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Offshore fan pile foundation design method and application thereof

A technology for offshore wind turbines and design methods, applied in infrastructure engineering, construction, etc., can solve problems such as the lack of design methods for offshore wind turbines, and achieve the effects of saving manpower and material resources, reasonable design, and simple and easy design methods

Active Publication Date: 2013-02-13
GUODIAN UNITED POWER TECH
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Problems solved by technology

[0005] Since offshore wind turbines have just started in my country, there is no systematic design method for offshore wind turbine foundations.

Method used

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  • Offshore fan pile foundation design method and application thereof
  • Offshore fan pile foundation design method and application thereof
  • Offshore fan pile foundation design method and application thereof

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Embodiment Construction

[0034] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0035] The offshore wind turbine pile foundation design method of the present invention is in accordance with the offshore wind turbine foundation design specification: Design of Offshore Wind Turbine Structures, DNV-OS-J101, 2011; Design Requirements for Offshore Wind Turbines, IEC 61400-3, 2009 and offshore fixed Platform design specification: Recommended practice for planning, designing and constructing fixed offshore platforms__load and resistance factor design, 1993; Recommended practice for planning, designing and constructing fixed offshore platforms__working stress design, 2007, design calculation analysis based on marine engineering design analysis software SACS, The...

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Abstract

The invention discloses an offshore fan pile foundation design method and application thereof. According to the offshore fan foundation design specifications and the offshore fixed platform design specifications, design calculation analysis is carried out based on ocean engineering design analysis software structural analysis computer system (SACS). The design calculation analysis comprises a fundamental analysis, a modal analysis, a seismic analysis, an ice load analysis, a hoisting analysis, a transportation analysis and an installation analysis. Through the method, actual environmental conditions of offshore fans are totally considered in the method, the analyses are accurate, results are reliable and design efficiency is high. Meanwhile, all aspects of foundation design, hoisting, transportation and installation of the offshore fans are considered in the design method. Therefore, the offshore fan pile foundation design method has the advantages of systematicness and comprehensiveness, and can be applied to intertidal belt fan pile foundation design.

Description

Technical field [0001] The invention relates to the technical field of pile foundation design for intertidal zone and offshore wind turbines, in particular to a design method for offshore wind turbine pile foundations, which can also be applied to the design of intertidal zone wind turbine pile foundations. Background technique [0002] Abundant offshore wind resources. Generally, the offshore wind speed of 10km offshore is 25% higher than that on the coastal land, and the wind resources in the deep sea area are more abundant than in the offshore area. According to statistics, the offshore wind resources in the waters of the United States at a depth of 60-900m have reached 1533GW, while the offshore waters of 0-30m are only 430GW. According to the research conducted by the Energy Research Institute of the National Development and Reform Commission and other institutions, the wind energy resources in the coastal waters of China within 10m, 20m and 30m are about 1×10. 8 kW, 3×10 8...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D27/42E02D27/52E02D27/12
Inventor 贾法勇吴永祥李明辉代海涛
Owner GUODIAN UNITED POWER TECH
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