A multi-tube composite foundation structure with supporting structure and its construction method

A technology of supporting structures and combined foundations, applied in infrastructure engineering, installation/supporting configuration of wind turbines, integration of renewable energy, etc., can solve problems such as unreasonable force transmission system, high cost, stress concentration of offshore wind power infrastructure, etc.

Active Publication Date: 2021-06-04
TIANJIN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The present invention focuses on solving the technical problems such as stress concentration, high cost, and unreasonable force transmission system of the current offshore wind power foundation structure, and provides a multi-tube composite foundation structure with a support structure and its construction method, aiming at the original multi-tube foundation The optimized design of the structure makes the wall thickness thinner, the self-weight lighter, the force transmission system more reasonable, the stress concentration phenomenon less, the installation and transportation are convenient, the application range is wide, and the cost is lower

Method used

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  • A multi-tube composite foundation structure with supporting structure and its construction method
  • A multi-tube composite foundation structure with supporting structure and its construction method
  • A multi-tube composite foundation structure with supporting structure and its construction method

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Embodiment Construction

[0037]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:

[0038] Such as Figure 1 to Figure 4 As shown, this embodiment discloses a multi-tube combined foundation structure with a support structure, including multiple identical steel tubes 1, steel roof 2, concrete slab 3, outer ring beam 4, middle ring beam 5, and inner ring beam 6 , concrete main beam 7, first concrete secondary beam 8-1, second concrete secondary beam 8-2, concrete transition section 9, support structure 10.

[0039] Such as Figure 4 As shown, a plurality of identical steel cylinders 1 can be arranged in a circle according to the line connecting their center points on the horizontal plane, and every two adjacent steel cylinders 1 are welded together to increase the overall rigidity of the foundation and reduce the Little buckl...

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Abstract

The invention belongs to the technical field of foundation structures of marine engineering, and discloses a multi-cylinder combined foundation structure with a support structure and a construction method thereof. Connect the steel roof, set the concrete slab on the steel roof, set the outer ring beam, the middle ring beam, the inner ring beam, the concrete main beam, the first concrete secondary beam, the second concrete secondary beam on the top of the concrete slab, and connect the concrete transition section on the upper part of the middle ring beam , the supporting structure is set inside the concrete transition section; its construction method includes steps such as land prefabrication, shore hoisting, water towing, negative pressure sinking, and negative pressure reinforcement. The invention has the advantages of gravity foundation and cylinder foundation, wide application range, convenient transportation and installation, recyclable utilization and high bearing capacity. Tensile and compressive stress can also be used as a gravity structure, which resists the upper load through its own gravity.

Description

technical field [0001] The invention relates to the technical field of foundation structure of marine engineering, in particular to a multi-tube composite foundation structure and a construction method thereof. Background technique [0002] The cylindrical foundation is also called suction anchor and air cushion structure, which is a new type of structure. Compared with the traditional pile foundation, it has the advantages of saving the cost of construction and installation, convenient transportation and installation, reusable, short construction time of the cylindrical foundation, simple survey and research required for construction, etc., so it has a wide application prospect. Barrel foundations can be divided into single barrel foundations, multi-barrel foundations and composite barrel foundations. The design of the multi-tube foundation combines the advantages of low cost and strong bearing capacity of the gravity structure with the above-mentioned advantages of the cy...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F03D13/25E02D27/42E02D27/52
CPCE02D27/42E02D27/52Y02B10/30
Inventor 丁红岩陈青山张浦阳乐丛欢郭耀华
Owner TIANJIN UNIV
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