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Omni-directional prestress antifatigue combined steel structure wind tower and construction method thereof

A steel structure and prestressing technology, applied in wind power generation, installation/support of wind turbine configuration, etc., can solve the problems of increased consumption of structural materials and low allowable stress amplitude of fatigue, so as to eliminate fatigue problems, facilitate construction and save money material effect

Inactive Publication Date: 2017-05-24
JIANGSU JINHAI NEW ENERGY TECH +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the fatigue problem in the wind power tower structure, for the welded structure, the fatigue allowable stress range is low. If the fatigue allowable stress range is satisfied, the consumption of structural materials will inevitably increase

Method used

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  • Omni-directional prestress antifatigue combined steel structure wind tower and construction method thereof
  • Omni-directional prestress antifatigue combined steel structure wind tower and construction method thereof
  • Omni-directional prestress antifatigue combined steel structure wind tower and construction method thereof

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Experimental program
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Embodiment Construction

[0022] The present invention will be further described below in conjunction with accompanying drawing:

[0023] Such as Figure 1-Figure 3 As shown, an omnidirectional prestressed anti-fatigue composite steel structure wind tower is composed of a lattice tower, a concrete transition section 6 and a steel structure tower tube 7 .

[0024] In this embodiment, the lattice tower includes a foundation 9, a tower column 1, a stud 10, a steel strand 2, a diagonal bar 3, a cross bar 4 and a diaphragm 5, and the steel strand 2 is connected from the The inner bottom of the tower column 1 penetrates to the inner top of the tower column 1, and the stud 10 is welded at the end of the tower column 1, and the stud 10 is used to strengthen the transition section between the tower column 1 and the concrete 6, the bottom of the tower column 1 is also provided with a cable, and the bottom of the tower column 1 is jointly anchored to the bottom of the tower column 1 with the lower end of the cab...

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Abstract

The invention discloses an omni-directional prestress antifatigue combined steel structure wind tower. The omni-directional prestress antifatigue combined steel structure wind tower is composed of a lattice type tower frame, a concrete transition segment and a steel structure tower cylinder. The omni-directional prestress antifatigue combined steel structure wind tower has the beneficial effects that all rod parts of the omni-directional prestress antifatigue combined steel structure wind tower bear pressure under the work loads, the fatigue problem (possible tension under the ultimate load) is solved, and the advantages of being convenient to construct, reasonable and feasible in structural stress and capable of saving materials are achieved.

Description

technical field [0001] The invention relates to the field of wind power generation tower structure design, in particular to an omnidirectional prestressed anti-fatigue combined steel structure wind tower and a construction method thereof. Background technique [0002] With the increase of wind power generation projects, some wind farms with better wind resources have been developed. In order to make better use of wind resources at higher places, wind power generation towers must be developed towards taller towers. Theoretical studies have proved that when the height of the wind power tower exceeds 100 meters, the superiority of the framed tower is highlighted, and the structural cost can be greatly saved. However, due to fatigue problems in the structure of wind power generation towers, for welded structures, the fatigue allowable stress range is low. If the fatigue allowable stress range is satisfied, the consumption of structural materials will inevitably increase. Theref...

Claims

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Application Information

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IPC IPC(8): F03D13/20
CPCY02E10/72Y02E10/728
Inventor 马逸鹄孙永良黄冬平何桂荣吕兆华梁峰周露刘慧群阳荣昌
Owner JIANGSU JINHAI NEW ENERGY TECH
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