, shown in Fig. 5 (a), the offshore barrel type foundation 1 in the present embodiment comprises the offshore type barrel type foundation main body 1-1 and the offshore type barrel type foundation blade foot 1-2; The bottom of the type foundation 1 is provided with an offshore barrel-type foundation blade foot 1-2, and a horizontal annular steel plate is arranged above the offshore bucket-type foundation blade foot 1-2, which is used to support the suction cylinder 3 on the one hand, and can improve the The strength and rigidity of the connection between the main body 1-1 of the offshore bucket foundation and the blade foot 1-2 of the offshore bucket foundation; Grouting in the cavity to form a grouting body 1-3, which is used to increase the weight of the offshore barrel foundation 1 and increase the stability of th...

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Abstract

The invention discloses an excavation-free construction method for an off-shore bucket foundation. The suction bucket technology is adopted to install the off-shore bucket foundation, the off-shore bucket foundation is mounted without excavation or sinking and directly formed in a seabed or a riverbed, fast and safe construction of the off-shore bucket foundation is realized, and the impacts on the surrounding environment of a construction site of the off-shore bucket foundation are small. Soil bodies in the off-shore bucket foundation do not need to excavate, improved treatment of the soil bodies in the bucket foundation is conducted directly by throwing block stones, grouting and other methods, and the construction period of the foundation is beneficially shortened. The thrown block stones have the effects of compacting blade feet of the off-shore bucket foundation and increasing the self-gravity of the off-shore bucket foundation, and is beneficial for improving the integrality andthe stability of the off-shore bucket foundation. The off-shore bucket foundation is an open bucket foundation, batch production and installation of large-size bucket foundations are easily realized,and the excavation-free construction method can be applied to ocean construction projects such as large ports, bulwarks, cofferdams and islands in the sea.

Description

technical field [0001] The invention relates to the technical field of offshore foundations in marine geotechnical engineering, in particular to an excavation-free construction method for offshore bucket foundations. Background technique [0002] With my country's strategic deployment of building a powerful marine country and developing marine economy, in order to improve the ability to develop marine resources and accelerate the pace of economic development in marine regions, my country has vigorously promoted coastline protection, harbor construction, important island construction, offshore engineering and offshore engineering, etc. The progress of various marine projects, offshore bucket foundations have played an important role in these projects. [0003] At present, offshore barrel foundations are widely used in oil production platform foundations, wind power tower foundations, breakwater foundations, port or wharf revetments, artificial island walls and revetments, coff...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D27/52E02D15/06
Inventor 章丽莎魏新江张世民孙苗苗蒋吉清丁智王新泉王霄
Owner ZHEJIANG UNIV CITY COLLEGE
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