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Electric transmission line narrow-base steel tube tower plate type prestress pressure-bearing type anchor rod structure

A transmission line, prestressing technology, applied in the direction of foundation structure engineering, sheet pile walls, buildings, etc., can solve the problems that ordinary foundation forms are difficult to meet the structural and economical requirements, the foundation force increases, etc., to achieve structural Simple, improved anchoring force, small size effect

Pending Publication Date: 2021-05-14
LANGFANG POWER SUPPLY COMPANY STATE GRID JIBEI ELECTRIC POWER COMPANY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, compared with the ordinary iron tower foundation, the narrow base steel pipe tower reduces the root opening size of the foundation, resulting in an increase in the foundation force, and the ordinary foundation form is difficult to meet the structural and economical requirements

Method used

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  • Electric transmission line narrow-base steel tube tower plate type prestress pressure-bearing type anchor rod structure
  • Electric transmission line narrow-base steel tube tower plate type prestress pressure-bearing type anchor rod structure

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Embodiment Construction

[0012] In order to enable those skilled in the art to better understand the technical solution of the present invention, the application will be described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory, and should not have any limiting effect on the protection scope of the application. .

[0013] Such as figure 1 Shown is a schematic diagram of the first embodiment of the present application, including a pressure-bearing base 1, an anchor rod 2 and a bladder 3, one end of the anchor rod 2 is anchored on the pressure-bearing base 1, and the anchor rod 2 The other end of the anchor rod 2 is connected to the bladder 3; the anchor rod 2 is set as a hollow structure, the hollow structure communicates with the bladder 3, and the waterproof grouting material is injected into the bladder 3 through the hollow structure.

[0014] In this embodiment, multiple anchor rods 2 are provided, and the number of blad...

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Abstract

The invention provides an electric transmission line narrow-base steel tube tower plate type prestress pressure-bearing type anchor rod structure. The electric transmission line narrow-base steel tube tower plate type prestress pressure-bearing type anchor rod structure comprises a pressure-bearing base, an anchor rod and a bag, one end of the anchor rod is anchored on the pressure-bearing base, and the other end of the anchor rod is connected with the bag; and the anchor rod is of a hollow structure, the hollow structure communicates with the interior of the bag, and a waterproof grouting material is injected into the bag through the hollow structure. The electric transmission line narrow-base steel tube tower plate type prestress pressure-bearing type anchor rod structure has the beneficial effects that the end pressure of the expanded bag is used for changing the active soil pressure of the soil body around the bag into the passive soil pressure, the compactness of the surrounding soil body and the cohesive force and friction force bearing of the anchoring section and the surrounding soil body are changed, the anchoring force of the lower section of the anchor rod structure is improved, and therefore, under the basic principle of meeting the acting force requirement of the iron tower foundation, the requirements of the narrow-base steel tube tower of the power transmission line on path width and economical efficiency are met.

Description

technical field [0001] The present disclosure relates to the technical field of anchor rods, in particular to a narrow-base steel pipe tower plate prestressed pressure-bearing anchor rod structure for transmission lines. Background technique [0002] With the continuous development of the national economy and the rapid expansion of the city scale, the demand for electricity is also growing rapidly. Large-capacity transmission projects have emerged one after another. The number of high-voltage transmission lines in urban areas is also increasing, and the corridors of high-voltage lines are becoming more and more tense. At present, urban transmission lines generally adopt two methods: steel pipe pole lines and cables. Due to the high cost of the cable body, the difficulty in construction, installation, transportation and maintenance, especially in the restricted area of ​​the underground pipe gallery, the use of cables still has great limitations. The cost of steel pipe poles...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D27/42E02D5/74E02D5/80
CPCE02D27/42E02D5/74E02D5/80
Inventor 周维康李世冲洪立玮陈晓晗张瑞雪王玮马福军
Owner LANGFANG POWER SUPPLY COMPANY STATE GRID JIBEI ELECTRIC POWER COMPANY
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