Offshore wind farm fan monopile foundation and its construction method
A single-pile foundation, wind farm technology, applied in the direction of basic structure engineering, construction, etc., can solve the problems of high cost, unfavorable promotion and use, etc.
Active Publication Date: 2017-09-22
SHANGHAI INVESTIGATION DESIGN & RES INST
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Problems solved by technology
However, the rock-socketing equipment used for full-section rock-socketing needs to be specially developed, and the equipment is highly specific and expensive, which is not conducive to popularization and use.
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[0029] The implementation of the present invention will be illustrated by specific specific examples below, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.
[0030] see Figure 1 to Figure 3 . It should be noted that the structures, proportions, sizes, etc. shown in the drawings attached to this specification are only used to match the content disclosed in the specification, for those who are familiar with this technology to understand and read, and are not used to limit the implementation of the present invention. Limiting conditions, so there is no technical substantive meaning, any modification of structure, change of proportional relationship or adjustment of size, without affecting the effect and purpose of the present invention, should still fall within the scope of the present invention. within the scope covered by the disclosed technical content. At the same ti...
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The invention provides an offshore wind plant fan single pile foundation. The offshore wind plant fan single pile foundation comprises steel pipe piles and cast-in-place piles; fan tower tubes are mounted on the top surfaces of the steel pipe piles; the steel pipe piles penetrate through a covering layer to be vertically supported to the top surface of underwater base rock; concrete connecting sections are arranged at the lower ends in the steel pipe piles; the lower ends of the several cast-in-place piles are fixedly embedded into the base rock, and the upper ends of the several cast-in-place piles are fixedly connected with the concrete connecting sections into a whole. The lower ends of the several cast-in-place piles are fixedly embedded into the base rock and the upper ends of the several cast-in-place piles are fixedly connected with the concrete connecting sections arranged at the lower ends in the steel pipe piles into a whole so that the single pile foundation can be built on a shallow covering layer foundation through existing equipment, and the offshore wind plant fan single pile foundation is advantageously applied and popularized and low in cost. The invention further provides a construction method for the offshore wind plant fan single pile foundation. The construction method is simple and low in construction cost and does not need special equipment.
Description
technical field [0001] The invention relates to a fan foundation of a wind farm, in particular to a single pile foundation of a fan of an offshore wind farm and a construction method thereof. Background technique [0002] As the renewable energy with the most exploitable value, wind energy has attracted worldwide attention. Offshore wind farms also have good prospects for development because of their advantages such as high wind speed, long effective power generation time, no land occupation, and close distance to load centers. my country has a vast territory, long coastline, and abundant offshore wind energy resources. [0003] Offshore wind turbines must be supported on the basis of offshore wind turbines; due to the complexity of the marine environment, the foundation cost of offshore wind turbines accounts for more than 20% of the cost of offshore wind farms. Early power generation to create benefits is an important issue in the development of offshore wind power. The...
Claims
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IPC IPC(8): E02D27/42E02D27/44E02D27/12
Inventor 乐治济
Owner SHANGHAI INVESTIGATION DESIGN & RES INST