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Reinforced structure and method of P and H type rock bolt fan foundation

A technology of wind turbine foundation and rock bolts, which is applied in basic structure engineering, construction, etc., can solve problems such as broken rock bolts, and achieve the effect of simple reinforcement structure

Pending Publication Date: 2019-11-19
SHAANXI BUILDING FOUND ENG CO +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, during the operation of the wind turbine, there was a serious quality problem that the rock bolt broke off, resulting in huge safety hazards and economic losses

Method used

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  • Reinforced structure and method of P and H type rock bolt fan foundation
  • Reinforced structure and method of P and H type rock bolt fan foundation
  • Reinforced structure and method of P and H type rock bolt fan foundation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0079] Such as Figure 1 to Figure 6 The P&H type rock bolt fan foundation reinforcement structure, the P&H rock bolt fan foundation includes a concrete bottom plate 8, a foundation cap 1 and a bottom tower 2 arranged sequentially from bottom to top, and the bottom The tower tube 2 and the foundation cap 1 are connected by prestressed anchor bolts 4, a plurality of rock bolts 5 are arranged inside the foundation cap 1, and a tower door 3 is arranged on the bottom tower tube 2, and the reinforcement structure includes The reinforcement cage 13 arranged outside the foundation cap 1 and the bottom tower tube 2 and the concrete poured together with the reinforcement cage 13 form a cantilever slab 11 for reinforcing the foundation, the bottom tower tube 2 and the poured concrete Concrete forms the pier 12 of the reinforced foundation;

[0080] The top surface of the foundation cap 1 is sequentially laid out with multiple circles of upper ribs from the circumferential side near the...

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Abstract

The invention discloses a reinforced structure and method of P and H type rock bolt fan foundation. The structure includes a reinforcement cage arranged outside a foundation platform and a bottom tower tube and concrete integrated with the reinforcement cage in a pouring mode, the foundation platform and the poured concrete form a cantilever plate of the reinforcement foundation, and the bottom tower tube and the poured concrete form a column pier of the reinforcement foundation; the method comprises the following steps of one, installation of a planting bar; two, welding of welding nails; three, binding of a reinforcement cage; four, installation of a circumferential prestressed steel strand; and five, pouring of the concrete. According to the reinforced structure and method, the design is reasonable, reinforcement of the P and H type rock bolt fan foundation is realized, stress of the P and H type rock bolt fan foundation is stable, bearing capacity requirements are met, the reinforcement effect is excellent, and the practicability is high.

Description

technical field [0001] The invention belongs to the technical field of fan foundation reinforcement construction, and in particular relates to a P&H rock bolt fan foundation reinforcement structure and method. Background technique [0002] With the increase of population, energy and environment have become the two main problems that people are facing. On the one hand, the continuous consumption of traditional fossil fuels prompts people to seek new energy as an alternative; on the other hand, traditional fossil fuels will lead to increased air pollution and carbon dioxide levels, causing the greenhouse effect. Wind power has the characteristics of clean and pollution-free, large unit capacity, good economic and social benefits, and is currently one of the most promising new energy sources. When the wind turbine is running, the alternating loads such as aerodynamic force, inertial force and elastic force acting on the blades are transmitted to the fan foundation through the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D27/42E02D27/50
CPCE02D27/425E02D27/50
Inventor 陈俊岭毛常安
Owner SHAANXI BUILDING FOUND ENG CO
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