Combined basic structural system of three cylinder type foundations with support
A technology of combined foundation and cylindrical foundation, which is applied in the field of foundation structure where multiple cylinders are combined to optimize the force of the cylindrical foundation, and can solve the complex environment of offshore wind power generation foundation structure, many construction constraints of large-diameter single-tube foundation, and tube foundation. Solve problems such as large diameter of the type foundation, achieve a clear force system, avoid excessive differences in internal forces, and increase the overall rigidity of the structure
Active Publication Date: 2014-08-13
TIANJIN UNIV
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[0003] However, the environment of the foundation structure of offshore wind power generation is very complex. In addition to the vertical force of the structural weight of the wind turbine tower transmitted from the superstructure, the load also includes the horizontal force and bending moment transmitted from the wind load to the foundat
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[0026] In order to further understand the content, features and effects of the present invention, the following embodiments are given as examples, and detailed descriptions are as follows with accompanying drawings:
[0027] Such as figure 1 with figure 2 As shown, this embodiment discloses a basic structure system combining three cylindrical foundations, including three identical cylindrical foundations 1, three identical piles 2, three identical steel beams 3, and node connections Piece 4, six pile supports 5 and three identical tube supports 6.
[0028] The cylindrical foundation 1 is a cylindrical steel structure foundation with a closed top and an open bottom. The outer diameter is 15m, the wall thickness is 25mm, the top cover thickness is 50mm, and the cylinder height is 8m. The interior is divided into multiple compartments by installing subdivision plates. . The diameter of the cylindrical foundation 1 is usually 10-20m, and the height is usually 6-8m; the material can b...
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Abstract
The invention discloses a combined basic structural system of three cylinder type foundations with support. Connecting wires of the center points of the three cylinder type foundations form a triangle; a pile body is arranged at the top of each cylinder type foundation; a joint connecting piece is arranged above the central positions of the three cylinder type foundations, a profiled-steel beam is connected between the joint connecting piece and the top of each pile body, and each profiled-steel beam is inclined downwards from the end connected with the joint connecting piece to the end connected with the corresponding pile body; the roots of the pile bodies are mutually connected through support among the piles, and a support between cylinders is connected between the adjacent two cylinder type foundations. Through the profiled-steel beam and the pile bodies, larger bending moment transmitted by an upper structure is effectively converted into tensile force and pressure approximately at the cylinder type foundations so as to exert the maximum bearing capacity of the cylinder type foundations and save the materials; moreover, the complete technology of floating transportation, sinking and leveling can be realized in the construction, so that the construction period is short, and the construction cost of an offshore wind plant is reduced.
Description
technical field [0001] The invention relates to the field of basic structures of ports, oceans, water conservancy and bridge engineering, and in particular relates to a basic structure in which multiple tubes are combined to optimize the stress of the tube-shaped foundation. Background technique [0002] At present, in the field of marine engineering such as offshore wind power projects, the foundation structures usually have pile foundations, gravity foundations, jacket foundations, negative pressure foundations and floating platforms, etc. These foundation structures usually require large machines for transportation and installation , resulting in higher construction costs and longer construction periods. Compared with the traditional foundation structure, the cylindrical foundation is widely used in marine engineering due to its low cost, convenient construction, safe and reliable use, and recyclable reuse. [0003] However, the environment of the foundation structure of...
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Inventor 丁红岩熊康平张浦阳石建超
Owner TIANJIN UNIV
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