Novel construction process for EPS (expandable polystyrene) geotechnical block of onshore wind power plant

A construction technology and wind farm technology, applied in infrastructure engineering, construction, etc., can solve the problems of low worker efficiency, lagging operation technology, high construction cost, etc., and achieve the effect of simple and convenient construction, good economy, and reduced construction difficulty

Inactive Publication Date: 2020-04-10
SHANXI INSTALLATION GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the lagging and cumbersome operation technology, low worker efficiency, high construction cost and serious waste in the existing onshore wind turbine foundation construction process, the present invention proposes a new type of EPS geotechnical block construction technology for onshore wind farms

Method used

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  • Novel construction process for EPS (expandable polystyrene) geotechnical block of onshore wind power plant
  • Novel construction process for EPS (expandable polystyrene) geotechnical block of onshore wind power plant
  • Novel construction process for EPS (expandable polystyrene) geotechnical block of onshore wind power plant

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Embodiment Construction

[0035] Below in conjunction with embodiment and accompanying drawing, technical scheme of the present invention is described further:

[0036] A new type of EPS geotechnical block construction technology for onshore wind farms of the present invention, specifically:

[0037] The foundation pit is excavated, and the slope is carried out at a depth of 2.6-3m, and a slope top plane with a length of 2-3m is reserved; the bottom surface of the foundation pit is cleaned and a pin is installed in the center of the bottom surface of the foundation pit, and the EPS block 1 is placed. Sprinkle 10mm~15mm of C10~C25 fine stone concrete around the bottom surface of EPS block 1; pour the cushion layer and maintain it, and wait for the cushion layer curing to ensure the integration of EPS block 1 and the cushion layer; use a new type of foundation cushion layer mold Carry out formwork support, place prefabricated support device 4 and level it after completion of formwork support, use C15 fin...

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Abstract

The invention discloses a novel construction process for an EPS (expandable polystyrene) geotechnical block of an onshore wind power plant. The process comprises the following steps of placing and fixing a pin in the center of the bottom surface of a foundation pit, then placing a cut EPS block in the center of the bottom surface of the foundation pit, and laying fine aggregate concrete around thebottom of the EPS block; pouring a cushion layer and maintaining the cushion layer; correspondingly carrying out different connection fitting mounting modes on a foundation ring and a pre-stressed anchor bolt type foundation due to different connection modes of the foundation and a tower cylinder; and laying a template, binding steel bars around the block, carrying out encryption, laying a pipeline, pouring concrete, carrying out maintenance, and filling soil for burying after the maintenance is completed. Compared with a traditional onshore fan construction process, the novel construction process for the EPS block has the advantages that the prefabrication, laying and welding work of an original foundation ring support is innovated, and a cushion layer construction mold and a construction mode are improved, so that the construction precision and efficiency are guaranteed.

Description

technical field [0001] The invention belongs to the field of new foundation installation engineering for onshore wind turbines, and relates to a construction technology of a new EPS geotechnical block for an onshore wind farm. Background technique [0002] The world's energy consumption and the greenhouse effect have attracted more and more attention from the world. Therefore, the energy industry has begun to develop in the direction of cleanliness and reuse, and wind power generation has emerged as the times require. By 2050, it is estimated that 12% of the world's electric energy will come from wind power generation. At present, the power generation capacity of the world's built wind power plants is 470GW, and 436.7GW of electricity comes from onshore wind farms, accounting for 97% of the total power generation. It can be seen that onshore wind power plays a leading role in wind power generation. Mainland China is vast and abundant, with abundant onshore wind energy resour...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D27/42E02D15/02
CPCE02D15/02E02D27/425
Inventor 耿鹏鹏梁波张佳利王建刚张占权张翔朱则昊国振朱从博
Owner SHANXI INSTALLATION GRP CO LTD
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