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Combined marine six-pontoon floating box foundation structure and construction method thereof

A floating box foundation, combined technology, applied in the direction of infrastructure engineering, floating buildings, buildings, etc., can solve the problems of restricting the development of tubular foundations, buckling of steel structures such as skirts, and difficulty in leveling control, and achieves increased resistance to Slip stability, improved lateral stiffness, small waterplane area effect

Pending Publication Date: 2018-02-02
TIANJIN UNIV
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  • Application Information

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Problems solved by technology

However, the sinking process of the cylindrical foundation with a large aspect ratio has the problems of insufficient sinking and difficult leveling control. At the same time, there are problems such as buckling of steel structures such as skirt boards under working conditions, which also restricts the performance of the cylindrical foundation. develop

Method used

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  • Combined marine six-pontoon floating box foundation structure and construction method thereof
  • Combined marine six-pontoon floating box foundation structure and construction method thereof
  • Combined marine six-pontoon floating box foundation structure and construction method thereof

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Embodiment Construction

[0035] In order to further understand the invention content, characteristics and effects of the present invention, the following examples are given, and detailed descriptions are as follows in conjunction with the accompanying drawings:

[0036] Such as Figure 1 to Figure 3 As shown, this embodiment discloses a combined offshore six-pontoon pontoon foundation structure, which mainly includes six identical buoys 1 , six identical pontoons 2 , and a transition section tower 3 .

[0037] The six buoys 1 are connected successively according to their center points on the horizontal plane and can be arranged in a regular hexagon.

[0038] Such as Figure 4 As shown, each buoy 1 is composed of a buoy top cover 11, a cylinder wall 12, a tube skirt 13, a radial rib 14, a circumferential rib 15, a subdivision plate 16, and a buoy bottom cover 17, wherein the buoy bottom cover 17 and other The parts are not fixedly connected and are only used during transportation. The upper edge of ...

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Abstract

The invention belongs to the technical field of foundation structures of marine engineering, and discloses a combined marine six-pontoon floating box foundation structure and a construction method thereof. The combined marine six-pontoon floating box foundation structure comprises six pontoons, wherein the six pontoons are arranged in the way that the six pontoons are connected in sequence in thehorizontal plane according to the center points of the six pontoons to define a regular hexagon. A floating box is connected between the every two adjacent pontoons. Each floating box penetrates through the axes of the corresponding pontoons at the two ends of each floating box along the center line of the length direction. The pontoons and the upper parts of the floating boxes are connected witha transition section tower frame. The transition section tower frame is used for being connected with upper wind power equipment. The construction method of the combined marine six-pontoon floating box foundation structure comprises the steps of structure prefabricating, initial adjustment preparation, water consignment, foundation water entry, negative pressure penetration, grouting ballasting, supper structure mounting and recycling and utilizing. The combined marine six-pontoon floating box foundation structure has the characteristics of having a gravity foundation and a suction-barrel-typefoundation, the bearing capacity is improved while the transporting and mounting method is simple and convenient, recycling and reusing can be achieved, and the construction cost is greatly reduced.

Description

technical field [0001] The invention belongs to the technical field of basic structure of ocean engineering, in particular, it relates to a basic structure applied to offshore wind power and offshore wind measurement facilities and its construction method, which realizes the integration of overall assembly, transportation control, sinking installation and recovery. chemical work. Background technique [0002] The development of offshore wind farms has gradually received more and more attention and participation. The construction of offshore wind farms needs to consider the basic structure of equipment installation, typical important structures such as offshore wind measuring towers and offshore wind turbines. The traditional foundation types include gravity foundation and single pile foundation. At present, most of the foundation types used include steel pipe pile foundation (wind measuring tower), tripod foundation, jacket foundation and suction cylinder foundation (wind tu...

Claims

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Application Information

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IPC IPC(8): E02D27/42B63B35/44
CPCE02D27/425B63B35/44Y02E10/727
Inventor 丁红岩胡睿奇张浦阳练继建
Owner TIANJIN UNIV
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