Thin-wall steel suction bucket base with reinforcing tubes and mounting method for thin-wall steel suction bucket base

A technology for strengthening pipes and suction barrels, applied in infrastructure engineering, construction, etc., can solve the problems of increased resistance at the end of the barrel and low resistance reduction efficiency of the bearing ring.

Inactive Publication Date: 2018-06-01
HOHAI UNIV
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Problems solved by technology

[0006] In order to solve the existing problems of low resistance reduction efficiency, only applicable to foundations with large wall thickness, and increased resistance at the bucket end by the load-bearing ring, the present invention provides a thin-walled steel suction bucket with a reinforced tube. The foundation and its i

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  • Thin-wall steel suction bucket base with reinforcing tubes and mounting method for thin-wall steel suction bucket base
  • Thin-wall steel suction bucket base with reinforcing tubes and mounting method for thin-wall steel suction bucket base
  • Thin-wall steel suction bucket base with reinforcing tubes and mounting method for thin-wall steel suction bucket base

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Embodiment Construction

[0027] The present invention will be further explained below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the following specific embodiments are only used to illustrate the present invention but not to limit the scope of the present invention.

[0028] figure 1 It is a schematic diagram of a three-dimensional structure of the present invention, figure 2 It is a longitudinal center sectional view of the present invention, image 3 It is a longitudinal central sectional view of the present invention, Figure 4 It is a top view of the present invention, and the names of parts marked in the figure are: connecting rod 1, barrel cover 2, barrel wall 3, self-weight pneumatic valve 4, vacuum pump pneumatic valve 5, water delivery valve 6, reinforcing pipe 7, and water outlet hole 8.

[0029] It can be seen from the accompanying drawings that the suction bucket foundation with a reinforced tube includes a bucket body, the top ...

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Abstract

The invention discloses a thin-wall steel suction bucket base with reinforcing tubes and a mounting method for the thin-wall steel suction bucket base. The suction bucket base comprises a bucket bodyjet-flow system, wherein the jet-flow system comprises the plurality of reinforcing tubes which are axially arranged at the periphery of the bucket body; water conveying valves are arranged on the tops of the reinforcing tubes for communicating with an external high-pressure water conveying system; and water outlets are formed in the bottoms of the reinforcing tubes. The mounting method comprisesthe following steps: step 1, sinking the suction bucket base under action of dead load; step 2, conveying water into the reinforcing tubes; step 3, correcting errors of the suction bucket base; step 4, sinking under high pressure; step 5, sinking to a specified depth; and step 6, correcting the errors again. The mounting method can be used for directly scattering a bottom soil body, is suitable for the thin-wall steel suction bucket base, increases bucket-end resistance with relatively small extent, and improves strength and buckling resistance of the bucket body through the reinforcing tubes.

Description

technical field [0001] The invention relates to a thin-walled steel suction barrel foundation with a reinforced pipe and an installation method thereof, belonging to the technical field of marine foundation bearing devices. Background technique [0002] Suction barrel foundation is a kind of marine foundation, which has the advantages of fast installation speed and relatively low cost, and is widely used as the foundation of offshore wind power and offshore oil platforms. The foundation of the suction barrel sinks to the specified depth through its own weight and negative pressure. Effectively reducing the sinking resistance during the sinking process is the key factor for the success of the installation. The method for reducing the sinking resistance of the existing suction barrel foundation is mainly to spray high-pressure water flow inside the barrel, the barrel wall, and outside the barrel to disperse the bottom soil, thereby reducing the sinking resistance. However, th...

Claims

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Application Information

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IPC IPC(8): E02D27/24
CPCE02D27/24
Inventor 刘金忠朱珍德王保田陈旭光阙相成张聪龚超何燕新
Owner HOHAI UNIV
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