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Application of Pumping Concrete Construction Method in Transmission Lines in Mountainous Areas

A technology for pumping concrete and power transmission lines, which is applied in infrastructure engineering, construction, etc., and can solve the problems of uninterrupted mixing by the self-mixing method, loss of outgoing concrete collapse, and large amount of concrete construction, so as to achieve high construction efficiency, The effect of simple construction organization and wide operation scope

Active Publication Date: 2016-01-13
STATE GRID CORP OF CHINA +2
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AI Technical Summary

Problems solved by technology

[0002] In mountainous power transmission lines, the towers are located in hilly and mountainous areas. During the basic engineering, due to the difficulty in transportation of raw materials and the compact stacking site of tower materials, the manual self-mixing method is usually used to provide concrete. However, this method requires more labor force, and the construction efficiency is low; in addition, the self-mixing method cannot continuously mix, and the provided concrete is easy to segregate, resulting in the loss of outgoing concrete collapse and low project quality; moreover, in the transmission lines in mountainous areas, due to the complex terrain, resulting in safe operation It is difficult to guarantee and there are potential safety hazards; finally, due to the large amount of concrete construction and the large height difference of the base surface in the foundation engineering, the efficiency of foundation engineering construction is low, the cost is high, and time-consuming and laborious

Method used

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  • Application of Pumping Concrete Construction Method in Transmission Lines in Mountainous Areas
  • Application of Pumping Concrete Construction Method in Transmission Lines in Mountainous Areas

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Embodiment Construction

[0024] Best practice:

[0025] The application of the pumping concrete construction method of the present invention in the transmission lines in mountainous areas, in the implementation process, takes the steps of the content of the invention as the main line, and provides a specific construction scheme as follows.

[0026] 1. Construction preparations

[0027] 1. Selection of mechanical equipment:

[0028] ①The pumping device adopts hydraulic piston concrete delivery pump, and the concrete delivery pressure is 21MPa.

[0029] ②Conveying pipelines are generally made of steel pipes, with diameters of 100mm, 125mm, 150mm, etc., standard pipe length is 3m, supporting pipes are 1m, 2m, and 90°, 45°, 30°, 15°, etc. Bends at different angles. The diameter selection of the conveying pipe is mainly determined by the maximum particle size of the concrete aggregate, conveying distance, conveying height and other engineering conditions. The maximum particle size of the concrete desig...

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Abstract

The present invention relates to a foundation engineering concrete construction technology in power transmission lines in mountainous areas, in particular to the application of a pumping concrete construction method in power transmission lines in mountainous areas, which utilizes the pressure of a concrete pump to transport concrete mixture through pipelines to pouring construction point, and complete the horizontal transportation and vertical transportation of the concrete mixture at one time. Compared with the traditional self-mixing method for road foundation construction in mountainous areas, the application of the concrete pumping construction method of the present invention is very innovative, not only speeding up the construction progress and reducing construction costs, but also saving labor, reducing labor intensity, Improving the construction quality can obtain obvious technical and economic benefits in certain occasions, especially in the case of large-volume continuous pouring concrete projects, the superiority and economical efficiency of the concrete pumping construction method can be fully utilized.

Description

technical field [0001] The invention relates to a foundation engineering concrete construction technology in a mountainous area power transmission line, in particular to the application of a pumping concrete construction method in a mountainous area power transmission line. Background technique [0002] In mountainous power transmission lines, the towers are located in hilly and mountainous areas. During the basic engineering, due to the difficulty in transportation of raw materials and the compact stacking site of tower materials, the manual self-mixing method is usually used to provide concrete. However, this method requires more labor force, and the construction efficiency is low; in addition, the self-mixing method cannot continuously mix, and the provided concrete is easy to segregate, resulting in the loss of outgoing concrete collapse and low project quality; moreover, in the transmission lines in mountainous areas, due to the complex terrain, resulting in safe operati...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D15/02
Inventor 黄海锋唐光张加义林剑华蔡峰经陈枝镜吴飞
Owner STATE GRID CORP OF CHINA
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